Median Age in Washington County, KS
ACS 2024 5-Year Estimates
43.4 years
Rank #1,092/3,222 · #34 in KS
66th
Washington 43.4 years
KS 37.4 years +16.0%
US 38.9 years +11.6%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Washington County's median age of 43.4 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 Washington County for median age.
Nearby Rankings
Full ranking →| #1,089 | Greene County, IL | 43.4 years |
| #1,090 | Delaware County, IA | 43.4 years |
| #1,091 | Keokuk County, IA | 43.4 years |
| #1,092 | Washington County, KS | 43.4 years |
| #1,093 | Perry County, MS | 43.4 years |
| #1,094 | Tishomingo County, MS | 43.4 years |
| #1,095 | Barry County, MO | 43.4 years |
About Median Age
Washington County, Kansas has a median age of 43.4 years, ranking #1,092 of 3,222 counties nationwide — 11.6% above the national value of 38.9 years. Within Kansas, it ranks #34 of 105. This places it in the 66th 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.