South Duxbury, Massachusetts Demographics & Population 2026
During the 2020–2024 ACS period, South Duxbury, Massachusetts had a total population of 3,252, the 152nd largest community in Massachusetts, with a median household income of $212,734, which is 105% higher than the state average. The poverty rate is 4.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 105% above the state average — one of the wealthiest communities in Massachusetts.
- An exceptionally low poverty rate of 4.8% — among the lowest in Massachusetts.
- 77.0% of adults hold a bachelor's degree or higher — top 10% in Massachusetts.
South Duxbury Quick Facts
How South Duxbury 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 | 3,272 | 3,252 | -0.6% |
| Median household income | $206,111 | $212,734 | +3.2% |
| Median home value | $987,500 | $982,000 | -0.6% |
How South Duxbury 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+)
South Duxbury 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 |
| Plymouth | 7,918 | $81,703 | 10.0% | $446,800 |
| 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 |
Cities Similar to South Duxbury
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hopkinton | 3,426 | $201,094 | $666,400 | 67.5% | 3.1% |
| North Pembroke | 3,393 | $194,309 | $536,000 | 46.9% | 8.3% |
| Provincetown | 3,452 | $158,125 | $959,000 | 61.6% | 5.4% |
| Cordaville | 2,989 | $165,375 | $765,900 | 77.0% | 2.4% |
| Littleton Common | 3,289 | $135,074 | $558,200 | 54.6% | 1.2% |
Population Overview
South Duxbury is a small community located in Massachusetts, within Plymouth County. The total population is 3,252. It ranks as the 152nd most populous out of 248 Census-designated places in Massachusetts.
Age Demographics
The median age in South Duxbury is 49.6 years. This is 24% higher than the state median of 40.0 years.
Economy, Income & Housing
The median household income in South Duxbury is $212,734. This is 105% higher than the state median of $103,960. It is also 163% higher than the national median of $80,734. The poverty rate stands at 4.8%. This is 52% lower than the state poverty rate of 10.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.0%. This is 22% lower than the state rate of 5.1%. The median home value is $982,000. Housing costs are 75% higher than the state median of $562,100. The home-value-to-income ratio is 4.6x. 96.2% of occupied housing units are owner-occupied. This homeownership rate is 54% higher than the state average of 62.5%.
Race & Ethnicity
South Duxbury has a predominantly White (non-Hispanic) population, comprising 89.6% of all residents. Asian residents account for 3.8%. The Black or African American population (0.1%) is well below the state average of 6.4%. The Hispanic or Latino population (3.1%) is well below the state average of 13.3%.
Education
77.0% of residents aged 25 and older hold a bachelor's degree or higher. This places South Duxbury in the top 10% of all cities in the state for educational attainment. This is 63% higher 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 94.8%. Notably, 33.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for South Duxbury, 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 South Duxbury, Massachusetts?
South Duxbury, Massachusetts has a population of 3,252 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in South Duxbury, MA?
The median household income in South Duxbury is $212,734, which is 163% higher than the national median of $80,734.
What is the poverty rate in South Duxbury, MA?
The poverty rate in South Duxbury is 4.8%. This means approximately 157 residents live below the federal poverty line.
What is the racial makeup of South Duxbury, Massachusetts?
South Duxbury's population is 89.6% White, 0.1% Black, 3.1% Hispanic/Latino, and 3.8% Asian.
What is the median home value in South Duxbury, MA?
The median home value in South Duxbury is $982,000. The home-value-to-income ratio is 4.6x.
How educated is South Duxbury, Massachusetts?
77.0% of adults (25+) in South Duxbury hold a bachelor's degree or higher, and 33.0% hold a graduate or professional degree.