Median Age in Frederick County, MD
ACS 2024 5-Year Estimates
39.0 years
Rank #2,387/3,222 · #18 in MD
26th
Frederick 39.0 years
MD 39.4 years -1.0%
US 38.9 years +0.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Frederick County's median age of 39.0 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 Frederick County for median age.
Nearby Rankings
Full ranking →| #2,384 | McCreary County, KY | 39.0 years |
| #2,385 | Avoyelles Parish, LA | 39.0 years |
| #2,386 | Anne Arundel County, MD | 39.0 years |
| #2,387 | Frederick County, MD | 39.0 years |
| #2,388 | Carver County, MN | 39.0 years |
| #2,389 | Howard County, MO | 39.0 years |
| #2,390 | Yellowstone County, MT | 39.0 years |
About Median Age
Frederick County, Maryland has a median age of 39.0 years, ranking #2,387 of 3,222 counties nationwide — 0.3% above the national value of 38.9 years. Within Maryland, it ranks #18 of 24. This places it in the 26th 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.