| Area | Census 2000 | 7/1/2008 | Absolute Change | Relative Change |
| Illinois | 12,419,293 | 12,901,563 | 482,270 | 3.88% |
|---|---|---|---|---|
| Abingdon city | 3,612 | 3,269 | -343 | -9.50% |
| Addieville village | 267 | 252 | -15 | -5.62% |
| Addison village | 35,914 | 36,917 | 1,003 | 2.79% |
| Adeline village | 139 | 141 | 2 | 1.44% |
| Albany village | 895 | 913 | 18 | 2.01% |
| Albers village | 878 | 1,085 | 207 | 23.58% |
| Albion city | 1,933 | 1,814 | -119 | -6.16% |
| Aledo city | 3,613 | 3,565 | -48 | -1.33% |
| Alexis village | 863 | 797 | -66 | -7.65% |
| Algonquin village | 23,276 | 30,352 | 7,076 | 30.40% |
| Alhambra village | 630 | 642 | 12 | 1.90% |
| Allendale village | 528 | 482 | -46 | -8.71% |
| Allenville village | 154 | 146 | -8 | -5.19% |
| Allerton village | 293 | 275 | -18 | -6.14% |
| Alma village | 386 | 370 | -16 | -4.15% |
| Alorton village | 2,749 | 2,526 | -223 | -8.11% |
| Alpha village | 726 | 683 | -43 | -5.92% |
| Alsey village | 246 | 227 | -19 | -7.72% |
| Alsip village | 19,725 | 18,692 | -1,033 | -5.24% |
| Altamont city | 2,283 | 2,254 | -29 | -1.27% |
| Alto Pass village | 388 | 382 | -6 | -1.55% |
| Alton city | 30,496 | 29,393 | -1,103 | -3.62% |
| Altona village | 570 | 525 | -45 | -7.89% |
| Amboy city | 2,561 | 2,574 | 13 | 0.51% |
| Anchor village | 175 | 171 | -4 | -2.29% |
| Andalusia village | 1,050 | 1,067 | 17 | 1.62% |
| Andover village | 594 | 566 | -28 | -4.71% |
| Anna city | 5,136 | 5,025 | -111 | -2.16% |
| Annawan town | 868 | 904 | 36 | 4.15% |
| Antioch village | 8,788 | 13,892 | 5,104 | 58.08% |
| Apple River village | 379 | 359 | -20 | -5.28% |
| Arcola city | 2,652 | 2,783 | 131 | 4.94% |
| Arenzville village | 419 | 401 | -18 | -4.30% |
| Argenta village | 921 | 824 | -97 | -10.53% |
| Arlington Heights village | 76,031 | 73,399 | -2,632 | -3.46% |
| Arlington village | 211 | 203 | -8 | -3.79% |
| Armington village | 368 | 349 | -19 | -5.16% |
| Aroma Park village | 821 | 1,035 | 214 | 26.07% |
| Arrowsmith village | 298 | 288 | -10 | -3.36% |
| Arthur village | 2,203 | 2,129 | -74 | -3.36% |
| Ashkum village | 724 | 693 | -31 | -4.28% |
| Ashland village | 1,361 | 1,321 | -40 | -2.94% |
| Ashley city | 613 | 573 | -40 | -6.53% |
| Ashmore village | 809 | 755 | -54 | -6.67% |
| Ashton village | 1,142 | 1,166 | 24 | 2.10% |
| Assumption city | 1,261 | 1,196 | -65 | -5.15% |
| Astoria village | 1,193 | 1,124 | -69 | -5.78% |
| Athens city | 1,726 | 1,780 | 54 | 3.13% |
| Atkinson town | 1,001 | 955 | -46 | -4.60% |
| Atlanta city | 1,649 | 1,633 | -16 | -0.97% |
| Atwood village | 1,290 | 1,226 | -64 | -4.96% |
| Auburn city | 4,317 | 4,362 | 45 | 1.04% |
| Augusta village | 657 | 607 | -50 | -7.61% |
| Aurora city | 142,990 | 171,782 | 28,792 | 20.14% |
| Ava city | 662 | 642 | -20 | -3.02% |
| Aviston village | 1,231 | 1,723 | 492 | 39.97% |
| Avon village | 915 | 849 | -66 | -7.21% |
| Baldwin village | 3,627 | 404 | -3,223 | -88.86% |
| Banner village | 149 | 142 | -7 | -4.70% |
| Bannockburn village | 1,429 | 1,879 | 450 | 31.49% |
| Bardolph village | 253 | 229 | -24 | -9.49% |
| Barrington Hills village | 3,915 | 4,354 | 439 | 11.21% |
| Barrington village | 10,168 | 10,374 | 206 | 2.03% |
| Barry city | 1,368 | 1,290 | -78 | -5.70% |
| Bartelso village | 593 | 583 | -10 | -1.69% |
| Bartlett village | 36,706 | 42,209 | 5,503 | 14.99% |
| Bartonville village | 6,310 | 6,160 | -150 | -2.38% |
| Basco village | 107 | 98 | -9 | -8.41% |
| Batavia city | 23,866 | 27,502 | 3,636 | 15.24% |
| Batchtown village | 218 | 212 | -6 | -2.75% |
| Bath village | 310 | 293 | -17 | -5.48% |
| Bay View Gardens village | 366 | 356 | -10 | -2.73% |
| Baylis village | 265 | 244 | -21 | -7.92% |
| Beach Park village | 10,072 | 13,119 | 3,047 | 30.25% |
| Beardstown city | 5,766 | 5,859 | 93 | 1.61% |
| Beaverville village | 391 | 379 | -12 | -3.07% |
| Beckemeyer village | 1,043 | 1,087 | 44 | 4.22% |
| Bedford Park village | 574 | 533 | -41 | -7.14% |
| Beecher City village | 493 | 487 | -6 | -1.22% |
| Beecher village | 2,033 | 3,029 | 996 | 48.99% |
| Belgium village | 466 | 461 | -5 | -1.07% |
| Belknap village | 133 | 138 | 5 | 3.76% |
| Belle Prairie City town | 60 | 58 | -2 | -3.33% |
| Belle Rive village | 371 | 372 | 1 | 0.27% |
| Belleville city | 41,410 | 41,097 | -313 | -0.76% |
| Bellevue village | 1,887 | 1,783 | -104 | -5.51% |
| Bellflower village | 408 | 387 | -21 | -5.15% |
| Bellmont village | 297 | 280 | -17 | -5.72% |
| Bellwood village | 20,535 | 18,973 | -1,562 | -7.61% |
| Belvidere city | 20,820 | 26,461 | 5,641 | 27.09% |
| Bement village | 1,784 | 1,698 | -86 | -4.82% |
| Benld city | 1,541 | 1,463 | -78 | -5.06% |
| Bensenville village | 20,703 | 20,138 | -565 | -2.73% |
| Benson village | 408 | 407 | -1 | -0.25% |
| Bentley town | 43 | 40 | -3 | -6.98% |
| Benton city | 6,880 | 6,957 | 77 | 1.12% |
| Berkeley village | 5,245 | 4,913 | -332 | -6.33% |
| Berlin village | 140 | 143 | 3 | 2.14% |
| Berwyn city | 54,016 | 49,919 | -4,097 | -7.58% |
| Bethalto village | 9,454 | 9,933 | 479 | 5.07% |
| Bethany village | 1,287 | 1,226 | -61 | -4.74% |
| Biggsville village | 343 | 307 | -36 | -10.50% |
| Bingham village | 117 | 116 | -1 | -0.85% |
| Birds village | 51 | 49 | -2 | -3.92% |
| Bishop Hill village | 125 | 116 | -9 | -7.20% |
| Bismarck village | 542 | 554 | 12 | 2.21% |
| Blandinsville village | 777 | 694 | -83 | -10.68% |
| Bloomingdale village | 21,675 | 21,848 | 173 | 0.80% |
| Bloomington city | 64,808 | 73,026 | 8,218 | 12.68% |
| Blue Island city | 23,463 | 22,325 | -1,138 | -4.85% |
| Blue Mound village | 1,129 | 1,020 | -109 | -9.65% |
| Bluffs village | 748 | 701 | -47 | -6.28% |
| Bluford village | 785 | 762 | -23 | -2.93% |
| Bolingbrook village | 56,321 | 70,823 | 14,502 | 25.75% |
| Bondville village | 455 | 438 | -17 | -3.74% |
| Bone Gap village | 272 | 254 | -18 | -6.62% |
| Bonfield village | 364 | 379 | 15 | 4.12% |
| Bonnie village | 424 | 419 | -5 | -1.18% |
| Bourbonnais village | 15,256 | 19,024 | 3,768 | 24.70% |
| Bowen village | 535 | 493 | -42 | -7.85% |
| Braceville village | 792 | 832 | 40 | 5.05% |
| Bradford village | 787 | 758 | -29 | -3.68% |
| Bradley village | 12,784 | 14,964 | 2,180 | 17.05% |
| Braidwood city | 5,203 | 6,664 | 1,461 | 28.08% |
| Breese city | 4,048 | 4,357 | 309 | 7.63% |
| Bridgeport city | 2,168 | 2,085 | -83 | -3.83% |
| Bridgeview village | 15,335 | 14,991 | -344 | -2.24% |
| Brighton village | 2,196 | 2,376 | 180 | 8.20% |
| Brimfield village | 933 | 902 | -31 | -3.32% |
| Broadlands village | 312 | 305 | -7 | -2.24% |
| Broadview village | 8,264 | 7,625 | -639 | -7.73% |
| Broadwell village | 169 | 167 | -2 | -1.18% |
| Brocton village | 322 | 295 | -27 | -8.39% |
| Brookfield village | 19,085 | 18,077 | -1,008 | -5.28% |
| Brooklyn village | 676 | 620 | -56 | -8.28% |
| Brookport city | 1,054 | 1,027 | -27 | -2.56% |
| Broughton village | 193 | 189 | -4 | -2.07% |
| Browning village | 130 | 124 | -6 | -4.62% |
| Browns village | 175 | 163 | -12 | -6.86% |
| Brownstown village | 705 | 706 | 1 | 0.14% |
| Brussels village | 141 | 142 | 1 | 0.71% |
| Bryant village | 255 | 242 | -13 | -5.10% |
| Buckingham village | 237 | 241 | 4 | 1.69% |
| Buckley village | 593 | 564 | -29 | -4.89% |
| Buckner village | 479 | 488 | 9 | 1.88% |
| Buda village | 592 | 567 | -25 | -4.22% |
| Buffalo Grove village | 42,909 | 42,972 | 63 | 0.15% |
| Buffalo village | 491 | 451 | -40 | -8.15% |
| Bull Valley village | 726 | 841 | 115 | 15.84% |
| Bulpitt village | 206 | 193 | -13 | -6.31% |
| Buncombe village | 186 | 193 | 7 | 3.76% |
| Bunker Hill city | 1,801 | 1,741 | -60 | -3.33% |
| Burbank city | 27,902 | 27,567 | -335 | -1.20% |
| Bureau Junction village | 368 | 353 | -15 | -4.08% |
| Burlington village | 452 | 482 | 30 | 6.64% |
| Burnham village | 4,170 | 3,973 | -197 | -4.72% |
| Burnt Prairie village | 58 | 55 | -3 | -5.17% |
| Burr Ridge village | 10,408 | 11,398 | 990 | 9.51% |
| Bush village | 257 | 261 | 4 | 1.56% |
| Bushnell city | 3,221 | 2,921 | -300 | -9.31% |
