Madison County IL Information


Madison County Subdivisions

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


Total Population 269,152
Population in Households 265,326
Population in Familes 212,528
Population in Group Qrtrs 3,826
Population Density2 376
Diversity Index3 29


Median Household Income $54,842
Average Household Income $74,159
Per Capita Income $30,340


Total Housing Units 118,787 (100%)
Owner Occupied HU 76,520 (64.4%)
Renter Occupied HU 32,020 (27.0%)
Vacant Housing Units 10,247 ( 8.6%)
Median Home Value $134,526
Average Home Value $163,691


Total Households 108,540
Average Household Size 2.44
Family Households 71,011
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 -0.01% -0.01%
Households 0.05% 0.03%
Families -0.13% -0.09%
Median Household Income   1.5%
Per Capita Income   2.42%


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, 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 # 8 93rd
Population Density # 10 91st
Diversity Index # 36 66th
Median Household Income # 27 75th
Per Capita Income # 20 81st

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