Warren County IL Information


Warren County Subdivisions

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  1. Warren County 2018 Demographic Data
  2. Growth Rates forWarren County (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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


Total Population 17,113
Population in Households 16,103
Population in Familes 12,998
Population in Group Qrtrs 1,010
Population Density2 32
Diversity Index3 36


Median Household Income $47,366
Average Household Income $59,020
Per Capita Income $23,562


Total Housing Units 7,682 (100%)
Owner Occupied HU 5,087 (66.2%)
Renter Occupied HU 1,677 (21.8%)
Vacant Housing Units 918 (12.0%)
Median Home Value $92,741
Average Home Value $129,187


Total Households 6,764
Average Household Size 2.38
Family Households 4,450
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population -0.41% -0.63%
Households -0.27% -0.61%
Families -0.45% -0.72%
Median Household Income   0.88%
Per Capita Income   1.41%


Warren County IL - Peer Comparisons by Rank and Percentile

The table below compares Warren 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 # 65 37th
Population Density # 75 27th
Diversity Index # 24 77th
Median Household Income # 69 33rd
Per Capita Income # 90 13th

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

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Illinois Census Data Comparison Tool

Compare Illinois July 1, 2018 Data
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