| Butler village | 197 | 190 | -7 | -3.55% |
| Byron city | 2,917 | 3,850 | 933 | 31.98% |
| Cabery village | 263 | 260 | -3 | -1.14% |
| Cahokia village | 16,391 | 15,103 | -1,288 | -7.86% |
| Cairo city | 3,632 | 3,105 | -527 | -14.51% |
| Caledonia village | 199 | 226 | 27 | 13.57% |
| Calhoun village | 222 | 211 | -11 | -4.95% |
| Calumet City city | 39,071 | 36,800 | -2,271 | -5.81% |
| Calumet Park village | 8,516 | 7,980 | -536 | -6.29% |
| Camargo village | 469 | 511 | 42 | 8.96% |
| Cambria village | 1,330 | 1,336 | 6 | 0.45% |
| Cambridge village | 2,180 | 2,093 | -87 | -3.99% |
| Camden village | 97 | 93 | -4 | -4.12% |
| Camp Point village | 1,244 | 1,193 | -51 | -4.10% |
| Campbell Hill village | 333 | 308 | -25 | -7.51% |
| Campus village | 145 | 140 | -5 | -3.45% |
| Canton city | 15,288 | 14,545 | -743 | -4.86% |
| Cantrall village | 139 | 133 | -6 | -4.32% |
| Capron village | 961 | 1,547 | 586 | 60.98% |
| Carbon Cliff village | 1,689 | 1,657 | -32 | -1.89% |
| Carbon Hill village | 392 | 419 | 27 | 6.89% |
| Carbondale city | 20,681 | 26,231 | 5,550 | 26.84% |
| Carlinville city | 5,685 | 5,962 | 277 | 4.87% |
| Carlock village | 456 | 478 | 22 | 4.82% |
| Carlyle city | 3,406 | 3,378 | -28 | -0.82% |
| Carmi city | 5,422 | 5,203 | -219 | -4.04% |
| Carol Stream village | 40,438 | 40,004 | -434 | -1.07% |
| Carpentersville village | 30,586 | 37,741 | 7,155 | 23.39% |
| Carrier Mills village | 1,886 | 1,832 | -54 | -2.86% |
| Carrollton city | 2,605 | 2,460 | -145 | -5.57% |
| Carterville city | 4,616 | 5,441 | 825 | 17.87% |
| Carthage city | 2,725 | 2,504 | -221 | -8.11% |
| Cary village | 15,531 | 19,559 | 4,028 | 25.94% |
| Casey city | 2,942 | 2,914 | -28 | -0.95% |
| Caseyville village | 4,310 | 4,280 | -30 | -0.70% |
| Catlin village | 2,087 | 2,110 | 23 | 1.10% |
| Cave-In-Rock village | 346 | 307 | -39 | -11.27% |
| Cedar Point village | 262 | 261 | -1 | -0.38% |
| Cedarville village | 719 | 683 | -36 | -5.01% |
| Central City village | 1,371 | 1,313 | -58 | -4.23% |
| Centralia city | 14,136 | 13,569 | -567 | -4.01% |
| Centreville city | 5,951 | 5,635 | -316 | -5.31% |
| Cerro Gordo village | 1,436 | 1,343 | -93 | -6.48% |
| Chadwick village | 505 | 471 | -34 | -6.73% |
| Champaign city | 67,518 | 79,389 | 11,871 | 17.58% |
| Chandlerville village | 704 | 693 | -11 | -1.56% |
| Channahon village | 7,344 | 14,030 | 6,686 | 91.04% |
| Chapin village | 592 | 568 | -24 | -4.05% |
| Charleston city | 21,039 | 21,715 | 676 | 3.21% |
| Chatham village | 8,583 | 10,676 | 2,093 | 24.39% |
| Chatsworth town | 1,265 | 1,179 | -86 | -6.80% |
| Chebanse village | 1,148 | 1,097 | -51 | -4.44% |
| Chenoa city | 1,845 | 1,832 | -13 | -0.70% |
| Cherry Valley village | 2,191 | 2,267 | 76 | 3.47% |
| Cherry village | 509 | 488 | -21 | -4.13% |
| Chester city | 5,185 | 7,835 | 2,650 | 51.11% |
| Chesterfield village | 223 | 215 | -8 | -3.59% |
| Chicago city | 2,896,016 | 2,853,114 | -42,902 | -1.48% |
| Chicago Heights city | 32,776 | 30,586 | -2,190 | -6.68% |
| Chicago Ridge village | 14,127 | 13,366 | -761 | -5.39% |
| Chillicothe city | 5,996 | 5,901 | -95 | -1.58% |
| Chrisman city | 1,318 | 1,232 | -86 | -6.53% |
| Christopher city | 2,836 | 2,819 | -17 | -0.60% |
| Cicero town | 85,616 | 80,414 | -5,202 | -6.08% |
| Cisco village | 264 | 274 | 10 | 3.79% |
| Cisne village | 673 | 649 | -24 | -3.57% |
| Cissna Park village | 811 | 788 | -23 | -2.84% |
| Claremont village | 212 | 201 | -11 | -5.19% |
| Clarendon Hills village | 7,610 | 8,582 | 972 | 12.77% |
| Clay City village | 1,000 | 939 | -61 | -6.10% |
| Clayton village | 904 | 829 | -75 | -8.30% |
| Clear Lake village | 267 | 247 | -20 | -7.49% |
| Cleveland village | 253 | 239 | -14 | -5.53% |
| Clifton village | 1,317 | 1,257 | -60 | -4.56% |
| Clinton city | 7,485 | 7,154 | -331 | -4.42% |
| Coal City village | 4,797 | 5,729 | 932 | 19.43% |
| Coal Valley village | 3,606 | 4,001 | 395 | 10.95% |
| Coalton village | 307 | 297 | -10 | -3.26% |
| Coatsburg village | 226 | 222 | -4 | -1.77% |
| Cobden village | 1,116 | 1,098 | -18 | -1.61% |
| Coffeen city | 709 | 687 | -22 | -3.10% |
| Colchester city | 1,493 | 1,355 | -138 | -9.24% |
| Coleta village | 155 | 151 | -4 | -2.58% |
| Colfax village | 989 | 1,001 | 12 | 1.21% |
| Collinsville city | 24,707 | 25,960 | 1,253 | 5.07% |
| Colona city | 5,173 | 5,232 | 59 | 1.14% |
| Colp village | 224 | 227 | 3 | 1.34% |
| Columbia city | 7,922 | 9,342 | 1,420 | 17.92% |
| Columbus village | 112 | 110 | -2 | -1.79% |
| Compton village | 347 | 333 | -14 | -4.03% |
| Concord village | 176 | 169 | -7 | -3.98% |
| Congerville village | 466 | 500 | 34 | 7.30% |
| Cooksville village | 213 | 204 | -9 | -4.23% |
| Cordova village | 633 | 682 | 49 | 7.74% |
| Cornell village | 511 | 488 | -23 | -4.50% |
| Cortland town | 2,066 | 4,164 | 2,098 | 101.55% |
| Coulterville village | 1,230 | 1,148 | -82 | -6.67% |
| Country Club Hills city | 16,169 | 16,723 | 554 | 3.43% |
| Countryside city | 5,991 | 5,795 | -196 | -3.27% |
| Cowden village | 612 | 568 | -44 | -7.19% |
| Crainville village | 992 | 1,353 | 361 | 36.39% |
| Creal Springs city | 702 | 713 | 11 | 1.57% |
| Crescent City village | 631 | 591 | -40 | -6.34% |
| Crest Hill city | 13,329 | 20,451 | 7,122 | 53.43% |
| Creston village | 543 | 623 | 80 | 14.73% |
| Crestwood village | 11,251 | 11,051 | -200 | -1.78% |
| Crete village | 7,346 | 9,041 | 1,695 | 23.07% |
| Creve Coeur village | 5,448 | 5,206 | -242 | -4.44% |
| Crossville village | 782 | 712 | -70 | -8.95% |
| Crystal Lake city | 38,000 | 41,797 | 3,797 | 9.99% |
| Cuba city | 1,418 | 1,333 | -85 | -5.99% |
| Cullom village | 563 | 521 | -42 | -7.46% |
| Cutler village | 543 | 528 | -15 | -2.76% |
| Cypress village | 271 | 281 | 10 | 3.69% |
| Dahlgren village | 514 | 496 | -18 | -3.50% |
| Dakota village | 499 | 471 | -28 | -5.61% |
| Dallas City city | 1,055 | 974 | -81 | -7.68% |
| Dalton City village | 581 | 546 | -35 | -6.02% |
| Dalzell village | 717 | 717 | 0 | 0.00% |
| Damiansville village | 368 | 408 | 40 | 10.87% |
| Dana village | 171 | 170 | -1 | -0.58% |
| Danforth village | 587 | 562 | -25 | -4.26% |
| Danvers village | 1,183 | 1,149 | -34 | -2.87% |
| Danville city | 33,904 | 32,248 | -1,656 | -4.88% |
| Darien city | 22,860 | 22,370 | -490 | -2.14% |
| Davis Junction village | 491 | 2,270 | 1,779 | 362.32% |
| Davis village | 662 | 625 | -37 | -5.59% |
| Dawson village | 466 | 462 | -4 | -0.86% |
| De Land village | 475 | 458 | -17 | -3.58% |
| De Pue village | 1,842 | 1,753 | -89 | -4.83% |
| De Soto village | 1,653 | 1,559 | -94 | -5.69% |
| De Witt village | 188 | 178 | -10 | -5.32% |
| Decatur city | 81,860 | 76,256 | -5,604 | -6.85% |
| Deer Creek village | 605 | 741 | 136 | 22.48% |
| Deer Grove village | 48 | 47 | -1 | -2.08% |
| Deer Park village | 3,102 | 3,349 | 247 | 7.96% |
| Deerfield village | 18,420 | 19,667 | 1,247 | 6.77% |
| DeKalb city | 39,018 | 45,497 | 6,479 | 16.61% |
| Delavan city | 1,825 | 1,755 | -70 | -3.84% |
| Des Plaines city | 58,720 | 57,062 | -1,658 | -2.82% |
| Detroit village | 93 | 86 | -7 | -7.53% |
| Diamond village | 1,393 | 2,388 | 995 | 71.43% |
| Dieterich village | 591 | 595 | 4 | 0.68% |
| Divernon village | 1,201 | 1,129 | -72 | -6.00% |
| Dix village | 494 | 498 | 4 | 0.81% |
| Dixmoor village | 3,934 | 3,794 | -140 | -3.56% |
| Dixon city | 15,941 | 15,033 | -908 | -5.70% |
| Dolton village | 25,614 | 23,889 | -1,725 | -6.73% |
| Dongola village | 806 | 791 | -15 | -1.86% |
| Donnellson village | 243 | 256 | 13 | 5.35% |
| Donovan village | 351 | 325 | -26 | -7.41% |
| Dorchester village | 142 | 166 | 24 | 16.90% |
| Dover village | 172 | 165 | -7 | -4.07% |
| Dowell village | 441 | 422 | -19 | -4.31% |
| Downers Grove village | 48,724 | 49,250 | 526 | 1.08% |
| Downs village | 776 | 761 | -15 | -1.93% |
| Du Bois village | 222 | 207 | -15 | -6.76% |
| Du Quoin city | 6,448 | 6,326 | -122 | -1.89% |
| Dunfermline village | 262 | 301 | 39 | 14.89% |
| Dunlap village | 926 | 934 | 8 | 0.86% |
| Dupo village | 3,933 | 4,073 | 140 | 3.56% |
