Plymouth County, Massachusetts
Plymouth County, Massachusetts, had an estimated population of 546,829 in 2025 across 1,706 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Massachusetts's counties and nationally.
- Population
- 546,829
- 2025 estimate
- Area
- 1,706 km²
- Density
- 321
- per km²
- Median income
- $114,201
- household, ACS 2024
- Median age
- 43
- years, ACS 2024
How Massachusetts's counties spread
Amenities & Infrastructure
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Households with Broadband2024 | 92.9% | 6 / 14 | 283 / 3,144 |
| Median Gross Rent2024 | $1,747 | 6 / 14 | 117 / 3,137 |
| Median Home Value2024 | $556,000 | 8 / 14 | 99 / 3,139 |
| Owner-Occupied Homes2024 | 77.6% | 3 / 14 | 1,012 / 3,144 |
| Vacant Homes2024 | 6.9% | 8 / 14 | 2,702 / 3,144 |
Demography
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 19.8% | 5 / 14 | 1,624 / 3,144 |
| American Indian & Alaska Native2024 | 0.1% | 3 / 14 | 1,566 / 3,144 |
| Asian, non-Hispanic2024 | 1.7% | 11 / 14 | 618 / 3,144 |
| Average Household Size2024people | 2.6 | 3 / 14 | 692 / 3,144 |
| Black, non-Hispanic2024 | 7.8% | 3 / 14 | 862 / 3,144 |
| Foreign-Born2024 | 11.2% | 9 / 14 | 317 / 3,144 |
| Hispanic or Latino2024 | 4.9% | 12 / 14 | 1,615 / 3,144 |
| Median Age2024years | 43 | 5 / 14 | 1,135 / 3,144 |
| Sex Ratio2024per 1,000 males | 1,044 | 9 / 14 | 584 / 3,144 |
| Speak a Language Other Than English2024 | 14.7% | 9 / 14 | 599 / 3,144 |
| Under 182024 | 20.7% | 3 / 14 | 2,023 / 3,144 |
| Veterans2024 | 5.7% | 6 / 14 | 2,487 / 3,144 |
| White, non-Hispanic2024 | 76.1% | 6 / 14 | 1,789 / 3,144 |
Economy
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 7.1% | 11 / 14 | 2,912 / 3,144 |
| Households on SNAP2024 | 12.7% | 8 / 14 | 1,391 / 3,144 |
| Income Inequality2024index | 0.463 | 11 / 14 | 977 / 3,144 |
| Median Household Income2024 | $114,201 | 5 / 14 | 73 / 3,143 |
| Per Capita Income2024 | $57,650 | 7 / 14 | 92 / 3,144 |
| Unemployment Rate2024 | 5.1% | 8 / 14 | 1,070 / 3,144 |
Education
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 41.8% | 9 / 14 | 226 / 3,144 |
| High School or Higher2024 | 93.1% | 9 / 14 | 732 / 3,144 |
Health Coverage
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| No Health Insurance2024 | 2.5% | 7 / 14 | 3,103 / 3,144 |
| With a Disability2024 | 11.8% | 10 / 14 | 2,717 / 3,144 |
Population & Density
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Population2025 | 546,829 | 7 / 14 | 133 / 3,144 |
| Population Density2025/km² | 321 | 6 / 14 | 188 / 3,144 |
Work & Commute
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 2.9% | 5 / 14 | 111 / 3,144 |
| Households with No Vehicle2024 | 6.0% | 11 / 14 | 1,229 / 3,144 |
| Mean Commute Time2024minutes | 32.5 | 1 / 14 | 258 / 3,143 |
| Work from Home2024 | 16.2% | 7 / 14 | 317 / 3,144 |
Compare Plymouth County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.