Median Age in Williamson County, TX
ACS 2024 5-Year Estimates
37.3 years
Rank #2,713/3,222 · #160 in TX
16th
Williamson 37.3 years
TX 35.6 years +4.8%
US 38.9 years -4.1%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Williamson County's median age of 37.3 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 Williamson County for median age.
Nearby Rankings
Full ranking →| #2,710 | Fort Bend County, TX | 37.3 years |
| #2,711 | Lynn County, TX | 37.3 years |
| #2,712 | Martin County, TX | 37.3 years |
| #2,713 | Williamson County, TX | 37.3 years |
| #2,714 | Chittenden County, VT | 37.3 years |
| #2,715 | Chatham County, GA | 37.2 years |
| #2,716 | Colquitt County, GA | 37.2 years |
About Median Age
Williamson County, Texas has a median age of 37.3 years, ranking #2,713 of 3,222 counties nationwide — 4.1% below the national value of 38.9 years. Within Texas, it ranks #160 of 254. This places it in the 16th 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.