Median Age in De Witt County, IL
ACS 2024 5-Year Estimates
43.7 years
Rank #1,005/3,222 · #32 in IL
69th
De Witt 43.7 years
IL 39.0 years +12.1%
US 38.9 years +12.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How De Witt County's median age of 43.7 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 De Witt County for median age.
Nearby Rankings
Full ranking →| #1,002 | Holmes County, FL | 43.7 years |
| #1,003 | Johnson County, GA | 43.7 years |
| #1,004 | Boundary County, ID | 43.7 years |
| #1,005 | De Witt County, IL | 43.7 years |
| #1,006 | Jersey County, IL | 43.7 years |
| #1,007 | Randolph County, IL | 43.7 years |
| #1,008 | Pike County, IN | 43.7 years |
About Median Age
De Witt County, Illinois has a median age of 43.7 years, ranking #1,005 of 3,222 counties nationwide — 12.3% above the national value of 38.9 years. Within Illinois, it ranks #32 of 102. This places it in the 69th 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.