South Dennis ZIP Code List — Barnstable County, MA

There is one unique ZIP code in South Dennis, Massachusetts and it is 02660. Area code: 508/774.

ZIP codes

8.37

sq mi land

0.55

sq mi water

508/774

area code

South Dennis, MA ZIP code map

About South Dennis, MA

South Dennis is a charming city located in Barnstable County, Massachusetts. Known for its picturesque landscapes and friendly community, this small town offers a unique blend of coastal and rural living. With its rich history and beautiful natural surroundings, South Dennis serves as a wonderful spot for residents and visitors alike.

Location & geography

Situated on Cape Cod, South Dennis spans an area of 8.37 square miles, with an additional 0.55 square miles of water coverage. The town is bordered by several neighboring cities, including Dennis to the north, Yarmouth to the south, and Harwich to the east. The terrain features a mix of quaint residential streets, local businesses, and serene waterways, contributing to its charming ambiance.

Community & economy

The character of South Dennis is defined by its tight-knit community and friendly atmosphere. The local economy thrives on tourism, with many visitors drawn to its beautiful beaches and outdoor recreational opportunities. Daily life here is marked by a blend of peaceful residential living and vibrant seasonal activities that cater to both residents and tourists.

Transportation

South Dennis is serviced by several important highways, including Route 134 and Route 28, which provide access to surrounding towns and attractions. The nearest airports are Barnstable Municipal Airport and Nantucket Memorial Airport, both offering regional flights. Public transit options include Cape Cod Regional Transit Authority services to facilitate travel throughout the area.

History

South Dennis was originally part of the town of Dennis, which was settled in the 1600s, and it became an official town in the late 19th century. The area historically relied on agriculture and fishing, but today it has transitioned to a focus on tourism and service industries. Notable events in the area include annual local festivals that celebrate its rich heritage and community spirit.

Did you know?

One little-known fact about South Dennis is its close proximity to some beautiful freshwater ponds, such as Scargo Lake, which offer excellent fishing and recreational opportunities. Additionally, the town features several historic sites, including old gravestones and colonial-era structures, showcasing its deep historical roots.

ZIP codes for South Dennis, MA (1)

ZIP code	City	County	Map
02660	South Dennis	Barnstable	View map

Demographics & statistics

6,604

Population

58.0

Median age

$85,963

Median household income

$48,654

Per capita income

$470,000

Median home value

$1,484

Median monthly rent

77.9%

Home ownership

7.8%

Poverty rate

4.5%

Unemployment

3,814

Housing units

40.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

102

106

10–14

113

15–19

119

168

20–24

177

165

25–34

174

351

35–44

372

357

45–54

377

335

55–59

354

212

60–64

224

701

65–74

740

415

75–84

439

123

85+

130

← Male

Female →

Age summary

Group	Count	%
Under 18	646	9.8%
18 and over	5,958	90.2%
65 and over	2,548	38.6%
Median age	58.0 years

Race & ethnicity

White 91.7%

Black or African American 2.8%

Hispanic or Latino 2%

Other race 1.7%

Two or more races 1.6%

Asian 0.1%

Group	Count	%
White	6,178	91.7%
Black or African American	192	2.8%
Hispanic or Latino	133	2%
Other race	117	1.7%
Two or more races	108	1.6%
Asian	9	0.1%

Household income

Under $10k 5.2%

$10k–$15k 1.5%

$15k–$25k 6.5%

$25k–$35k 6.7%

$35k–$50k 7.9%

$50k–$75k 18.8%

$75k–$100k 10.9%

$100k–$150k 18.8%

$150k–$200k 13.5%

$200k+ 10.1%

Range	% of households
Under $10k	5.2%
$10k–$15k	1.5%
$15k–$25k	6.5%
$25k–$35k	6.7%
$35k–$50k	7.9%
$50k–$75k	18.8%
$75k–$100k	10.9%
$100k–$150k	18.8%
$150k–$200k	13.5%
$200k+	10.1%
Median income	$85,963

Housing

Home values

Under $50k 1.7%

$100k–$150k 0.5%

$150k–$200k 1.4%

$200k–$300k 7.9%

$300k–$500k 47.7%

$500k–$1M 38.4%

$1M+ 2.5%

Housing overview

Metric	Value
Median home value	$470,000
Median rent / month	$1,484
Owner occupied	77.9%
Renter occupied	22.1%
Vacant	34.2%
Single-family detached	81.7%
Large apartment buildings	1.1%
Mobile homes	3.9%
Median rooms	5.5
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.0%
2010–2019	1.4%
2000–2009	6.3%
1990–1999	7.0%
1980–1989	18.5%
1970–1979	35.9%
1960–1969	17.4%
1950–1959	7.2%
1940–1949	1.4%
1939 or earlier	4.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	9.0%
2 bedrooms	26.8%
3 bedrooms	44.6%
4 bedrooms	16.3%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	2.3%
1 vehicle	33.4%
2 vehicles	44.2%
3 or more	20.2%

