Median Age in Decatur County, IN
ACS 2024 5-Year Estimates
How Decatur County Compares
National Distribution
Where Decatur County falls among all 3,222 U.S. counties for median age.
■ Decatur County: 39.8 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,165 | Seminole County, FL | 39.8 years |
| #2,166 | Thomas County, GA | 39.8 years |
| #2,167 | Honolulu County, HI | 39.8 years |
| #2,168 | Decatur County, IN | 39.8 years |
| #2,169 | Marshall County, IN | 39.8 years |
| #2,170 | Wells County, IN | 39.8 years |
| #2,171 | Barren County, KY | 39.8 years |
Median Age in Decatur County, Indiana
Decatur County, Indiana has a median age of 39.8 years, which ranks #2,168 of 3,222 out of 3,222 counties nationwide. This is 2.3% above the national value of 38.9 years.
Within Indiana, Decatur County ranks #63 of 92 out of 92 counties. This places it in the 33th 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.