Median Age in Clay County, IL
ACS 2024 5-Year Estimates
How Clay County Compares
National Distribution
Where Clay County falls among all 3,222 U.S. counties for median age.
■ Clay County: 40.4 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,978 | Clay County, FL | 40.4 years |
| #1,979 | Candler County, GA | 40.4 years |
| #1,980 | Macon County, GA | 40.4 years |
| #1,981 | Clay County, IL | 40.4 years |
| #1,982 | Woodford County, IL | 40.4 years |
| #1,983 | Huntington County, IN | 40.4 years |
| #1,984 | Montgomery County, IN | 40.4 years |
Median Age in Clay County, Illinois
Clay County, Illinois has a median age of 40.4 years, which ranks #1,981 of 3,222 out of 3,222 counties nationwide. This is 3.9% above the national value of 38.9 years.
Within Illinois, Clay County ranks #75 of 102 out of 102 counties. This places it in the 39th 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.