Madison County IL Information


Madison County Subdivisions

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


Total Population 268,295
Daytime Population: Workers 113,765
Daytime Population: Residents 136,155
Total Daytime Population (TDP) 249,920
Ratio TDP/Total Population1 0.93
Population in Households 264,469
Population in Familes 211,091
Population in Group Qrtrs 3,826
Population Density2 375
Diversity Index3 29


Median Household Income $53,873
Average Household Income $72,279
Per Capita Income $29,489


Total Housing Units 119,039 (100%)
Owner Occupied HU 75,593 (63.5%)
Renter Occupied HU 32,250 (27.1%)
Vacant Housing Units 11,196 ( 9.4%)
Median Home Value $125,893
Average Home Value $155,710


Total Households 107,843
Average Household Size 2.45
Family Households 70,726
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 -0.05% -0.1%
Households -0.03% -0.09%
Families -0.2% -0.2%
Median Household Income   1.12%
Per Capita Income   2.35%


Madison County IL - Peer Comparisons by Rank and Percentile

The table below compares Madison 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 # 9 92nd
Population Density # 10 91st
Diversity Index # 37 65th
Median Household Income # 24 77th
Per Capita Income # 18 83rd

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