What are the schools like in South Dennis, MA?

School district data for South Dennis is sourced from the National Center for Education Statistics (NCES).

What is the median household income in South Dennis?

The median household income in South Dennis, MA is $81,607 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 3.0%.

What is the weather like in South Dennis, MA?

South Dennis has an average high temperature of 37.9°F in January and 77.6°F in July. Annual precipitation averages 49.5 inches and annual snowfall averages 21.5 inches.

South Dennis, MA Cost of Living, Crime & Is It a Good Place to Live? (2026)

Q: Is South Dennis, MA affordable or expensive?

South Dennis's cost of living index is 106, where 100 represents the national average. This means South Dennis is 6% more expensive than the average US city. The median home value is $413,600 and the median rent is $1,696 per month.

Q: What is the crime rate in South Dennis, MA?

South Dennis has a violent crime rate of 127.7 incidents per 100,000 residents and a property crime rate of 406.6 per 100,000. The national average violent crime rate is approximately 380 per 100,000.

Is South Dennis, MA a Good Place to Live?

South Dennis is a small town of 3,101 in Massachusetts, with a median household income of $81,607 and a 3.0% unemployment rate. Its cost of living index is 106 (US average = 100), which is 6% above the national average.

Strengths: South Dennis stands out for short average commutes.

Trade-offs: Potential downsides include high home prices. Whether South Dennis is right for you depends on your priorities — the full breakdown is below.

All South Dennis city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 105.8

South Dennis's overall cost of living index is 105.8, where 100 represents the US national average. Living in South Dennis costs roughly 6% more than the average American city.

Metric	South Dennis, MA	National Avg
Median Home Value	$413,600	$244,900
Median Monthly Rent	$1,696	$1,163
Homeownership Rate	83.1%	65.9%
Median Household Income	$81,607	$74,755

Crime & Safety

Very Safe

South Dennis's violent crime rate is 127.7 per 100,000 residents — 66% lower than the national average of ~380 per 100,000.

Violent Crime

127.7 /100k

Property Crime

406.6 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Metric	South Dennis, MA	National Avg
School District	N/A	—
Elementary Schools	N/A	—
Middle Schools	N/A	—
High Schools	N/A	—
Student/Teacher Ratio	N/A	16:1
Bachelor's Degree or Higher	35.2%	35.4%
High School Diploma or Higher	94.8%	91.1%

Weather & Climate

South Dennis sees average highs of 37.9°F in January and 77.6°F in July, with 49.5 inches of annual precipitation and 21.5 inches of snow per year.

Metric	South Dennis, MA
Average High — January	37.9°F
Average High — July	77.6°F
Annual Precipitation	49.5"
Annual Snowfall	21.5"

Demographics

Metric	South Dennis, MA	National Avg
Population	3,101	—
Median Age	53.3	38.9
Unemployment Rate	3.0%	3.7%
Avg Commute Time	21.0 min	26 min
White (non-Hispanic)	93.1%	59.3%
Black or African American	5.2%	13.6%
Hispanic or Latino	0.3%	18.9%
Asian	0.3%	6.3%
Under 18	11.6%	22.2%
65 and over	30.6%	16.8%

Nearby Cities

East Dennis, MA 2 mi Northwest Harwich, MA 2 mi Dennis Port, MA 3 mi West Dennis, MA 3 mi Dennis, MA 3 mi

ZIP Codes in South Dennis

South Dennis, MA is covered by 1 ZIP code:

02660

South Dennis vs Other Cities

South Dennis, MA vs East Dennis, MA South Dennis, MA vs Northwest Harwich, MA South Dennis, MA vs Dennis Port, MA South Dennis, MA vs West Dennis, MA South Dennis, MA vs Dennis, MA

Frequently Asked Questions

Is South Dennis, MA affordable or expensive?

South Dennis's cost of living index is 106, where 100 is the national average. That puts South Dennis roughly 6% above the national average in cost. The median home price is $413,600 and median rent is $1,696/month.

What is the crime rate in South Dennis, MA?

South Dennis's violent crime rate is 127.7 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 406.6 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.

What are the schools like in South Dennis?

School district information is sourced from NCES Common Core of Data.

Is South Dennis, MA a good place to live?

South Dennis, MA has a population of 3,101, a median household income of $81,607, and an unemployment rate of 3.0%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.

What is the weather like in South Dennis?

South Dennis averages 37.9°F in January and 77.6°F in July. Annual rainfall is 49.5 inches with about 21.5 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in South Dennis?

South Dennis, MA is covered by 1 ZIP code: 02660.

What is the population of South Dennis?

The population of South Dennis, Massachusetts is 3,101 with a median age of 53.3. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in South Dennis?

Key numbers for living in South Dennis: cost of living index 106 (100 = US average), median home $413,600, median household income $81,607, crime index 28 (100 = US average, lower is safer). Whether these are benefits or drawbacks depends on where you're coming from — compare South Dennis side by side with your current city to see the trade-offs.