Plymouth, Massachusetts Demographics & Population 2026
During the 2020–2024 ACS period, Plymouth, Massachusetts had a total population of 7,918, the 93rd largest community in Massachusetts, with a median household income of $81,703, which is 21% lower than the state average. The poverty rate is 10.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Plymouth Quick Facts
How Plymouth Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 7,852 | 7,918 | +0.8% |
| Median household income | $72,639 | $81,703 | +12.5% |
| Median home value | $426,000 | $446,800 | +4.9% |
How Plymouth Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 53 | National average: 61
Education
Educational Attainment (Adults 25+)
Plymouth Rankings in Massachusetts
Explore Massachusetts Rankings
Other Cities in Plymouth County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Brockton | 105,386 | $80,115 | 13.5% | $437,500 |
| Bridgewater Town | 28,471 | $112,651 | 4.8% | $533,100 |
| Abington | 17,053 | $125,400 | 5.2% | $539,600 |
| Hull | 10,138 | $115,485 | 5.8% | $646,000 |
| Middleborough Center | 8,155 | $97,616 | 8.8% | $424,900 |
| North Scituate | 6,492 | $140,329 | 2.9% | $824,800 |
| Kingston | 5,910 | $150,886 | 4.9% | $589,900 |
| Scituate | 5,796 | $124,549 | 3.4% | $821,600 |
| The Pinehills | 5,282 | $122,798 | 3.5% | $693,100 |
| Marshfield | 5,161 | $97,105 | 17.4% | $675,300 |
Cities Similar to Plymouth
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Clinton | 7,658 | $79,516 | $375,600 | 24.1% | 9.2% |
| Middleborough Center | 8,155 | $97,616 | $424,900 | 32.2% | 8.8% |
| Mansfield Center | 7,222 | $97,798 | $480,000 | 45.7% | 4.1% |
| Whitinsville | 7,115 | $96,145 | $449,600 | 32.0% | 10.3% |
| Athol | 8,801 | $67,394 | $248,700 | 21.9% | 21.0% |
Population Overview
Plymouth is a small city located in Massachusetts, within Plymouth County. The total population is 7,918. It ranks as the 93rd most populous out of 248 Census-designated places in Massachusetts.
Age Demographics
The median age in Plymouth is 46.2 years. This is 16% higher than the state median of 40.0 years. Only 13.2% of residents are under 18, indicating fewer families with children. 12.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Plymouth is $81,703. This is 21% lower than the state median of $103,960. It is also 1% higher than the national median of $80,734. The poverty rate stands at 10.0%. This is about the same as the state poverty rate of 10.0%. The unemployment rate is 5.1%. This is 2% lower than the state rate of 5.1%. The median home value is $446,800. Housing costs are 21% lower than the state median of $562,100. The home-value-to-income ratio is 5.5x. 46.0% of occupied housing units are owner-occupied. This homeownership rate is 26% lower than the state average of 62.5%.
Race & Ethnicity
The largest racial or ethnic group in Plymouth is White (non-Hispanic), making up 80.5% of the population. Hispanic or Latino residents account for 6.0%. The Black or African American population (1.1%) is well below the state average of 6.4%. The Hispanic or Latino population (6.0%) is well below the state average of 13.3%. The Asian population (0.6%) is well below the state average of 7.2%.
Education
39.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 17% lower than the state rate of 47.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.4%. Notably, 15.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Plymouth, Massachusetts is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Massachusetts state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 248 Census-designated places in Massachusetts. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Plymouth, Massachusetts?
Plymouth, Massachusetts has a population of 7,918 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Plymouth, MA?
The median household income in Plymouth is $81,703, which is 1% higher than the national median of $80,734.
What is the poverty rate in Plymouth, MA?
The poverty rate in Plymouth is 10.0%. This means approximately 772 residents live below the federal poverty line.
What is the racial makeup of Plymouth, Massachusetts?
Plymouth's population is 80.5% White, 1.1% Black, 6.0% Hispanic/Latino, and 0.6% Asian.
What is the median home value in Plymouth, MA?
The median home value in Plymouth is $446,800. The home-value-to-income ratio is 5.5x.
How educated is Plymouth, Massachusetts?
39.0% of adults (25+) in Plymouth hold a bachelor's degree or higher, and 15.7% hold a graduate or professional degree.