| Durand village | 1,081 | 1,084 | 3 | 0.28% |
| Dwight village | 4,363 | 4,267 | -96 | -2.20% |
| Eagarville village | 128 | 124 | -4 | -3.12% |
| Earlville city | 1,778 | 1,822 | 44 | 2.47% |
| East Alton village | 6,830 | 6,563 | -267 | -3.91% |
| East Brooklyn village | 123 | 127 | 4 | 3.25% |
| East Cape Girardeau village | 437 | 371 | -66 | -15.10% |
| East Carondelet village | 267 | 577 | 310 | 116.10% |
| East Dubuque city | 1,995 | 1,921 | -74 | -3.71% |
| East Dundee village | 2,955 | 3,121 | 166 | 5.62% |
| East Galesburg village | 839 | 775 | -64 | -7.63% |
| East Gillespie village | 234 | 238 | 4 | 1.71% |
| East Hazel Crest village | 1,607 | 1,536 | -71 | -4.42% |
| East Moline city | 20,333 | 20,892 | 559 | 2.75% |
| East Peoria city | 22,638 | 22,760 | 122 | 0.54% |
| East St. Louis city | 31,542 | 28,773 | -2,769 | -8.78% |
| Easton village | 373 | 353 | -20 | -5.36% |
| Eddyville village | 153 | 141 | -12 | -7.84% |
| Edgewood village | 527 | 520 | -7 | -1.33% |
| Edinburg village | 1,135 | 1,108 | -27 | -2.38% |
| Edwardsville city | 21,491 | 24,557 | 3,066 | 14.27% |
| Effingham city | 12,384 | 12,489 | 105 | 0.85% |
| El Dara village | 89 | 82 | -7 | -7.87% |
| El Paso city | 2,695 | 2,802 | 107 | 3.97% |
| Elburn village | 2,756 | 5,276 | 2,520 | 91.44% |
| Eldorado city | 4,534 | 4,392 | -142 | -3.13% |
| Eldred village | 211 | 197 | -14 | -6.64% |
| Elgin city | 94,487 | 106,330 | 11,843 | 12.53% |
| Elizabeth village | 682 | 650 | -32 | -4.69% |
| Elizabethtown village | 348 | 308 | -40 | -11.49% |
| Elk Grove Village village | 34,727 | 33,320 | -1,407 | -4.05% |
| Elkhart village | 443 | 423 | -20 | -4.51% |
| Elkville village | 1,001 | 920 | -81 | -8.09% |
| Elliott village | 341 | 335 | -6 | -1.76% |
| Ellis Grove village | 381 | 360 | -21 | -5.51% |
| Ellisville village | 87 | 82 | -5 | -5.75% |
| Ellsworth village | 271 | 260 | -11 | -4.06% |
| Elmhurst city | 42,762 | 46,013 | 3,251 | 7.60% |
| Elmwood city | 1,945 | 1,871 | -74 | -3.80% |
| Elmwood Park village | 25,405 | 24,052 | -1,353 | -5.33% |
| Elsah village | 635 | 631 | -4 | -0.63% |
| Elvaston village | 152 | 140 | -12 | -7.89% |
| Elwood village | 1,620 | 2,341 | 721 | 44.51% |
| Emden village | 515 | 477 | -38 | -7.38% |
| Emington village | 120 | 110 | -10 | -8.33% |
| Energy village | 1,175 | 1,199 | 24 | 2.04% |
| Enfield village | 625 | 601 | -24 | -3.84% |
| Equality village | 721 | 668 | -53 | -7.35% |
| Erie village | 1,589 | 1,548 | -41 | -2.58% |
| Essex village | 554 | 705 | 151 | 27.26% |
| Eureka city | 4,871 | 5,368 | 497 | 10.20% |
| Evanston city | 74,239 | 77,693 | 3,454 | 4.65% |
| Evansville village | 724 | 676 | -48 | -6.63% |
| Evergreen Park village | 20,821 | 19,359 | -1,462 | -7.02% |
| Ewing village | 310 | 319 | 9 | 2.90% |
| Exeter village | 70 | 65 | -5 | -7.14% |
| Fairbury city | 3,968 | 3,783 | -185 | -4.66% |
| Fairfield city | 5,421 | 5,165 | -256 | -4.72% |
| Fairmont City village | 2,436 | 2,244 | -192 | -7.88% |
| Fairmount village | 640 | 626 | -14 | -2.19% |
| Fairview Heights city | 15,034 | 16,643 | 1,609 | 10.70% |
| Fairview village | 493 | 480 | -13 | -2.64% |
| Farina village | 558 | 552 | -6 | -1.08% |
| Farmer City city | 2,055 | 1,951 | -104 | -5.06% |
| Farmersville village | 768 | 747 | -21 | -2.73% |
| Farmington city | 2,601 | 2,433 | -168 | -6.46% |
| Fayetteville village | 384 | 371 | -13 | -3.39% |
| Ferris village | 168 | 155 | -13 | -7.74% |
| Fidelity village | 105 | 103 | -2 | -1.90% |
| Fieldon village | 271 | 267 | -4 | -1.48% |
| Fillmore village | 362 | 351 | -11 | -3.04% |
| Findlay village | 723 | 662 | -61 | -8.44% |
| Fisher village | 1,647 | 1,755 | 108 | 6.56% |
| Fithian village | 506 | 545 | 39 | 7.71% |
| Flanagan village | 1,083 | 1,024 | -59 | -5.45% |
| Flat Rock village | 415 | 399 | -16 | -3.86% |
| Flora city | 5,086 | 4,772 | -314 | -6.17% |
| Florence village | 71 | 66 | -5 | -7.04% |
| Flossmoor village | 9,301 | 9,309 | 8 | 0.09% |
| Foosland village | 90 | 85 | -5 | -5.56% |
| Ford Heights village | 3,456 | 3,202 | -254 | -7.35% |
| Forest City village | 287 | 267 | -20 | -6.97% |
| Forest Park village | 15,688 | 15,224 | -464 | -2.96% |
| Forest View village | 778 | 718 | -60 | -7.71% |
| Forrest village | 1,225 | 1,152 | -73 | -5.96% |
| Forreston village | 1,469 | 1,490 | 21 | 1.43% |
| Forsyth village | 2,434 | 3,002 | 568 | 23.34% |
| Fox Lake village | 9,178 | 11,087 | 1,909 | 20.80% |
| Fox River Grove village | 4,862 | 5,172 | 310 | 6.38% |
| Frankfort village | 10,391 | 17,981 | 7,590 | 73.04% |
| Franklin Grove village | 1,052 | 1,000 | -52 | -4.94% |
| Franklin Park village | 19,434 | 17,965 | -1,469 | -7.56% |
| Franklin village | 586 | 597 | 11 | 1.88% |
| Freeburg village | 3,872 | 4,481 | 609 | 15.73% |
| Freeman Spur village | 273 | 278 | 5 | 1.83% |
| Freeport city | 26,443 | 24,615 | -1,828 | -6.91% |
| Fulton city | 3,881 | 3,832 | -49 | -1.26% |
| Fults village | 28 | 29 | 1 | 3.57% |
| Galatia village | 1,013 | 983 | -30 | -2.96% |
| Galena city | 3,460 | 3,333 | -127 | -3.67% |
| Galesburg city | 33,706 | 31,181 | -2,525 | -7.49% |
| Galva city | 2,758 | 2,648 | -110 | -3.99% |
| Gardner village | 1,406 | 1,489 | 83 | 5.90% |
| Garrett village | 198 | 191 | -7 | -3.54% |
| Gays village | 259 | 259 | 0 | 0.00% |
| Geneseo city | 6,480 | 6,437 | -43 | -0.66% |
| Geneva city | 19,515 | 24,302 | 4,787 | 24.53% |
| Genoa city | 4,169 | 5,101 | 932 | 22.36% |
| Georgetown city | 3,628 | 3,440 | -188 | -5.18% |
| German Valley village | 481 | 450 | -31 | -6.44% |
| Germantown Hills village | 2,111 | 3,213 | 1,102 | 52.20% |
| Germantown village | 1,118 | 1,232 | 114 | 10.20% |
| Gifford village | 815 | 993 | 178 | 21.84% |
| Gilberts village | 1,279 | 5,996 | 4,717 | 368.80% |
| Gillespie city | 3,412 | 3,182 | -230 | -6.74% |
| Gilman city | 1,793 | 1,714 | -79 | -4.41% |
| Girard city | 2,245 | 2,166 | -79 | -3.52% |
| Gladstone village | 284 | 255 | -29 | -10.21% |
| Glasford village | 1,076 | 1,033 | -43 | -4.00% |
| Glasgow village | 170 | 159 | -11 | -6.47% |
| Glen Carbon village | 10,425 | 12,607 | 2,182 | 20.93% |
| Glen Ellyn village | 26,999 | 27,142 | 143 | 0.53% |
| Glencoe village | 8,762 | 9,038 | 276 | 3.15% |
| Glendale Heights village | 31,765 | 31,847 | 82 | 0.26% |
| Glenview village | 41,847 | 46,180 | 4,333 | 10.35% |
| Glenwood village | 9,000 | 8,489 | -511 | -5.68% |
| Godfrey village | 16,286 | 17,524 | 1,238 | 7.60% |
| Godley village | 594 | 703 | 109 | 18.35% |
| Golconda city | 726 | 653 | -73 | -10.06% |
| Golden Gate village | 100 | 96 | -4 | -4.00% |
| Golden village | 629 | 616 | -13 | -2.07% |
| Golf village | 451 | 445 | -6 | -1.33% |
| Good Hope village | 415 | 375 | -40 | -9.64% |
| Goodfield village | 686 | 844 | 158 | 23.03% |
| Goreville village | 938 | 972 | 34 | 3.62% |
| Gorham village | 256 | 245 | -11 | -4.30% |
| Grafton city | 609 | 725 | 116 | 19.05% |
| Grand Ridge village | 546 | 520 | -26 | -4.76% |
| Grand Tower city | 624 | 579 | -45 | -7.21% |
| Grandview village | 1,537 | 1,410 | -127 | -8.26% |
| Granite City city | 31,301 | 30,703 | -598 | -1.91% |
| Grant Park village | 1,358 | 1,718 | 360 | 26.51% |
| Grantfork village | 254 | 327 | 73 | 28.74% |
| Granville village | 1,414 | 1,343 | -71 | -5.02% |
| Grayslake village | 18,506 | 21,735 | 3,229 | 17.45% |
| Grayville city | 1,725 | 1,585 | -140 | -8.12% |
| Green Oaks village | 3,572 | 3,913 | 341 | 9.55% |
| Green Valley village | 728 | 694 | -34 | -4.67% |
| Greenfield city | 1,179 | 1,073 | -106 | -8.99% |
| Greenup village | 1,532 | 1,477 | -55 | -3.59% |
| Greenview village | 862 | 789 | -73 | -8.47% |
| Greenville city | 6,955 | 7,379 | 424 | 6.10% |
| Greenwood village | 244 | 255 | 11 | 4.51% |
| Gridley village | 1,411 | 1,429 | 18 | 1.28% |
| Griggsville city | 1,258 | 1,172 | -86 | -6.84% |
| Gulf Port village | 207 | 214 | 7 | 3.38% |
| Gurnee village | 28,834 | 30,608 | 1,774 | 6.15% |
| Hainesville village | 2,129 | 3,699 | 1,570 | 73.74% |
| Hamburg village | 126 | 122 | -4 | -3.17% |
| Hamel village | 570 | 769 | 199 | 34.91% |
