Will County IL Information


Will County Subdivisions

Will County IL Data & Demographics (As of July 1, 2016)


Total Population 694,021
Population in Households 685,457
Population in Familes 605,403
Population in Group Qrtrs 8,564
Population Density1 829
Diversity Index2 60


Total Households 229,728
Average Household Size 2.98
Family Households 176,289
Average Family Size 3


Total Housing Units 243,730 (100%)
Owner Occupied HU 186,718 (76.6%)
Renter Occupied HU 43,010 (17.6%)
Vacant Housing Units 14,002 ( 5.7%)
Median Home Value $229,150
Average Home Value $270,751


Median Household Income $79,051
Average Household Income $96,565
Per Capita Income $32,300
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.38% 0.37%
Households 0.32% 0.32%
Families 0.2% 0.25%
Median Household Income   2.03%
Per Capita Income   1.51%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Will County IL - Peer Comparisons by Rank and Percentile

The table below compares Will County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 4 97th
Population Density1 # 5 96th
Diversity Index2 # 4 97th
Median Household Income # 4 97th
Per Capita Income # 6 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.