Union County IL Information


Union County Subdivisions

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


Total Population 18,197
Population in Households 17,631
Population in Familes 14,331
Population in Group Qrtrs 566
Population Density1 44
Diversity Index2 21


Total Households 7,228
Average Household Size 2.44
Family Households 4,830
Average Family Size 3


Total Housing Units 8,057 (100%)
Owner Occupied HU 5,331 (66.2%)
Renter Occupied HU 1,897 (23.5%)
Vacant Housing Units 829 (10.3%)
Median Home Value $96,433
Average Home Value $132,733


Median Household Income $41,575
Average Household Income $55,255
Per Capita Income $22,216
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.35% 0.14%
Households 0.14% 0.03%
Families -0.02% -0.07%
Median Household Income   1.17%
Per Capita Income   1.52%
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.


Union County IL - Peer Comparisons by Rank and Percentile

The table below compares Union 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 # 61 41st
Population Density1 # 57 45th
Diversity Index2 # 50 52nd
Median Household Income # 83 20th
Per Capita Income # 87 16th

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