| Hamilton city | 3,029 | 2,777 | -252 | -8.32% |
| Hammond village | 518 | 508 | -10 | -1.93% |
| Hampshire village | 2,900 | 5,569 | 2,669 | 92.03% |
| Hampton village | 1,626 | 1,774 | 148 | 9.10% |
| Hanaford village | 55 | 221 | 166 | 301.82% |
| Hanna City village | 1,013 | 977 | -36 | -3.55% |
| Hanover Park village | 38,278 | 36,777 | -1,501 | -3.92% |
| Hanover village | 836 | 793 | -43 | -5.14% |
| Hardin village | 959 | 935 | -24 | -2.50% |
| Harmon village | 149 | 144 | -5 | -3.36% |
| Harrisburg city | 9,860 | 9,582 | -278 | -2.82% |
| Harristown village | 1,338 | 1,244 | -94 | -7.03% |
| Hartford village | 1,545 | 1,477 | -68 | -4.40% |
| Hartsburg village | 358 | 330 | -28 | -7.82% |
| Harvard city | 7,996 | 9,855 | 1,859 | 23.25% |
| Harvel village | 235 | 227 | -8 | -3.40% |
| Harvey city | 30,000 | 28,056 | -1,944 | -6.48% |
| Harwood Heights village | 8,297 | 8,058 | -239 | -2.88% |
| Havana city | 3,577 | 3,328 | -249 | -6.96% |
| Hawthorn Woods village | 6,002 | 8,067 | 2,065 | 34.41% |
| Hazel Crest village | 14,816 | 14,075 | -741 | -5.00% |
| Hebron village | 1,038 | 1,401 | 363 | 34.97% |
| Hecker village | 475 | 489 | 14 | 2.95% |
| Henderson village | 319 | 295 | -24 | -7.52% |
| Hennepin village | 707 | 704 | -3 | -0.42% |
| Henning village | 241 | 229 | -12 | -4.98% |
| Henry city | 2,540 | 2,415 | -125 | -4.92% |
| Herrick village | 524 | 498 | -26 | -4.96% |
| Herrin city | 11,298 | 12,337 | 1,039 | 9.20% |
| Herscher village | 1,523 | 1,615 | 92 | 6.04% |
| Hettick village | 182 | 175 | -7 | -3.85% |
| Heyworth village | 2,431 | 2,602 | 171 | 7.03% |
| Hickory Hills city | 13,926 | 13,326 | -600 | -4.31% |
| Hidalgo village | 123 | 118 | -5 | -4.07% |
| Highland city | 8,438 | 9,748 | 1,310 | 15.53% |
| Highland Park city | 31,365 | 31,449 | 84 | 0.27% |
| Highwood city | 4,143 | 5,388 | 1,245 | 30.05% |
| Hillcrest village | 1,158 | 1,288 | 130 | 11.23% |
| Hillsboro city | 4,359 | 6,164 | 1,805 | 41.41% |
| Hillsdale village | 588 | 561 | -27 | -4.59% |
| Hillside village | 8,155 | 8,341 | 186 | 2.28% |
| Hillview village | 179 | 166 | -13 | -7.26% |
| Hinckley village | 1,994 | 2,081 | 87 | 4.36% |
| Hindsboro village | 361 | 334 | -27 | -7.48% |
| Hinsdale village | 17,349 | 18,439 | 1,090 | 6.28% |
| Hodgkins village | 2,134 | 2,014 | -120 | -5.62% |
| Hoffman Estates village | 49,495 | 53,641 | 4,146 | 8.38% |
| Hoffman village | 460 | 449 | -11 | -2.39% |
| Holiday Hills village | 831 | 772 | -59 | -7.10% |
| Hollowayville village | 90 | 87 | -3 | -3.33% |
| Homer village | 1,200 | 1,122 | -78 | -6.50% |
| Hometown city | 4,467 | 4,112 | -355 | -7.95% |
| Homewood village | 19,543 | 18,475 | -1,068 | -5.46% |
| Hoopeston city | 5,965 | 5,656 | -309 | -5.18% |
| Hooppole village | 162 | 152 | -10 | -6.17% |
| Hopedale village | 929 | 924 | -5 | -0.54% |
| Hopewell village | 396 | 439 | 43 | 10.86% |
| Hopkins Park village | 711 | 791 | 80 | 11.25% |
| Hoyleton village | 520 | 492 | -28 | -5.38% |
| Hudson village | 1,510 | 1,794 | 284 | 18.81% |
| Huey village | 196 | 185 | -11 | -5.61% |
| Hull village | 474 | 436 | -38 | -8.02% |
| Humboldt village | 481 | 466 | -15 | -3.12% |
| Hume village | 382 | 362 | -20 | -5.24% |
| Huntley village | 5,730 | 22,923 | 17,193 | 300.05% |
| Hurst city | 805 | 787 | -18 | -2.24% |
| Hutsonville village | 568 | 606 | 38 | 6.69% |
| Illiopolis village | 916 | 849 | -67 | -7.31% |
| Ina village | 2,455 | 2,448 | -7 | -0.29% |
| Indian Creek village | 194 | 602 | 408 | 210.31% |
| Indian Head Park village | 3,685 | 3,614 | -71 | -1.93% |
| Indianola village | 207 | 220 | 13 | 6.28% |
| Industry village | 540 | 491 | -49 | -9.07% |
| Inverness village | 6,749 | 7,673 | 924 | 13.69% |
| Iola village | 171 | 164 | -7 | -4.09% |
| Ipava village | 506 | 470 | -36 | -7.11% |
| Iroquois village | 207 | 196 | -11 | -5.31% |
| Irving village | 2,484 | 479 | -2,005 | -80.72% |
| Irvington village | 736 | 700 | -36 | -4.89% |
| Irwin village | 92 | 89 | -3 | -3.26% |
| Island Lake village | 8,153 | 8,588 | 435 | 5.34% |
| Itasca village | 8,302 | 8,617 | 315 | 3.79% |
| Iuka village | 598 | 572 | -26 | -4.35% |
| Ivesdale village | 288 | 272 | -16 | -5.56% |
| Jacksonville city | 18,940 | 19,415 | 475 | 2.51% |
| Jeffersonville village | 366 | 353 | -13 | -3.55% |
| Jeisyville village | 128 | 122 | -6 | -4.69% |
| Jerome village | 1,414 | 1,294 | -120 | -8.49% |
| Jerseyville city | 7,984 | 8,373 | 389 | 4.87% |
| Jewett village | 232 | 223 | -9 | -3.88% |
| Johnsburg village | 5,391 | 6,734 | 1,343 | 24.91% |
| Johnsonville village | 69 | 66 | -3 | -4.35% |
| Johnston City city | 3,557 | 3,477 | -80 | -2.25% |
| Joliet city | 106,221 | 146,125 | 39,904 | 37.57% |
| Jonesboro city | 1,853 | 1,818 | -35 | -1.89% |
| Joppa village | 409 | 406 | -3 | -0.73% |
| Joy village | 373 | 348 | -25 | -6.70% |
| Junction City village | 559 | 537 | -22 | -3.94% |
| Junction village | 139 | 129 | -10 | -7.19% |
| Justice village | 12,193 | 12,452 | 259 | 2.12% |
| Kampsville village | 302 | 293 | -9 | -2.98% |
| Kane village | 459 | 427 | -32 | -6.97% |
| Kangley village | 287 | 271 | -16 | -5.57% |
| Kankakee city | 27,491 | 26,710 | -781 | -2.84% |
| Kansas village | 842 | 804 | -38 | -4.51% |
| Kappa village | 170 | 215 | 45 | 26.47% |
| Karnak village | 619 | 540 | -79 | -12.76% |
| Kaskaskia village | 9 | 9 | 0 | 0.00% |
| Keenes village | 99 | 95 | -4 | -4.04% |
| Keensburg village | 252 | 239 | -13 | -5.16% |
| Keithsburg city | 714 | 688 | -26 | -3.64% |
| Kell village | 231 | 221 | -10 | -4.33% |
| Kempton village | 235 | 230 | -5 | -2.13% |
| Kenilworth village | 2,494 | 2,397 | -97 | -3.89% |
| Kenney village | 374 | 355 | -19 | -5.08% |
| Kewanee city | 12,944 | 12,302 | -642 | -4.96% |
| Keyesport village | 481 | 466 | -15 | -3.12% |
| Kilbourne village | 375 | 350 | -25 | -6.67% |
| Kildeer village | 3,460 | 4,126 | 666 | 19.25% |
| Kincaid village | 1,441 | 1,450 | 9 | 0.62% |
| Kinderhook village | 249 | 231 | -18 | -7.23% |
| Kingston Mines village | 259 | 252 | -7 | -2.70% |
| Kingston village | 980 | 1,060 | 80 | 8.16% |
| Kinmundy city | 892 | 854 | -38 | -4.26% |
| Kinsman village | 109 | 110 | 1 | 0.92% |
| Kirkland village | 1,166 | 1,697 | 531 | 45.54% |
| Kirkwood village | 794 | 707 | -87 | -10.96% |
| Knoxville city | 3,183 | 2,917 | -266 | -8.36% |
| La Fayette village | 227 | 219 | -8 | -3.52% |
| La Grange Park village | 13,295 | 12,404 | -891 | -6.70% |
| La Grange village | 15,608 | 15,244 | -364 | -2.33% |
| La Harpe city | 1,385 | 1,287 | -98 | -7.08% |
| La Moille village | 773 | 743 | -30 | -3.88% |
| La Prairie village | 60 | 58 | -2 | -3.33% |
| La Rose village | 159 | 144 | -15 | -9.43% |
| Lacon city | 1,979 | 1,832 | -147 | -7.43% |
| Ladd village | 1,313 | 1,274 | -39 | -2.97% |
| Lake Barrington village | 4,757 | 4,975 | 218 | 4.58% |
| Lake Bluff village | 6,056 | 6,222 | 166 | 2.74% |
| Lake Forest city | 20,059 | 20,990 | 931 | 4.64% |
| Lake in the Hills village | 23,152 | 29,698 | 6,546 | 28.27% |
| Lake Villa village | 5,864 | 8,709 | 2,845 | 48.52% |
| Lake Zurich village | 18,104 | 20,610 | 2,506 | 13.84% |
| Lakemoor village | 2,788 | 5,748 | 2,960 | 106.17% |
| Lakewood village | 2,337 | 3,690 | 1,353 | 57.89% |
| Lanark city | 1,584 | 1,457 | -127 | -8.02% |
| Lansing village | 28,332 | 26,672 | -1,660 | -5.86% |
| LaSalle city | 9,796 | 9,520 | -276 | -2.82% |
| Latham village | 371 | 343 | -28 | -7.55% |
| Lawrenceville city | 4,745 | 4,382 | -363 | -7.65% |
| Le Roy city | 3,332 | 3,527 | 195 | 5.85% |
| Leaf River village | 555 | 541 | -14 | -2.52% |
| Lebanon city | 3,523 | 4,477 | 954 | 27.08% |
| Lee village | 313 | 313 | 0 | 0.00% |
| Leland Grove city | 1,592 | 1,443 | -149 | -9.36% |
| Leland village | 970 | 962 | -8 | -0.82% |
| Lemont village | 13,098 | 16,176 | 3,078 | 23.50% |
| Lena village | 2,887 | 2,786 | -101 | -3.50% |
| Lenzburg village | 577 | 530 | -47 | -8.15% |
| Leonore village | 110 | 108 | -2 | -1.82% |
| Lerna village | 322 | 312 | -10 | -3.11% |
| Lewistown city | 2,522 | 2,374 | -148 | -5.87% |
