02660 ZIP Code — South Dennis, MA

Barnstable County, Massachusetts

ZIP code 02660 is located in South Dennis, Massachusetts, within Barnstable County. It covers approximately 8.37 square miles and serves a population of 6,604 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 508/774.

About ZIP code 02660

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $470,000. Owner-occupancy is high at 78%, well above the national average.

Median household income is $85,963. 54% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.

Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.

Notable community characteristics include disability rates above the national average at 22%.

Overall, ZIP code 02660 reflects a community defined by high homeownership and a significant Social Security-dependent population.

6,604

population

8.37

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

02660 ZIP code map

Cities in ZIP code 02660

Below are the cities the US Postal Service accepts for ZIP code 02660. Using any city not on this list may result in mail delivery delays.

City	Status
South Dennis	Acceptable
South Dennis	Preferred

Nearby ZIP codes

02638 Dennis (2.6 mi) 02639 Dennis Port (3.1 mi) 02664 South Yarmouth (3.5 mi) 02671 West Harwich (3.7 mi) 02670 West Dennis (3.7 mi) 02675 Yarmouth Port (3.9 mi) 02645 Harwich (4.8 mi) 02631 Brewster (5 mi) 02646 Harwich Port (5.3 mi) 02659 South Chatham (7.2 mi) 02630 Barnstable (7.3 mi) 02601 Hyannis (8.1 mi)

Demographics updated 05/2026

Population
Total population	6,604
Population density	789 / sq mi
State FIPS	25
County FIPS	001

Geography
Land area	8.37 sq mi
Water area	0.55 sq mi
Latitude	41.7137
Longitude	-70.1554
Timezone	Eastern (ET)
Area code	508/774

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.8%	31.6%	31.3%
$50k – $100k	28.5%	30.4%	25.9%
$100k – $200k	28.5%	27.2%	28.5%
Over $200k	4.2%	10.7%	14.3%

Demographics & statistics

6,604

Population

789

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	38.8%	31.6%	31.3%
$50k – $100k	28.5%	30.4%	25.9%
$100k – $200k	28.5%	27.2%	28.5%
Over $200k	4.2%	10.7%	14.3%

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%
Work from home	7.3%
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	%
Obesity	25.7%
High blood pressure	36.8%
High cholesterol	36.3%
Diabetes	10.2%
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	%
Smoking	12.8%
Binge drinking	14.3%
No physical activity	19.6%
Less than 7 hrs sleep	28.2%
Depression	18.8%
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%
No insurance	1.4%
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 about ZIP code 02660

What city is ZIP code 02660 in?

ZIP code 02660 is primarily assigned to South Dennis, Massachusetts.

What county is ZIP code 02660 in?

ZIP code 02660 falls within Barnstable County, Massachusetts.

Does ZIP code 02660 have an older population?

39% of residents in ZIP code 02660 are 65 or older, above the national average of ~17%.

Does ZIP code 02660 have a large retiree population?

54% of households in ZIP code 02660 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 02660?

The median home value in ZIP code 02660 is $470,000.

What is the population of ZIP code 02660?

ZIP code 02660 has an estimated population of 6,604 residents, with a density of 789 people per square mile.

What timezone is ZIP code 02660 in?

ZIP code 02660 observes the EST timezone.