Median Age in Henderson County, IL
ACS 2024 5-Year Estimates
50.2 years
Rank #211/3,222 · #4 in IL
93th
Henderson 50.2 years
IL 39.0 years +28.7%
US 38.9 years +29.0%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Henderson County's median age of 50.2 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Henderson County for median age.
Nearby Rankings
Full ranking →| #208 | Coos County, NH | 50.3 years |
| #209 | Logan County, ND | 50.3 years |
| #210 | Kinney County, TX | 50.3 years |
| #211 | Henderson County, IL | 50.2 years |
| #212 | Arenac County, MI | 50.2 years |
| #213 | Waushara County, WI | 50.2 years |
| #214 | Hormigueros Municipio, PR | 50.2 years |
About Median Age
Henderson County, Illinois has a median age of 50.2 years, ranking #211 of 3,222 counties nationwide — 29.0% above the national value of 38.9 years. Within Illinois, it ranks #4 of 102. This places it in the 93th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.