| Lexington city | 1,912 | 1,899 | -13 | -0.68% |
| Liberty village | 519 | 510 | -9 | -1.73% |
| Libertyville village | 20,742 | 21,843 | 1,101 | 5.31% |
| Lily Lake village | 825 | 925 | 100 | 12.12% |
| Lima village | 159 | 156 | -3 | -1.89% |
| Lincoln city | 15,369 | 14,541 | -828 | -5.39% |
| Lincolnshire village | 6,108 | 7,960 | 1,852 | 30.32% |
| Lincolnwood village | 12,359 | 11,810 | -549 | -4.44% |
| Lindenhurst village | 12,539 | 14,695 | 2,156 | 17.19% |
| Lisbon village | 248 | 335 | 87 | 35.08% |
| Lisle village | 21,182 | 23,135 | 1,953 | 9.22% |
| Litchfield city | 6,815 | 6,647 | -168 | -2.47% |
| Little York village | 269 | 247 | -22 | -8.18% |
| Littleton village | 197 | 189 | -8 | -4.06% |
| Liverpool village | 119 | 113 | -6 | -5.04% |
| Livingston village | 825 | 787 | -38 | -4.61% |
| Loami village | 804 | 781 | -23 | -2.86% |
| Lockport city | 15,191 | 24,810 | 9,619 | 63.32% |
| Loda village | 419 | 404 | -15 | -3.58% |
| Lomax village | 477 | 422 | -55 | -11.53% |
| Lombard village | 42,322 | 42,890 | 568 | 1.34% |
| London Mills village | 447 | 423 | -24 | -5.37% |
| Long Creek village | 1,364 | 1,318 | -46 | -3.37% |
| Long Grove village | 6,735 | 8,101 | 1,366 | 20.28% |
| Long Point village | 247 | 232 | -15 | -6.07% |
| Longview village | 153 | 144 | -9 | -5.88% |
| Loraine village | 363 | 355 | -8 | -2.20% |
| Lostant village | 486 | 472 | -14 | -2.88% |
| Louisville village | 1,242 | 1,235 | -7 | -0.56% |
| Loves Park city | 20,044 | 24,457 | 4,413 | 22.02% |
| Lovington village | 1,222 | 1,170 | -52 | -4.26% |
| Ludlow village | 324 | 361 | 37 | 11.42% |
| Lyndon village | 566 | 543 | -23 | -4.06% |
| Lynnville village | 137 | 133 | -4 | -2.92% |
| Lynwood village | 7,377 | 8,519 | 1,142 | 15.48% |
| Lyons village | 10,255 | 10,250 | -5 | -0.05% |
| Macedonia village | 51 | 50 | -1 | -1.96% |
| Machesney Park village | 20,759 | 22,815 | 2,056 | 9.90% |
| Mackinaw village | 1,452 | 1,715 | 263 | 18.11% |
| Macomb city | 18,558 | 19,736 | 1,178 | 6.35% |
| Macon city | 1,213 | 1,133 | -80 | -6.60% |
| Madison city | 4,545 | 4,554 | 9 | 0.20% |
| Maeystown village | 148 | 151 | 3 | 2.03% |
| Magnolia village | 279 | 272 | -7 | -2.51% |
| Mahomet village | 4,877 | 6,422 | 1,545 | 31.68% |
| Makanda village | 419 | 408 | -11 | -2.63% |
| Malden village | 343 | 331 | -12 | -3.50% |
| Malta village | 969 | 1,192 | 223 | 23.01% |
| Manchester village | 354 | 331 | -23 | -6.50% |
| Manhattan village | 3,330 | 7,166 | 3,836 | 115.20% |
| Manito village | 1,733 | 1,631 | -102 | -5.89% |
| Manlius village | 355 | 340 | -15 | -4.23% |
| Mansfield village | 949 | 910 | -39 | -4.11% |
| Manteno village | 6,414 | 8,562 | 2,148 | 33.49% |
| Maple Park village | 765 | 1,290 | 525 | 68.63% |
| Mapleton village | 227 | 236 | 9 | 3.96% |
| Maquon village | 318 | 286 | -32 | -10.06% |
| Marengo city | 6,355 | 7,520 | 1,165 | 18.33% |
| Marietta village | 150 | 142 | -8 | -5.33% |
| Marine village | 910 | 935 | 25 | 2.75% |
| Marion city | 16,035 | 17,388 | 1,353 | 8.44% |
| Marissa village | 2,141 | 1,982 | -159 | -7.43% |
| Mark village | 491 | 514 | 23 | 4.68% |
| Markham city | 12,620 | 12,248 | -372 | -2.95% |
| Maroa city | 1,654 | 1,538 | -116 | -7.01% |
| Marquette Heights city | 2,794 | 2,831 | 37 | 1.32% |
| Marseilles city | 4,655 | 4,924 | 269 | 5.78% |
| Marshall city | 3,771 | 3,846 | 75 | 1.99% |
| Martinsville city | 1,225 | 1,212 | -13 | -1.06% |
| Martinton village | 375 | 383 | 8 | 2.13% |
| Maryville village | 4,651 | 7,397 | 2,746 | 59.04% |
| Mascoutah city | 5,659 | 6,701 | 1,042 | 18.41% |
| Mason City city | 2,558 | 2,365 | -193 | -7.54% |
| Mason town | 396 | 397 | 1 | 0.25% |
| Matherville village | 772 | 749 | -23 | -2.98% |
| Matteson village | 12,928 | 17,420 | 4,492 | 34.75% |
| Mattoon city | 18,291 | 17,177 | -1,114 | -6.09% |
| Maunie village | 177 | 170 | -7 | -3.95% |
| Maywood village | 26,987 | 25,035 | -1,952 | -7.23% |
| Mazon village | 904 | 1,014 | 110 | 12.17% |
| McCook village | 254 | 237 | -17 | -6.69% |
| McCullom Lake village | 1,038 | 1,100 | 62 | 5.97% |
| McHenry city | 21,501 | 26,862 | 5,361 | 24.93% |
| McLean village | 808 | 791 | -17 | -2.10% |
| McLeansboro city | 2,945 | 2,780 | -165 | -5.60% |
| McNabb village | 310 | 282 | -28 | -9.03% |
| Mechanicsburg village | 456 | 449 | -7 | -1.54% |
| Media village | 130 | 114 | -16 | -12.31% |
| Medora village | 501 | 481 | -20 | -3.99% |
| Melrose Park village | 23,171 | 21,853 | -1,318 | -5.69% |
| Melvin village | 465 | 456 | -9 | -1.94% |
| Mendon village | 883 | 1,009 | 126 | 14.27% |
| Mendota city | 7,272 | 6,995 | -277 | -3.81% |
| Menominee village | 237 | 205 | -32 | -13.50% |
| Meredosia village | 1,041 | 966 | -75 | -7.20% |
| Merrionette Park village | 1,999 | 1,982 | -17 | -0.85% |
| Metamora village | 2,700 | 3,398 | 698 | 25.85% |
| Metcalf village | 213 | 203 | -10 | -4.69% |
| Metropolis city | 6,482 | 6,540 | 58 | 0.89% |
| Mettawa village | 367 | 514 | 147 | 40.05% |
| Middletown village | 434 | 416 | -18 | -4.15% |
| Midlothian village | 14,315 | 13,657 | -658 | -4.60% |
| Milan village | 5,348 | 5,186 | -162 | -3.03% |
| Milford village | 1,369 | 1,283 | -86 | -6.28% |
| Mill Creek village | 76 | 75 | -1 | -1.32% |
| Mill Shoals village | 235 | 225 | -10 | -4.26% |
| Milledgeville village | 1,016 | 930 | -86 | -8.46% |
| Millington village | 458 | 509 | 51 | 11.14% |
| Millstadt village | 2,794 | 3,348 | 554 | 19.83% |
| Milton village | 274 | 254 | -20 | -7.30% |
| Mineral village | 272 | 261 | -11 | -4.04% |
| Minier village | 1,244 | 1,247 | 3 | 0.24% |
| Minonk city | 2,168 | 2,154 | -14 | -0.65% |
| Minooka village | 3,971 | 10,514 | 6,543 | 164.77% |
| Modesto village | 252 | 243 | -9 | -3.57% |
| Mokena village | 14,583 | 19,236 | 4,653 | 31.91% |
| Moline city | 43,768 | 43,088 | -680 | -1.55% |
| Momence city | 3,171 | 3,188 | 17 | 0.54% |
| Monee village | 2,924 | 4,993 | 2,069 | 70.76% |
| Monmouth city | 9,841 | 9,321 | -520 | -5.28% |
| Montgomery village | 5,471 | 15,229 | 9,758 | 178.36% |
| Monticello city | 5,138 | 5,350 | 212 | 4.13% |
| Montrose village | 257 | 257 | 0 | 0.00% |
| Morris city | 11,928 | 13,812 | 1,884 | 15.79% |
| Morrison city | 4,447 | 4,303 | -144 | -3.24% |
| Morrisonville village | 1,068 | 1,020 | -48 | -4.49% |
| Morton Grove village | 22,451 | 22,478 | 27 | 0.12% |
| Morton village | 15,198 | 16,039 | 841 | 5.53% |
| Mound City city | 692 | 590 | -102 | -14.74% |
| Mound Station village | 127 | 117 | -10 | -7.87% |
| Mounds city | 1,117 | 949 | -168 | -15.04% |
| Mount Auburn village | 515 | 542 | 27 | 5.24% |
| Mount Carmel city | 7,982 | 7,404 | -578 | -7.24% |
| Mount Carroll city | 1,832 | 1,659 | -173 | -9.44% |
| Mount Clare village | 433 | 421 | -12 | -2.77% |
| Mount Erie village | 105 | 101 | -4 | -3.81% |
| Mount Morris village | 3,013 | 3,078 | 65 | 2.16% |
| Mount Olive city | 2,150 | 2,052 | -98 | -4.56% |
| Mount Prospect village | 56,265 | 53,338 | -2,927 | -5.20% |
| Mount Pulaski city | 1,701 | 1,580 | -121 | -7.11% |
| Mount Sterling city | 2,070 | 1,907 | -163 | -7.87% |
| Mount Vernon city | 16,269 | 16,298 | 29 | 0.18% |
| Mount Zion village | 4,845 | 5,159 | 314 | 6.48% |
| Moweaqua village | 1,923 | 1,821 | -102 | -5.30% |
| Muddy village | 78 | 73 | -5 | -6.41% |
| Mulberry Grove village | 671 | 658 | -13 | -1.94% |
| Muncie village | 155 | 147 | -8 | -5.16% |
| Mundelein village | 30,935 | 33,717 | 2,782 | 8.99% |
| Murphysboro city | 13,295 | 8,184 | -5,111 | -38.44% |
| Murrayville village | 644 | 619 | -25 | -3.88% |
| Naperville city | 128,358 | 143,117 | 14,759 | 11.50% |
| Naplate village | 523 | 512 | -11 | -2.10% |
| Naples town | 134 | 123 | -11 | -8.21% |
| Nashville city | 3,147 | 3,027 | -120 | -3.81% |
| Nason city | 234 | 234 | 0 | 0.00% |
| Nauvoo city | 1,063 | 1,155 | 92 | 8.65% |
| Nebo village | 408 | 377 | -31 | -7.60% |
| Nelson village | 163 | 157 | -6 | -3.68% |
| Neoga city | 1,854 | 1,753 | -101 | -5.45% |
| Neponset village | 519 | 493 | -26 | -5.01% |
