Lee County IL Information


Lee County Subdivisions

Lee County IL Data & Demographics (As of July 1, 2017)


Total Population 35,887
Daytime Population: Workers 15,355
Daytime Population: Residents 17,098
Total Daytime Population (TDP) 32,453
Ratio TDP/Total Population1 0.90
Population in Households 32,835
Population in Familes 26,196
Population in Group Qrtrs 3,052
Population Density2 50
Diversity Index3 26


Median Household Income $50,303
Average Household Income $67,244
Per Capita Income $26,661


Total Housing Units 15,283 (100%)
Owner Occupied HU 9,901 (64.8%)
Renter Occupied HU 3,849 (25.2%)
Vacant Housing Units 1,533 (10.0%)
Median Home Value $125,726
Average Home Value $158,191


Total Households 13,750
Average Household Size 2.39
Family Households 8,949
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 -0.06% -0.45%
Households -0.01% -0.41%
Families -0.18% -0.53%
Median Household Income   1.37%
Per Capita Income   2.94%


Lee County IL - Peer Comparisons by Rank and Percentile

The table below compares Lee County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2017 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 # 40 62nd
Population Density # 49 53rd
Diversity Index # 40 61st
Median Household Income # 43 59th
Per Capita Income # 44 58th

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