Median Age in Riley County, KS
ACS 2024 5-Year Estimates
25.5 years
Rank #3,211/3,222 · #105 in KS
0th
Riley 25.5 years
KS 37.4 years -31.8%
US 38.9 years -34.4%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Riley County's median age of 25.5 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 Riley County for median age.
Nearby Rankings
Full ranking →| #3,208 | Cache County, UT | 26.2 years |
| #3,209 | Jim Hogg County, TX | 26.1 years |
| #3,210 | Utah County, UT | 25.8 years |
| #3,211 | Riley County, KS | 25.5 years |
| #3,212 | Oktibbeha County, MS | 25.5 years |
| #3,213 | Todd County, SD | 25.5 years |
| #3,214 | Harrisonburg city, VA | 25.0 years |
About Median Age
Riley County, Kansas has a median age of 25.5 years, ranking #3,211 of 3,222 counties nationwide — 34.4% below the national value of 38.9 years. Within Kansas, it ranks #105 of 105. This places it in the 0th 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.