| New Athens village | 1,981 | 1,999 | 18 | 0.91% |
| New Baden village | 3,001 | 3,248 | 247 | 8.23% |
| New Bedford village | 95 | 91 | -4 | -4.21% |
| New Berlin village | 1,030 | 1,131 | 101 | 9.81% |
| New Boston city | 632 | 616 | -16 | -2.53% |
| New Burnside village | 242 | 252 | 10 | 4.13% |
| New Canton town | 417 | 385 | -32 | -7.67% |
| New Douglas village | 369 | 347 | -22 | -5.96% |
| New Grand Chain village | 233 | 203 | -30 | -12.88% |
| New Haven village | 477 | 442 | -35 | -7.34% |
| New Holland village | 318 | 304 | -14 | -4.40% |
| New Lenox village | 17,771 | 24,137 | 6,366 | 35.82% |
| New Milford village | 541 | 556 | 15 | 2.77% |
| New Minden village | 204 | 193 | -11 | -5.39% |
| New Salem village | 136 | 126 | -10 | -7.35% |
| Newark village | 887 | 1,128 | 241 | 27.17% |
| Newman city | 956 | 912 | -44 | -4.60% |
| Newton city | 3,069 | 2,942 | -127 | -4.14% |
| Niantic village | 738 | 667 | -71 | -9.62% |
| Niles village | 30,068 | 28,666 | -1,402 | -4.66% |
| Nilwood town | 284 | 274 | -10 | -3.52% |
| Noble village | 746 | 691 | -55 | -7.37% |
| Nokomis city | 2,389 | 2,259 | -130 | -5.44% |
| Nora village | 118 | 113 | -5 | -4.24% |
| Normal town | 45,386 | 52,056 | 6,670 | 14.70% |
| Norridge village | 14,582 | 13,954 | -628 | -4.31% |
| Norris City village | 1,057 | 1,015 | -42 | -3.97% |
| Norris village | 194 | 184 | -10 | -5.15% |
| North Aurora village | 10,585 | 15,812 | 5,227 | 49.38% |
| North Barrington village | 2,918 | 3,237 | 319 | 10.93% |
| North Chicago city | 35,918 | 32,608 | -3,310 | -9.22% |
| North City village | 630 | 653 | 23 | 3.65% |
| North Henderson village | 187 | 181 | -6 | -3.21% |
| North Pekin village | 1,574 | 1,721 | 147 | 9.34% |
| North Riverside village | 6,688 | 6,240 | -448 | -6.70% |
| North Utica village | 977 | 1,039 | 62 | 6.35% |
| Northbrook village | 33,435 | 33,936 | 501 | 1.50% |
| Northfield village | 5,389 | 5,429 | 40 | 0.74% |
| Northlake city | 11,878 | 11,462 | -416 | -3.50% |
| Norwood village | 473 | 456 | -17 | -3.59% |
| Oak Brook village | 8,702 | 8,803 | 101 | 1.16% |
| Oak Forest city | 28,051 | 27,740 | -311 | -1.11% |
| Oak Grove village | 1,318 | 699 | -619 | -46.97% |
| Oak Lawn village | 55,245 | 53,244 | -2,001 | -3.62% |
| Oak Park village | 52,524 | 49,557 | -2,967 | -5.65% |
| Oakbrook Terrace city | 2,300 | 2,221 | -79 | -3.43% |
| Oakdale village | 213 | 201 | -12 | -5.63% |
| Oakford village | 309 | 292 | -17 | -5.50% |
| Oakland city | 996 | 934 | -62 | -6.22% |
| Oakwood Hills village | 2,194 | 2,376 | 182 | 8.30% |
| Oakwood village | 1,502 | 1,426 | -76 | -5.06% |
| Oblong village | 1,580 | 1,523 | -57 | -3.61% |
| Oconee village | 202 | 184 | -18 | -8.91% |
| Odell village | 1,014 | 992 | -22 | -2.17% |
| Odin village | 1,122 | 1,061 | -61 | -5.44% |
| O'Fallon city | 21,910 | 27,540 | 5,630 | 25.70% |
| Ogden village | 743 | 719 | -24 | -3.23% |
| Oglesby city | 3,647 | 3,671 | 24 | 0.66% |
| Ohio village | 540 | 518 | -22 | -4.07% |
| Okawville village | 1,355 | 1,337 | -18 | -1.33% |
| Old Mill Creek village | 251 | 263 | 12 | 4.78% |
| Old Ripley village | 127 | 124 | -3 | -2.36% |
| Old Shawneetown village | 278 | 258 | -20 | -7.19% |
| Olmsted village | 299 | 261 | -38 | -12.71% |
| Olney city | 8,631 | 8,407 | -224 | -2.60% |
| Olympia Fields village | 4,732 | 4,735 | 3 | 0.06% |
| Omaha village | 263 | 244 | -19 | -7.22% |
| Onarga village | 1,438 | 1,376 | -62 | -4.31% |
| Oneida city | 752 | 692 | -60 | -7.98% |
| Oquawka village | 1,539 | 1,378 | -161 | -10.46% |
| Orangeville village | 751 | 759 | 8 | 1.07% |
| Oreana village | 892 | 924 | 32 | 3.59% |
| Oregon city | 4,060 | 4,123 | 63 | 1.55% |
| Orient city | 296 | 312 | 16 | 5.41% |
| Orion village | 1,713 | 1,688 | -25 | -1.46% |
| Orland Hills village | 6,779 | 7,195 | 416 | 6.14% |
| Orland Park village | 51,077 | 55,514 | 4,437 | 8.69% |
| Oswego village | 13,326 | 31,504 | 18,178 | 136.41% |
| Ottawa city | 18,307 | 19,419 | 1,112 | 6.07% |
| Otterville town | 120 | 119 | -1 | -0.83% |
| Owaneco village | 256 | 244 | -12 | -4.69% |
| Palatine village | 65,479 | 67,080 | 1,601 | 2.45% |
| Palestine village | 1,366 | 1,324 | -42 | -3.07% |
| Palmer village | 248 | 232 | -16 | -6.45% |
| Palmyra village | 733 | 706 | -27 | -3.68% |
| Palos Heights city | 11,260 | 12,469 | 1,209 | 10.74% |
| Palos Hills city | 17,665 | 16,924 | -741 | -4.19% |
| Palos Park village | 4,689 | 4,877 | 188 | 4.01% |
| Pana city | 5,614 | 5,718 | 104 | 1.85% |
| Panama village | 323 | 316 | -7 | -2.17% |
| Panola village | 33 | 33 | 0 | 0.00% |
| Papineau village | 196 | 199 | 3 | 1.53% |
| Paris city | 9,077 | 8,699 | -378 | -4.16% |
| Park City city | 6,637 | 6,609 | -28 | -0.42% |
| Park Forest village | 23,462 | 22,583 | -879 | -3.75% |
| Park Ridge city | 37,775 | 36,927 | -848 | -2.24% |
| Parkersburg village | 234 | 222 | -12 | -5.13% |
| Patoka village | 633 | 606 | -27 | -4.27% |
| Paw Paw village | 852 | 876 | 24 | 2.82% |
| Pawnee village | 2,647 | 2,544 | -103 | -3.89% |
| Paxton city | 4,525 | 4,521 | -4 | -0.09% |
| Payson village | 1,066 | 1,048 | -18 | -1.69% |
| Pearl City village | 780 | 771 | -9 | -1.15% |
| Pearl village | 187 | 173 | -14 | -7.49% |
| Pecatonica village | 1,997 | 2,209 | 212 | 10.62% |
| Pekin city | 33,857 | 33,430 | -427 | -1.26% |
| Peoria city | 112,936 | 114,114 | 1,178 | 1.04% |
| Peoria Heights village | 6,635 | 6,230 | -405 | -6.10% |
| Peotone village | 3,385 | 4,294 | 909 | 26.85% |
| Percy village | 942 | 910 | -32 | -3.40% |
| Perry village | 437 | 399 | -38 | -8.70% |
| Peru city | 9,835 | 9,810 | -25 | -0.25% |
| Pesotum village | 521 | 499 | -22 | -4.22% |
| Petersburg city | 2,299 | 2,190 | -109 | -4.74% |
| Phillipstown village | 28 | 27 | -1 | -3.57% |
| Philo village | 1,314 | 1,608 | 294 | 22.37% |
| Phoenix village | 2,157 | 2,041 | -116 | -5.38% |
| Pierron village | 653 | 646 | -7 | -1.07% |
| Pinckneyville city | 5,464 | 5,384 | -80 | -1.46% |
| Pingree Grove village | 124 | 4,075 | 3,951 | 3,186.29% |
| Piper City village | 781 | 736 | -45 | -5.76% |
| Pittsburg village | 575 | 581 | 6 | 1.04% |
| Pittsfield city | 4,211 | 4,453 | 242 | 5.75% |
| Plainfield village | 13,038 | 36,507 | 23,469 | 180.00% |
| Plainville village | 248 | 242 | -6 | -2.42% |
| Plano city | 5,633 | 11,886 | 6,253 | 111.01% |
| Pleasant Hill village | 1,047 | 970 | -77 | -7.35% |
| Pleasant Plains village | 777 | 720 | -57 | -7.34% |
| Plymouth village | 562 | 520 | -42 | -7.47% |
| Pocahontas village | 727 | 717 | -10 | -1.38% |
| Polo city | 2,477 | 2,477 | 0 | 0.00% |
| Pontiac city | 11,864 | 11,258 | -606 | -5.11% |
| Pontoon Beach village | 5,620 | 6,081 | 461 | 8.20% |
| Pontoosuc village | 171 | 159 | -12 | -7.02% |
| Poplar Grove village | 1,368 | 4,058 | 2,690 | 196.64% |
| Port Byron village | 1,535 | 1,670 | 135 | 8.79% |
| Posen village | 4,730 | 4,907 | 177 | 3.74% |
| Potomac village | 681 | 656 | -25 | -3.67% |
| Prairie City village | 461 | 418 | -43 | -9.33% |
| Prairie du Rocher village | 613 | 568 | -45 | -7.34% |
| Prairie Grove village | 960 | 1,995 | 1,035 | 107.81% |
| Princeton city | 7,501 | 7,496 | -5 | -0.07% |
| Princeville village | 1,621 | 1,636 | 15 | 0.93% |
| Prophetstown city | 2,023 | 1,925 | -98 | -4.84% |
| Prospect Heights city | 17,081 | 16,047 | -1,034 | -6.05% |
| Pulaski village | 274 | 228 | -46 | -16.79% |
| Quincy city | 40,366 | 39,983 | -383 | -0.95% |
| Radom village | 395 | 383 | -12 | -3.04% |
| Raleigh village | 330 | 319 | -11 | -3.33% |
| Ramsey village | 1,056 | 1,047 | -9 | -0.85% |
| Rankin village | 617 | 584 | -33 | -5.35% |
| Ransom village | 409 | 383 | -26 | -6.36% |
| Rantoul village | 12,857 | 12,189 | -668 | -5.20% |
| Rapids City village | 953 | 990 | 37 | 3.88% |
| Raritan village | 140 | 122 | -18 | -12.86% |
| Raymond village | 927 | 899 | -28 | -3.02% |
| Red Bud city | 3,422 | 3,636 | 214 | 6.25% |
| Reddick village | 219 | 225 | 6 | 2.74% |
| Redmon village | 199 | 189 | -10 | -5.03% |
| Reynolds village | 508 | 482 | -26 | -5.12% |
| Richmond village | 1,091 | 2,316 | 1,225 | 112.28% |
