Median Age in Jefferson County, TX
ACS 2024 5-Year Estimates
37.0 years
Rank #2,755/3,222 · #168 in TX
14th
Jefferson 37.0 years
TX 35.6 years +3.9%
US 38.9 years -4.9%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Jefferson County's median age of 37.0 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 →| #2,752 | Bryan County, OK | 37.0 years |
| #2,753 | Bastrop County, TX | 37.0 years |
| #2,754 | Denton County, TX | 37.0 years |
| #2,755 | Jefferson County, TX | 37.0 years |
| #2,756 | San Patricio County, TX | 37.0 years |
| #2,757 | Terry County, TX | 37.0 years |
| #2,758 | Pierce County, WA | 37.0 years |
About Median Age
Jefferson County, Texas has a median age of 37.0 years, ranking #2,755 of 3,222 counties nationwide — 4.9% below the national value of 38.9 years. Within Texas, it ranks #168 of 254. This places it in the 14th 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.