Median Age in Calvert County, MD
ACS 2024 5-Year Estimates
40.8 years
Rank #1,864/3,222 · #9 in MD
42th
Calvert 40.8 years
MD 39.4 years +3.6%
US 38.9 years +4.9%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Calvert County's median age of 40.8 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 Calvert County for median age.
Nearby Rankings
Full ranking →| #1,861 | Franklin County, KY | 40.8 years |
| #1,862 | Jackson County, KY | 40.8 years |
| #1,863 | St. James Parish, LA | 40.8 years |
| #1,864 | Calvert County, MD | 40.8 years |
| #1,865 | Chisago County, MN | 40.8 years |
| #1,866 | Watonwan County, MN | 40.8 years |
| #1,867 | Marion County, MS | 40.8 years |
About Median Age
Calvert County, Maryland has a median age of 40.8 years, ranking #1,864 of 3,222 counties nationwide — 4.9% above the national value of 38.9 years. Within Maryland, it ranks #9 of 24. This places it in the 42th 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.