Median Age in District of Columbia, DC
ACS 2024 5-Year Estimates
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How District of Columbia's median age of 34.9 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 District of Columbia for median age.
Nearby Rankings
Full ranking →| #2,970 | San Juan County, UT | 35.0 years |
| #2,971 | Graham County, AZ | 34.9 years |
| #2,972 | Stanislaus County, CA | 34.9 years |
| #2,973 | District of Columbia, DC | 34.9 years |
| #2,974 | Randolph County, GA | 34.9 years |
| #2,975 | Canyon County, ID | 34.9 years |
| #2,976 | Minidoka County, ID | 34.9 years |
About Median Age
District of Columbia, District of Columbia has a median age of 34.9 years, ranking #2,973 of 3,222 counties nationwide — 10.3% below the national value of 38.9 years. Within District of Columbia, it ranks #1 of 1. This places it in the 8th 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.