South Dennis, MA
Population 3,190 · Massachusetts
About South Dennis, MA
South Dennis is a small town located in Massachusetts with a population of 3,190 residents according to the latest US Census Bureau American Community Survey data. The median household income is $86,500 per year, which is 15% above the national median of $75,149. The median age of 55.2 years is notably older the US median age of 38.9 years, suggesting a more established community with a higher proportion of long-term residents.
Housing Market Overview
The housing market in South Dennis features a median home value of $454,400, which is 86% above the national median of $244,900. This places South Dennis in a higher-cost housing market, where property demand often outpaces supply. Median monthly rent is $1,542, 33% above the national average of $1,163/month. Of the 2,619 total housing units, 81% are owner-occupied (1,258 units) and 19% are renter-occupied (298 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in South Dennis shows an unemployment rate of 3.4%, which is lower than the national rate of 3.7%, indicating a relatively strong job market. The poverty rate stands at 4.5%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in South Dennis have an average one-way commute time of 22.9 minutes.
Education & Demographics
37.1% of South Dennis residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This is in line with national trends in educational attainment. The community's demographic composition includes 0.1% White, 0.4% Hispanic or Latino, 0.6% Black or African American, and 0.0% Asian residents, with 5.8% of the population being foreign-born.
Cost of Living in South Dennis, MA
Compared to national averages, South Dennis has a median household income of $86,500 (15% above the national median of $75,149). Home values average $454,400, which is 86% above the national median. Monthly rent at $1,542 is 33% above the US average of $1,163. Within Massachusetts, South Dennis's income is 18% below the state average of $105,630, and home values are 19% below the state median of $561,296.
Why Live in South Dennis, MA?
South Dennis offers a strong local economy with a median household income of $86,500, well above the national average, and a strong job market with an unemployment rate of just 3.4%, and a well-educated community where 37.1% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 4.5%, better than the national average, and short commute times averaging just 22.9 minutes.
Potential considerations include a competitive housing market where the typical home costs $454,400. However, South Dennis’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
South Dennis has a population of 3,190 with a median age of 55.2 years. Compare South Dennis with other cities to see how it stacks up, or explore all cities in Massachusetts.
Similar Cities Near South Dennis
Cities in Massachusetts with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Hopkinton | 3,142 | $173,750 | $601,900 | Compare |
| South Duxbury | 3,272 | $206,111 | $987,500 | Compare |
| Ocean Grove | 3,099 | $97,109 | $337,800 | Compare |
| Cordaville | 3,076 | $161,023 | $730,600 | Compare |
| Monument Beach | 3,067 | $86,953 | $540,600 | Compare |
| Nahant | 3,328 | $111,004 | $686,000 | Compare |
| Ayer | 3,012 | $81,286 | $417,300 | Compare |
| Upton | 2,985 | $109,925 | $474,600 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Massachusetts
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare South Dennis With Other Cities
Frequently Asked Questions about South Dennis
What is the population of South Dennis, MA?
The population of South Dennis, MA is 3,190 according to the latest US Census Bureau American Community Survey estimates. This makes it a small town in Massachusetts.
What is the median household income in South Dennis?
The median household income in South Dennis, MA is $86,500 per year, which is 15% above the national median of $75,149.
What is the median home value in South Dennis?
The median home value in South Dennis, MA is $454,400, which is 86% above the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in South Dennis?
The median monthly rent in South Dennis, MA is $1,542, which is 33% above the national average of $1,163/month.
What is the unemployment rate in South Dennis?
The unemployment rate in South Dennis, MA is 3.4%, compared to the national average of 3.7%. This lower-than-average rate suggests a relatively healthy local job market.
Is South Dennis, MA a good place to live?
South Dennis offers above-average incomes, a competitive housing market, and a strong job market. With a population of 3,190 and a median age of 55.2, the city appeals to established professionals and retirees.
How educated is South Dennis, MA?
37.1% of residents in South Dennis aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This above-average educational attainment often reflects a knowledge-based local economy.
What is the cost of living in South Dennis?
Key cost-of-living indicators for South Dennis, MA: median home value is $454,400 (86% above national), median rent is $1,542/month, and median household income is $86,500. The home-value-to-income ratio is 5.3x, a moderate figure by national standards.
What is the poverty rate in South Dennis?
The poverty rate in South Dennis, MA is 4.5%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is South Dennis, MA?
South Dennis's population is 0.1% White, 0.4% Hispanic or Latino, 0.6% Black or African American, 0.0% Asian, and 4.0% two or more races. 5.8% of residents are foreign-born.