Heating fuel

Fuel type	%
Utility gas	68.2%
Electricity	15.9%
Propane / LP gas	1.6%
Fuel oil	14.0%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,401	47.7%
Cohabiting couple	70	2.4%
Male householder, no spouse	518	17.6%
Female householder, no spouse	946	32.2%
Households with children under 18	400	13.6%
Households with seniors (65+)	1,779	60.6%
Average household size	2.22

Marital status

Status	Male	Female
Never married	27.3%	24.1%
Married	54.1%	47.6%
Separated	0.7%	1.5%
Widowed	4.7%	16.2%
Divorced	13.2%	10.6%

Education

Less than 9th grade 2.0%

Some HS, no diploma 2.6%

HS graduate 23.4%

Some college, no degree 18.1%

Associate's degree 13.7%

Bachelor's degree 25.4%

Graduate / professional 14.8%

Metric	%
HS diploma or higher	95.3%
Bachelor's or higher	40.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	53	7.1%
Kindergarten	90	12.1%
Elementary school	292	39.4%
High school	154	20.8%
College / grad school	153	20.6%

Employment

Industry of employment

Education & healthcare 25.4%

Retail trade 17.6%

Arts, food & hospitality 12.0%

Professional & management 10.3%

Manufacturing 7.7%

Finance & real estate 6.9%

Construction 5.0%

Transportation & utilities 4.5%

Public administration 3.3%

Wholesale trade 3.2%

Other services 2.1%

Information 2.0%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	46.1%
Service	16.7%
Sales & office	19.1%
Natural resources & construction	5.1%
Production & transportation	12.8%

Employment type

Type	%
Private sector	80.8%
Government	12.8%
Self-employed	6.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.7%
Carpool	11.1%
Public transit	0.0%
Walk	1.1%
Other means	0.8%
Avg commute (minutes)	21.1

Poverty

All people 7.8%

Under 18 years 6.0%

18 and over 8.0%

Married-couple families 3.3%

Female-led households 16.9%

Income support

Source	% of households
Social Security	54.2%
Retirement income	41.7%
Supplemental Security	4.3%
Cash public assistance	2.9%
Food stamps / SNAP	9.7%

Health indicators

Condition	%
High blood pressure	36.8%
High cholesterol	36.3%
Heart disease	8.4%
Stroke	3.7%
Asthma	10.4%
Arthritis	32.5%
Kidney disease	3.6%
Pulmonary disease	7.1%
Cancer	10.4%

Behavior / access	%
Binge drinking	14.3%
No physical activity	19.6%
Less than 7 hrs sleep	28.2%
Fair or poor health	12.3%
Poor mental health	12.4%
Poor physical health	10.0%
No health insurance	5.7%
Visited doctor (checkup)	83.2%
Visited dentist	74.1%
Cholesterol screening	93.8%
Teeth loss	10.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	432	7.3%

Disability	%
Any disability	22.2%
Under 18	5.3%
18–64 years	14.1%
65 and over	37.8%

Health insurance coverage

Type	%
Private insurance	72.9%
Public insurance	57.2%
Uninsured under 19	5.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,464	97.9%
Spanish	123	1.9%
Other Indo-European	30	0.5%
Asian & Pacific Islander	93	1.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,234	94.4%
Born in same state	6,118	92.6%
Born in different state	4,364	66.1%
Foreign born	116	1.8%
Naturalized citizen	370	5.6%
Not a US citizen	260	70.3%

Ancestry

Ancestry	Count	%
Italian	1,830	27.7%
French	1,162	17.6%
German	415	6.3%
Arab	318	4.8%
Norwegian	82	1.2%

Ancestry	Count	%
English	72	1.1%
Polish	20	0.3%
Dutch	11	0.2%
Irish	8	0.1%

Technology access

Metric	% of households
Computer access	44.4%
Internet access	95.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for South Dennis, MA?

South Dennis, MA has one ZIP code: 02660.

What is the main ZIP code for South Dennis, MA?

The primary ZIP code for South Dennis, MA is 02660. The city uses area code 508 or 774 for phone service.

What county is South Dennis, MA in?

South Dennis is located in Barnstable County, Massachusetts.

How many ZIP codes are in South Dennis, MA?

South Dennis, MA has 1 ZIP code.

What is the ZIP code for the South Dennis village area along Route 28?

The South Dennis village area, including the main commercial and residential sections along Route 28, uses the ZIP code 02660.

What ZIP code should I use for mail addressed to properties near the South Dennis Library on School Street?

Addresses near the South Dennis Library on School Street fall within the 02660 ZIP code, which covers the entire South Dennis community in Barnstable County.