Median Age in DeKalb County, AL
ACS 2024 5-Year Estimates
39.5 years
Rank #2,247/3,222 · #49 in AL
30th
DeKalb 39.5 years
AL 39.3 years +0.5%
US 38.9 years +1.5%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How DeKalb County's median age of 39.5 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 DeKalb County for median age.
Nearby Rankings
Full ranking →| #2,244 | Lehigh County, PA | 39.6 years |
| #2,245 | Davison County, SD | 39.6 years |
| #2,246 | Gibson County, TN | 39.6 years |
| #2,247 | DeKalb County, AL | 39.5 years |
| #2,248 | Elmore County, AL | 39.5 years |
| #2,249 | Navajo County, AZ | 39.5 years |
| #2,250 | Kit Carson County, CO | 39.5 years |
About Median Age
DeKalb County, Alabama has a median age of 39.5 years, ranking #2,247 of 3,222 counties nationwide — 1.5% above the national value of 38.9 years. Within Alabama, it ranks #49 of 67. This places it in the 30th 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.