Median Age in Plymouth County, MA
ACS 2024 5-Year Estimates
How Plymouth County Compares
National Distribution
Where Plymouth County falls among all 3,222 U.S. counties for median age.
■ Plymouth County: 43.0 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,206 | Posey County, IN | 43.0 years |
| #1,207 | Garrard County, KY | 43.0 years |
| #1,208 | St. Helena Parish, LA | 43.0 years |
| #1,209 | Plymouth County, MA | 43.0 years |
| #1,210 | Red Lake County, MN | 43.0 years |
| #1,211 | Cedar County, MO | 43.0 years |
| #1,212 | Crawford County, MO | 43.0 years |
Median Age in Plymouth County, Massachusetts
Plymouth County, Massachusetts has a median age of 43.0 years, which ranks #1,209 of 3,222 out of 3,222 counties nationwide. This is 10.5% above the national value of 38.9 years.
Within Massachusetts, Plymouth County ranks #5 of 14 out of 14 counties. This places it in the 62th 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.