| Richton Park village | 12,533 | 12,842 | 309 | 2.47% |
| Richview village | 308 | 286 | -22 | -7.14% |
| Ridge Farm village | 912 | 857 | -55 | -6.03% |
| Ridgway village | 928 | 860 | -68 | -7.33% |
| Ridott village | 159 | 147 | -12 | -7.55% |
| Ringwood village | 471 | 489 | 18 | 3.82% |
| Rio village | 240 | 221 | -19 | -7.92% |
| Ripley village | 103 | 93 | -10 | -9.71% |
| River Forest village | 11,635 | 11,176 | -459 | -3.94% |
| River Grove village | 10,668 | 9,992 | -676 | -6.34% |
| Riverdale village | 15,055 | 14,163 | -892 | -5.92% |
| Riverside village | 8,895 | 8,272 | -623 | -7.00% |
| Riverton village | 3,048 | 2,989 | -59 | -1.94% |
| Riverwoods village | 3,843 | 4,081 | 238 | 6.19% |
| Roanoke village | 1,994 | 2,017 | 23 | 1.15% |
| Robbins village | 6,635 | 6,331 | -304 | -4.58% |
| Roberts village | 387 | 380 | -7 | -1.81% |
| Robinson city | 6,822 | 6,369 | -453 | -6.64% |
| Rochelle city | 9,424 | 9,847 | 423 | 4.49% |
| Rochester village | 2,893 | 3,236 | 343 | 11.86% |
| Rock City village | 313 | 313 | 0 | 0.00% |
| Rock Falls city | 9,580 | 9,307 | -273 | -2.85% |
| Rock Island city | 39,684 | 38,139 | -1,545 | -3.89% |
| Rockbridge village | 189 | 176 | -13 | -6.88% |
| Rockdale village | 1,888 | 1,993 | 105 | 5.56% |
| Rockford city | 150,115 | 157,272 | 7,157 | 4.77% |
| Rockton village | 5,296 | 5,512 | 216 | 4.08% |
| Rockwood village | 41 | 40 | -1 | -2.44% |
| Rolling Meadows city | 24,604 | 23,463 | -1,141 | -4.64% |
| Romeoville village | 21,153 | 38,028 | 16,875 | 79.78% |
| Roodhouse city | 2,214 | 1,937 | -277 | -12.51% |
| Roscoe village | 6,244 | 8,807 | 2,563 | 41.05% |
| Rose Hill village | 79 | 76 | -3 | -3.80% |
| Roselle village | 23,115 | 23,209 | 94 | 0.41% |
| Rosemont village | 4,224 | 3,929 | -295 | -6.98% |
| Roseville village | 1,083 | 979 | -104 | -9.60% |
| Rosiclare city | 1,213 | 1,085 | -128 | -10.55% |
| Rossville village | 1,217 | 1,153 | -64 | -5.26% |
| Round Lake Beach village | 25,859 | 27,855 | 1,996 | 7.72% |
| Round Lake Heights village | 1,347 | 2,802 | 1,455 | 108.02% |
| Round Lake Park village | 6,038 | 6,181 | 143 | 2.37% |
| Round Lake village | 5,842 | 16,748 | 10,906 | 186.68% |
| Roxana village | 1,547 | 1,552 | 5 | 0.32% |
| Royal Lakes village | 190 | 184 | -6 | -3.16% |
| Royal village | 279 | 267 | -12 | -4.30% |
| Royalton village | 1,130 | 1,159 | 29 | 2.57% |
| Ruma village | 260 | 285 | 25 | 9.62% |
| Rushville city | 3,212 | 3,096 | -116 | -3.61% |
| Russellville village | 119 | 114 | -5 | -4.20% |
| Rutland village | 354 | 348 | -6 | -1.69% |
| Sadorus village | 426 | 395 | -31 | -7.28% |
| Sailor Springs village | 128 | 123 | -5 | -3.91% |
| Salem city | 7,909 | 7,446 | -463 | -5.85% |
| San Jose village | 696 | 646 | -50 | -7.18% |
| Sandoval village | 1,434 | 1,335 | -99 | -6.90% |
| Sandwich city | 6,509 | 7,337 | 828 | 12.72% |
| Sauget village | 249 | 237 | -12 | -4.82% |
| Sauk Village village | 10,411 | 10,254 | -157 | -1.51% |
| Saunemin village | 456 | 424 | -32 | -7.02% |
| Savanna city | 3,542 | 3,211 | -331 | -9.35% |
| Savoy village | 4,476 | 5,579 | 1,103 | 24.64% |
| Sawyerville village | 295 | 284 | -11 | -3.73% |
| Saybrook village | 764 | 746 | -18 | -2.36% |
| Scales Mound village | 401 | 381 | -20 | -4.99% |
| Schaumburg village | 75,386 | 71,716 | -3,670 | -4.87% |
| Schiller Park village | 11,850 | 11,573 | -277 | -2.34% |
| Schram City village | 653 | 614 | -39 | -5.97% |
| Sciota village | 58 | 52 | -6 | -10.34% |
| Scottville village | 140 | 135 | -5 | -3.57% |
| Seaton village | 242 | 226 | -16 | -6.61% |
| Seatonville village | 303 | 308 | 5 | 1.65% |
| Secor village | 379 | 372 | -7 | -1.85% |
| Seneca village | 2,053 | 2,126 | 73 | 3.56% |
| Sesser city | 2,128 | 2,121 | -7 | -0.33% |
| Shabbona village | 929 | 957 | 28 | 3.01% |
| Shannon village | 854 | 795 | -59 | -6.91% |
| Shawneetown city | 1,410 | 1,308 | -102 | -7.23% |
| Sheffield village | 946 | 935 | -11 | -1.16% |
| Shelbyville city | 4,971 | 4,605 | -366 | -7.36% |
| Sheldon village | 1,232 | 1,154 | -78 | -6.33% |
| Sheridan village | 2,411 | 1,963 | -448 | -18.58% |
| Sherman village | 2,871 | 3,827 | 956 | 33.30% |
| Sherrard village | 694 | 645 | -49 | -7.06% |
| Shiloh village | 7,643 | 11,173 | 3,530 | 46.19% |
| Shipman town | 655 | 634 | -21 | -3.21% |
| Shorewood village | 7,686 | 15,521 | 7,835 | 101.94% |
| Shumway village | 217 | 227 | 10 | 4.61% |
| Sibley village | 329 | 323 | -6 | -1.82% |
| Sidell village | 626 | 592 | -34 | -5.43% |
| Sidney village | 1,062 | 1,127 | 65 | 6.12% |
| Sigel town | 386 | 389 | 3 | 0.78% |
| Silvis city | 7,269 | 7,770 | 501 | 6.89% |
| Simpson village | 54 | 56 | 2 | 3.70% |
| Sims village | 273 | 262 | -11 | -4.03% |
| Skokie village | 63,348 | 66,620 | 3,272 | 5.17% |
| Sleepy Hollow village | 3,553 | 3,687 | 134 | 3.77% |
| Smithboro village | 200 | 232 | 32 | 16.00% |
| Smithfield village | 214 | 203 | -11 | -5.14% |
| Smithton village | 2,248 | 3,418 | 1,170 | 52.05% |
| Somonauk village | 1,295 | 1,651 | 356 | 27.49% |
| Sorento village | 601 | 602 | 1 | 0.17% |
| South Barrington village | 3,760 | 4,461 | 701 | 18.64% |
| South Beloit city | 5,397 | 5,541 | 144 | 2.67% |
| South Chicago Heights village | 3,970 | 3,779 | -191 | -4.81% |
| South Elgin village | 16,100 | 21,131 | 5,031 | 31.25% |
| South Holland village | 22,147 | 21,083 | -1,064 | -4.80% |
| South Jacksonville village | 3,475 | 3,250 | -225 | -6.47% |
| South Pekin village | 1,162 | 1,198 | 36 | 3.10% |
| South Roxana village | 1,888 | 1,807 | -81 | -4.29% |
| South Wilmington village | 621 | 636 | 15 | 2.42% |
| Southern View village | 1,695 | 1,642 | -53 | -3.13% |
| Sparland village | 504 | 474 | -30 | -5.95% |
| Sparta city | 4,486 | 4,314 | -172 | -3.83% |
| Spaulding village | 559 | 821 | 262 | 46.87% |
| Spillertown village | 220 | 223 | 3 | 1.36% |
| Spring Bay village | 436 | 522 | 86 | 19.72% |
| Spring Grove village | 3,880 | 5,769 | 1,889 | 48.69% |
| Spring Valley city | 5,398 | 5,450 | 52 | 0.96% |
| Springerton village | 134 | 128 | -6 | -4.48% |
| Springfield city | 111,454 | 117,352 | 5,898 | 5.29% |
| St. Anne village | 1,212 | 1,247 | 35 | 2.89% |
| St. Augustine village | 152 | 137 | -15 | -9.87% |
| St. Charles city | 27,896 | 32,829 | 4,933 | 17.68% |
| St. David village | 587 | 547 | -40 | -6.81% |
| St. Elmo city | 1,456 | 1,420 | -36 | -2.47% |
| St. Francisville city | 759 | 728 | -31 | -4.08% |
| St. Jacob village | 801 | 1,081 | 280 | 34.96% |
| St. Johns village | 218 | 213 | -5 | -2.29% |
| St. Joseph village | 2,912 | 4,023 | 1,111 | 38.15% |
| St. Libory village | 583 | 625 | 42 | 7.20% |
| St. Peter village | 386 | 381 | -5 | -1.30% |
| Standard City village | 138 | 133 | -5 | -3.62% |
| Standard village | 256 | 250 | -6 | -2.34% |
| Stanford village | 670 | 674 | 4 | 0.60% |
| Staunton city | 5,030 | 5,139 | 109 | 2.17% |
| Ste. Marie village | 261 | 251 | -10 | -3.83% |
| Steeleville village | 2,077 | 2,014 | -63 | -3.03% |
| Steger village | 9,682 | 10,421 | 739 | 7.63% |
| Sterling city | 15,451 | 15,124 | -327 | -2.12% |
| Steward village | 271 | 261 | -10 | -3.69% |
| Stewardson village | 747 | 712 | -35 | -4.69% |
| Stickney village | 6,148 | 5,774 | -374 | -6.08% |
| Stillman Valley village | 1,048 | 1,108 | 60 | 5.73% |
| Stockton village | 1,926 | 1,797 | -129 | -6.70% |
| Stone Park village | 5,127 | 4,860 | -267 | -5.21% |
| Stonefort village | 292 | 291 | -1 | -0.34% |
| Stonington village | 960 | 900 | -60 | -6.25% |
| Stoy village | 119 | 115 | -4 | -3.36% |
| Strasburg village | 603 | 563 | -40 | -6.63% |
| Strawn village | 104 | 97 | -7 | -6.73% |
| Streamwood village | 36,407 | 37,119 | 712 | 1.96% |
| Streator city | 14,190 | 13,780 | -410 | -2.89% |
| Stronghurst village | 896 | 795 | -101 | -11.27% |
| Sublette village | 456 | 442 | -14 | -3.07% |
| Sugar Grove village | 3,909 | 9,645 | 5,736 | 146.74% |
| Sullivan city | 4,326 | 4,383 | 57 | 1.32% |
| Summerfield village | 472 | 473 | 1 | 0.21% |
| Summit village | 10,637 | 10,223 | -414 | -3.89% |
