Median Age in Middlesex County, MA
ACS 2024 5-Year Estimates
How Middlesex County Compares
National Distribution
Where Middlesex County falls among all 3,222 U.S. counties for median age.
■ Middlesex County: 38.9 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,399 | McDuffie County, GA | 38.9 years |
| #2,400 | Payette County, ID | 38.9 years |
| #2,401 | Charles County, MD | 38.9 years |
| #2,402 | Middlesex County, MA | 38.9 years |
| #2,403 | Buchanan County, MO | 38.9 years |
| #2,404 | Carter County, MO | 38.9 years |
| #2,405 | New York County, NY | 38.9 years |
Median Age in Middlesex County, Massachusetts
Middlesex County, Massachusetts has a median age of 38.9 years, which ranks #2,402 of 3,222 out of 3,222 counties nationwide. This is 0.0% below the national value of 38.9 years.
Within Massachusetts, Middlesex County ranks #12 of 14 out of 14 counties. This places it in the 25th 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.