Adams County IL Information


Adams County Subdivisions

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


Total Population 68,212
Population in Households 65,925
Population in Familes 52,395
Population in Group Qrtrs 2,287
Population Density1 80
Diversity Index2 16


Total Households 27,729
Average Household Size 2.38
Family Households 17,716
Average Family Size 3


Total Housing Units 30,469 (100%)
Owner Occupied HU 19,380 (63.6%)
Renter Occupied HU 8,349 (27.4%)
Vacant Housing Units 2,740 ( 9.0%)
Median Home Value $111,364
Average Home Value $141,674


Median Household Income $46,576
Average Household Income $61,764
Per Capita Income $25,449
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.26% 0.18%
Households 0.21% 0.14%
Families 0.04% 0.03%
Median Household Income   1.52%
Per Capita Income   1.57%
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.


Adams County IL - Peer Comparisons by Rank and Percentile

The table below compares Adams 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 # 23 78th
Population Density1 # 32 70th
Diversity Index2 # 60 42nd
Median Household Income # 52 50th
Per Capita Income # 47 55th

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