| Sumner city | 1,022 | 2,981 | 1,959 | 191.68% |
| Sun River Terrace village | 383 | 526 | 143 | 37.34% |
| Swansea village | 10,579 | 12,927 | 2,348 | 22.19% |
| Sycamore city | 12,020 | 17,679 | 5,659 | 47.08% |
| Symerton village | 106 | 112 | 6 | 5.66% |
| Table Grove village | 396 | 375 | -21 | -5.30% |
| Tallula village | 638 | 601 | -37 | -5.80% |
| Tamaroa village | 740 | 719 | -21 | -2.84% |
| Tamms village | 724 | 916 | 192 | 26.52% |
| Tampico village | 772 | 728 | -44 | -5.70% |
| Taylor Springs village | 583 | 565 | -18 | -3.09% |
| Taylorville city | 11,427 | 12,238 | 811 | 7.10% |
| Tennessee village | 144 | 130 | -14 | -9.72% |
| Teutopolis village | 1,559 | 1,660 | 101 | 6.48% |
| Thawville village | 258 | 296 | 38 | 14.73% |
| Thayer village | 750 | 688 | -62 | -8.27% |
| Thebes village | 478 | 406 | -72 | -15.06% |
| Third Lake village | 1,355 | 1,382 | 27 | 1.99% |
| Thomasboro village | 1,233 | 1,209 | -24 | -1.95% |
| Thompsonville village | 571 | 588 | 17 | 2.98% |
| Thomson village | 559 | 524 | -35 | -6.26% |
| Thornton village | 2,582 | 2,386 | -196 | -7.59% |
| Tilden village | 922 | 870 | -52 | -5.64% |
| Tilton village | 2,976 | 2,779 | -197 | -6.62% |
| Timberlane village | 234 | 615 | 381 | 162.82% |
| Time village | 29 | 27 | -2 | -6.90% |
| Tinley Park village | 48,401 | 59,198 | 10,797 | 22.31% |
| Tiskilwa village | 787 | 750 | -37 | -4.70% |
| Toledo village | 1,166 | 1,129 | -37 | -3.17% |
| Tolono village | 2,700 | 2,836 | 136 | 5.04% |
| Toluca city | 1,339 | 1,250 | -89 | -6.65% |
| Tonica village | 685 | 698 | 13 | 1.90% |
| Topeka village | 90 | 84 | -6 | -6.67% |
| Toulon city | 1,400 | 1,339 | -61 | -4.36% |
| Tovey village | 516 | 486 | -30 | -5.81% |
| Towanda village | 493 | 487 | -6 | -1.22% |
| Tower Hill village | 609 | 576 | -33 | -5.42% |
| Tower Lakes village | 1,310 | 1,302 | -8 | -0.61% |
| Tremont village | 2,029 | 2,070 | 41 | 2.02% |
| Trenton city | 2,610 | 2,661 | 51 | 1.95% |
| Trout Valley village | 599 | 602 | 3 | 0.50% |
| Troy city | 8,524 | 9,840 | 1,316 | 15.44% |
| Troy Grove village | 305 | 301 | -4 | -1.31% |
| Tuscola city | 4,448 | 4,514 | 66 | 1.48% |
| Ullin village | 779 | 696 | -83 | -10.65% |
| Union Hill village | 66 | 63 | -3 | -4.55% |
| Union village | 576 | 615 | 39 | 6.77% |
| University Park village | 6,662 | 8,171 | 1,509 | 22.65% |
| Urbana city | 36,395 | 39,641 | 3,246 | 8.92% |
| Ursa village | 595 | 585 | -10 | -1.68% |
| Valier village | 662 | 664 | 2 | 0.30% |
| Valley City village | 14 | 13 | -1 | -7.14% |
| Valmeyer village | 608 | 1,164 | 556 | 91.45% |
| Vandalia city | 6,975 | 6,321 | -654 | -9.38% |
| Varna village | 436 | 410 | -26 | -5.96% |
| Venedy village | 137 | 131 | -6 | -4.38% |
| Venice city | 2,528 | 2,421 | -107 | -4.23% |
| Vergennes village | 491 | 321 | -170 | -34.62% |
| Vermilion village | 239 | 219 | -20 | -8.37% |
| Vermont village | 792 | 751 | -41 | -5.18% |
| Vernon Hills village | 20,120 | 24,462 | 4,342 | 21.58% |
| Vernon village | 178 | 170 | -8 | -4.49% |
| Verona village | 257 | 258 | 1 | 0.39% |
| Versailles village | 567 | 527 | -40 | -7.05% |
| Victoria village | 323 | 293 | -30 | -9.29% |
| Vienna city | 1,234 | 1,282 | 48 | 3.89% |
| Villa Grove city | 2,553 | 2,449 | -104 | -4.07% |
| Villa Park village | 22,075 | 22,198 | 123 | 0.56% |
| Viola village | 956 | 928 | -28 | -2.93% |
| Virden city | 3,488 | 3,364 | -124 | -3.56% |
| Virgil village | 266 | 308 | 42 | 15.79% |
| Virginia city | 1,728 | 1,664 | -64 | -3.70% |
| Volo village | 180 | 803 | 623 | 346.11% |
| Wadsworth village | 3,083 | 3,829 | 746 | 24.20% |
| Waggoner village | 245 | 238 | -7 | -2.86% |
| Walnut Hill village | 109 | 104 | -5 | -4.59% |
| Walnut village | 1,461 | 1,400 | -61 | -4.18% |
| Walshville village | 89 | 86 | -3 | -3.37% |
| Waltonville village | 422 | 428 | 6 | 1.42% |
| Wamac city | 1,378 | 1,270 | -108 | -7.84% |
| Wapella village | 651 | 638 | -13 | -2.00% |
| Warren village | 1,496 | 1,370 | -126 | -8.42% |
| Warrensburg village | 1,289 | 1,172 | -117 | -9.08% |
| Warrenville city | 13,363 | 13,033 | -330 | -2.47% |
| Warsaw city | 1,793 | 1,603 | -190 | -10.60% |
| Washburn village | 1,147 | 1,100 | -47 | -4.10% |
| Washington city | 10,841 | 13,942 | 3,101 | 28.60% |
| Washington Park village | 5,345 | 5,558 | 213 | 3.99% |
| Wataga village | 857 | 787 | -70 | -8.17% |
| Waterloo city | 7,614 | 9,813 | 2,199 | 28.88% |
| Waterman village | 1,224 | 1,527 | 303 | 24.75% |
| Watseka city | 5,670 | 5,481 | -189 | -3.33% |
| Watson village | 729 | 743 | 14 | 1.92% |
| Wauconda village | 9,448 | 12,219 | 2,771 | 29.33% |
| Waukegan city | 87,901 | 90,788 | 2,887 | 3.28% |
| Waverly city | 1,346 | 1,235 | -111 | -8.25% |
| Wayne City village | 1,089 | 1,059 | -30 | -2.75% |
| Wayne village | 2,137 | 2,394 | 257 | 12.03% |
| Waynesville village | 452 | 429 | -23 | -5.09% |
| Weldon village | 440 | 417 | -23 | -5.23% |
| Wellington village | 264 | 263 | -1 | -0.38% |
| Wenona city | 1,065 | 1,043 | -22 | -2.07% |
| Wenonah village | 44 | 43 | -1 | -2.27% |
| West Brooklyn village | 174 | 167 | -7 | -4.02% |
| West Chicago city | 23,469 | 26,454 | 2,985 | 12.72% |
| West City village | 716 | 762 | 46 | 6.42% |
| West Dundee village | 5,428 | 7,975 | 2,547 | 46.92% |
| West Frankfort city | 8,196 | 8,190 | -6 | -0.07% |
| West Peoria city | 4,762 | 4,456 | -306 | -6.43% |
| West Point village | 195 | 180 | -15 | -7.69% |
| West Salem village | 1,001 | 937 | -64 | -6.39% |
| Westchester village | 16,824 | 15,710 | -1,114 | -6.62% |
| Western Springs village | 12,493 | 12,690 | 197 | 1.58% |
| Westfield village | 678 | 658 | -20 | -2.95% |
| Westmont village | 24,554 | 24,979 | 425 | 1.73% |
| Westville village | 3,175 | 3,001 | -174 | -5.48% |
| Wheaton city | 55,416 | 54,465 | -951 | -1.72% |
| Wheeler village | 119 | 114 | -5 | -4.20% |
| Wheeling village | 34,496 | 36,063 | 1,567 | 4.54% |
| White City village | 221 | 222 | 1 | 0.45% |
| White Hall city | 2,629 | 2,455 | -174 | -6.62% |
| Whiteash village | 268 | 273 | 5 | 1.87% |
| Williamsfield village | 620 | 573 | -47 | -7.58% |
| Williamson village | 251 | 244 | -7 | -2.79% |
| Williamsville village | 1,439 | 1,388 | -51 | -3.54% |
| Willisville village | 694 | 686 | -8 | -1.15% |
| Willow Hill village | 250 | 232 | -18 | -7.20% |
| Willow Springs village | 5,027 | 5,898 | 871 | 17.33% |
| Willowbrook village | 8,967 | 8,739 | -228 | -2.54% |
| Wilmette village | 27,651 | 26,418 | -1,233 | -4.46% |
| Wilmington city | 5,134 | 6,122 | 988 | 19.24% |
| Wilmington village | 120 | 112 | -8 | -6.67% |
| Wilsonville village | 604 | 580 | -24 | -3.97% |
| Winchester city | 1,650 | 1,548 | -102 | -6.18% |
| Windsor city | 1,125 | 1,030 | -95 | -8.44% |
| Windsor village | 720 | 681 | -39 | -5.42% |
| Winfield village | 8,718 | 9,984 | 1,266 | 14.52% |
| Winnebago village | 2,958 | 3,216 | 258 | 8.72% |
| Winnetka village | 12,419 | 12,371 | -48 | -0.39% |
| Winslow village | 345 | 326 | -19 | -5.51% |
| Winthrop Harbor village | 6,670 | 7,210 | 540 | 8.10% |
| Witt city | 991 | 959 | -32 | -3.23% |
| Wonder Lake village | 1,345 | 3,878 | 2,533 | 188.33% |
| Wood Dale city | 13,535 | 13,855 | 320 | 2.36% |
| Wood River city | 11,296 | 10,973 | -323 | -2.86% |
| Woodhull village | 809 | 790 | -19 | -2.35% |
| Woodland village | 319 | 305 | -14 | -4.39% |
| Woodlawn village | 630 | 722 | 92 | 14.60% |
| Woodridge village | 30,934 | 34,130 | 3,196 | 10.33% |
| Woodson village | 559 | 540 | -19 | -3.40% |
| Woodstock city | 20,151 | 23,930 | 3,779 | 18.75% |
| Worden village | 905 | 1,037 | 132 | 14.59% |
| Worth village | 11,047 | 10,426 | -621 | -5.62% |
| Wyanet village | 1,028 | 987 | -41 | -3.99% |
| Wyoming city | 1,424 | 1,394 | -30 | -2.11% |
| Xenia village | 407 | 394 | -13 | -3.19% |
| Yale village | 97 | 92 | -5 | -5.15% |
| Yates City village | 725 | 667 | -58 | -8.00% |
| Yorkville city | 6,189 | 16,505 | 10,316 | 166.68% |
| Zeigler city | 1,669 | 1,665 | -4 | -0.24% |
| Zion city | 22,866 | 25,161 | 2,295 | 10.04% |
Source: Population Division, U.S. Census Bureau