Median Age in Madison County, IL
ACS 2024 5-Year Estimates
How Madison County Compares
National Distribution
Where Madison County falls among all 3,222 U.S. counties for median age.
■ Madison County: 40.2 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,051 | Cherokee County, GA | 40.2 years |
| #2,052 | Pierce County, GA | 40.2 years |
| #2,053 | DuPage County, IL | 40.2 years |
| #2,054 | Madison County, IL | 40.2 years |
| #2,055 | Gibson County, IN | 40.2 years |
| #2,056 | Cloud County, KS | 40.2 years |
| #2,057 | Clay County, KY | 40.2 years |
Median Age in Madison County, Illinois
Madison County, Illinois has a median age of 40.2 years, which ranks #2,054 of 3,222 out of 3,222 counties nationwide. This is 3.3% above the national value of 38.9 years.
Within Illinois, Madison County ranks #79 of 102 out of 102 counties. This places it in the 36th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.