Median Age in Baltimore County, MD
ACS 2024 5-Year Estimates
How Baltimore County Compares
National Distribution
Where Baltimore County falls among all 3,222 U.S. counties for median age.
■ Baltimore County: 39.7 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,199 | Knox County, KY | 39.7 years |
| #2,200 | St. Charles Parish, LA | 39.7 years |
| #2,201 | St. Mary Parish, LA | 39.7 years |
| #2,202 | Baltimore County, MD | 39.7 years |
| #2,203 | Lauderdale County, MS | 39.7 years |
| #2,204 | Tallahatchie County, MS | 39.7 years |
| #2,205 | Webster County, MS | 39.7 years |
Median Age in Baltimore County, Maryland
Baltimore County, Maryland has a median age of 39.7 years, which ranks #2,202 of 3,222 out of 3,222 counties nationwide. This is 2.1% above the national value of 38.9 years.
Within Maryland, Baltimore County ranks #16 of 24 out of 24 counties. This places it in the 32th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.