Median Age in Dallas County, TX
ACS 2024 5-Year Estimates
34.1 years
Rank #3,028/3,222 · #214 in TX
6th
Dallas 34.1 years
TX 35.6 years -4.2%
US 38.9 years -12.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Dallas County's median age of 34.1 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 Dallas County for median age.
Nearby Rankings
Full ranking →| #3,025 | Faulkner County, AR | 34.1 years |
| #3,026 | East Baton Rouge Parish, LA | 34.1 years |
| #3,027 | Comanche County, OK | 34.1 years |
| #3,028 | Dallas County, TX | 34.1 years |
| #3,029 | Hays County, TX | 34.1 years |
| #3,030 | Duchesne County, UT | 34.1 years |
| #3,031 | Lee County, AL | 34.0 years |
About Median Age
Dallas County, Texas has a median age of 34.1 years, ranking #3,028 of 3,222 counties nationwide — 12.3% below the national value of 38.9 years. Within Texas, it ranks #214 of 254. This places it in the 6th 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.