Henry County IL Information


Henry County Subdivisions

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


Total Population 49,726
Population in Households 49,002
Population in Familes 40,596
Population in Group Qrtrs 724
Population Density2 60
Diversity Index3 23


Median Household Income $53,419
Average Household Income $71,256
Per Capita Income $29,502


Total Housing Units 22,236 (100%)
Owner Occupied HU 15,968 (71.8%)
Renter Occupied HU 4,262 (19.2%)
Vacant Housing Units 2,006 ( 9.0%)
Median Home Value $114,160
Average Home Value $153,737


Total Households 20,230
Average Household Size 2.42
Family Households 13,867
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 -0.18% -0.26%
Households -0.09% -0.2%
Families -0.24% -0.3%
Median Household Income   1.84%
Per Capita Income   2.76%


Henry County IL - Peer Comparisons by Rank and Percentile

The table below compares Henry 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 # 31 71st
Population Density # 43 59th
Diversity Index # 47 55th
Median Household Income # 32 70th
Per Capita Income # 29 73rd

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