Median Age in Jefferson County, KS
ACS 2024 5-Year Estimates
44.2 years
Rank #889/3,222 · #28 in KS
72th
Jefferson 44.2 years
KS 37.4 years +18.2%
US 38.9 years +13.6%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Jefferson County's median age of 44.2 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 Jefferson County for median age.
Nearby Rankings
Full ranking →| #886 | Washington County, IL | 44.2 years |
| #887 | Kossuth County, IA | 44.2 years |
| #888 | Edwards County, KS | 44.2 years |
| #889 | Jefferson County, KS | 44.2 years |
| #890 | Greenup County, KY | 44.2 years |
| #891 | Oceana County, MI | 44.2 years |
| #892 | Ontario County, NY | 44.2 years |
About Median Age
Jefferson County, Kansas has a median age of 44.2 years, ranking #889 of 3,222 counties nationwide — 13.6% above the national value of 38.9 years. Within Kansas, it ranks #28 of 105. This places it in the 72th 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.