Iroquois County IL Information


Iroquois County Subdivisions

Iroquois County IL Data & Demographics (As of July 1, 2018)


Total Population 28,846
Population in Households 28,378
Population in Familes 23,341
Population in Group Qrtrs 468
Population Density2 26
Diversity Index3 26


Median Household Income $52,574
Average Household Income $68,430
Per Capita Income $27,848


Total Housing Units 13,452 (100%)
Owner Occupied HU 8,860 (65.9%)
Renter Occupied HU 2,820 (21.0%)
Vacant Housing Units 1,772 (13.2%)
Median Home Value $112,996
Average Home Value $139,391


Total Households 11,680
Average Household Size 2.43
Family Households 7,878
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population -0.36% -0.63%
Households -0.28% -0.58%
Families -0.45% -0.68%
Median Household Income   1.05%
Per Capita Income   1.89%


Iroquois County IL - Peer Comparisons by Rank and Percentile

The table below compares Iroquois County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2018 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 # 51 51st
Population Density # 86 18th
Diversity Index # 40 62nd
Median Household Income # 38 64th
Per Capita Income # 40 62nd

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