Total Population in Plymouth County, MA
ACS 2024 5-Year Estimates
535,075
Rank #135/3,222 · #7 in MA
96th
Plymouth 535,075
MA 7,044,056 -92.4%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Plymouth County's total population of 535,075 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Plymouth County for total population.
Nearby Rankings
Full ranking →| #132 | Ramsey County, MN | 542,945 |
| #133 | Summit County, OH | 537,864 |
| #134 | Montgomery County, OH | 536,096 |
| #135 | Plymouth County, MA | 535,075 |
| #136 | Adams County, CO | 530,225 |
| #137 | Sedgwick County, KS | 528,226 |
| #138 | Camden County, NJ | 527,257 |
About Total Population
Plymouth County, Massachusetts has a total population of 535,075, ranking #135 of 3,222 counties nationwide — 99.8% below the national value of 330M. Within Massachusetts, it ranks #7 of 14. This places it in the 96th percentile nationally.
Total population count from the American Community Survey. 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.