Median Age in Decatur County, KS
ACS 2024 5-Year Estimates
50.1 years
Rank #219/3,222 · #3 in KS
93th
Decatur 50.1 years
KS 37.4 years +34.0%
US 38.9 years +28.8%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Decatur County's median age of 50.1 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 Decatur County for median age.
Nearby Rankings
Full ranking →| #216 | Nevada County, CA | 50.1 years |
| #217 | Franklin County, FL | 50.1 years |
| #218 | Rabun County, GA | 50.1 years |
| #219 | Decatur County, KS | 50.1 years |
| #220 | Nelson County, ND | 50.1 years |
| #221 | Gilliam County, OR | 50.1 years |
| #222 | Rincón Municipio, PR | 50.1 years |
About Median Age
Decatur County, Kansas has a median age of 50.1 years, ranking #219 of 3,222 counties nationwide — 28.8% above the national value of 38.9 years. Within Kansas, it ranks #3 of 105. 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.