Median Age in King County, TX
ACS 2024 5-Year Estimates
49.4 years
Rank #261/3,222 · #20 in TX
92th
King 49.4 years
TX 35.6 years +38.8%
US 38.9 years +27.0%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How King County's median age of 49.4 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 King County for median age.
Nearby Rankings
Full ranking →| #258 | Lake County, MN | 49.4 years |
| #259 | Rock County, NE | 49.4 years |
| #260 | Pike County, PA | 49.4 years |
| #261 | King County, TX | 49.4 years |
| #262 | Carroll County, VA | 49.4 years |
| #263 | King and Queen County, VA | 49.3 years |
| #264 | Forest County, WI | 49.3 years |
About Median Age
King County, Texas has a median age of 49.4 years, ranking #261 of 3,222 counties nationwide — 27.0% above the national value of 38.9 years. Within Texas, it ranks #20 of 254. This places it in the 92th 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.