Postal Codes

02660 ZIP Code

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ZIP code 02660 covers South Dennis, Massachusetts, with a population of about 6,767 and a median household income of $91,449.

Population
6,767808 per square mile
Median age
58.219.5 points above the US average
Median household income
$91,44910% below the Massachusetts median
Poverty rate
8.4%4 points below the US average
Typical home value
$682,740up 32.6% in five years
Median rent
$1,51310% below the Massachusetts median
Degree or higher
40.5%5.5 points above the US average
Homeownership
75.8%10.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
245

Where 02660 is

South Dennis, Massachusetts — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,767
Median age58.2
Family households61.9%
Born outside the US4.4%
Speaks a language other than English at home3.1%
White (non-Hispanic)92.1%
Black (non-Hispanic)2.4%
Asian (non-Hispanic)0.3%
Hispanic or Latino2.6%
Veterans6.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$91,449
Income per person$50,563
Poverty rate8.4%
Households on SNAP or cash assistance12.3%

Household income distribution

Under $10k5.4%
$10–15k1.4%
$15–20k3.9%
$20–25k4.0%
$25–30k0.9%
$30–35k3.7%
$35–40k2.6%
$40–45k3.3%
$45–50k4.6%
$50–60k6.1%
$60–75k5.8%
$75–100k12.1%
$100–125k10.5%
$125–150k11.1%
$150–200k14.6%
$200k or more10.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed3,650
Mean adjusted gross income$85,704
Returns declaring $200,000 or more7.7%
Returns, under $25k24.7%
Returns, $25k–$50k19.7%
Returns, $50k–$75k17.3%
Returns, $75k–$100k11.8%
Returns, $100k–$200k18.9%
Returns, $200k or more7.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$502,500
Median gross rent$1,513
Rent as a share of household income31.5%
Owner-occupied75.8%
Vacant homes33.5%
Median year built1976

What the homes are

Detached house82.1%
Attached house2.9%
2 to 4 units5.1%
5 to 19 units6.1%
20 or more units1.1%
Mobile home2.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$682,740as of 2026-07
Typical home value, 1 yearup 2.6%
Typical home value, 5 yearsup 32.6%
Typical home value, 10 yearsup 105.9%
Typical home value since 2000
200020132026$682,740$174,565

$174,565 in 2000 to $682,740 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.3%
Bachelor's degree or higher40.5%
High school diploma or higher96.2%
Works from home8.8%
Drives to work alone80.9%
Takes public transport0%
Commutes 45 minutes or more10.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity27% 6.4 pts below the national average of 33.4%
Diagnosed diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes11.6% 1.6 pts below the national average of 13.2%
High blood pressure40.3% 6.2 pts above the national average of 34.1%
Fair or poor general health16.8% 3.5 pts below the national average of 20.3%
No health insurance (18–64)4% 7.3 pts below the national average of 11.3%
Depression22.7% 0.8 pts above the national average of 21.9%
No leisure-time physical activity20.6% 4.8 pts below the national average of 25.4%
Arthritis37.8% 12.7 pts above the national average of 25.1%
Binge drinking13.2% 2.8 pts below the national average of 16%
Taking blood pressure medication83.8% 9.1 pts above the national average of 74.7%
Cancer (non-skin)14% 6.3 pts above the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease8.6% 2.4 pts above the national average of 6.2%
Routine check-up in past year85.8% 9.1 pts above the national average of 76.7%
Cholesterol screening93.2% 7.3 pts above the national average of 85.9%
Cognitive disability12% 2.8 pts below the national average of 14.8%
Colorectal screening76.5% 12.2 pts above the national average of 64.3%
COPD8.1% 1.5 pts above the national average of 6.6%
Visited a dentist73.4% 12.1 pts above the national average of 61.3%
Any disability30.4% same as the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity9.1% 8 pts below the national average of 17.1%
Received food stamps10.8% 3.5 pts below the national average of 14.3%
Hearing disability8.9% 2.2 pts above the national average of 6.7%
High cholesterol41.2% 5 pts above the national average of 36.2%
Housing insecurity7.8% 6 pts below the national average of 13.8%
Independent living disability7.5% 0.9 pts below the national average of 8.4%
Lacks transport5.6% 3.6 pts below the national average of 9.2%
Loneliness30.4% 4 pts below the national average of 34.4%
Mammography use81.9% 6 pts above the national average of 75.9%
Poor mental health (14+ days)14.2% 2.6 pts below the national average of 16.8%
Mobility disability15.1% 1.1 pts above the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat5.4% 3.4 pts below the national average of 8.8%
Sleeps under 7 hours30.8% 5.6 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost8.9% 4.1 pts below the national average of 13%
Vision disability4.2% 1.4 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments245
People employed2,684
Annual payroll$156,150,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 43.3% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 4 census tracts this ZIP code covers
Expected annual loss38.9 out of 100
Community resilience99.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Coastal flooding95.3Relatively High at its worst in this ZIP code
Hurricane86.4Relatively Moderate at its worst in this ZIP code
Drought66.7Very Low at its worst in this ZIP code
Landslide64.6Very Low at its worst in this ZIP code
Wildfire64Relatively Low at its worst in this ZIP code
Lightning60.2Relatively Moderate at its worst in this ZIP code
River flooding59.6Relatively Moderate at its worst in this ZIP code
Earthquake44.2Relatively Low at its worst in this ZIP code
Hail41.7Relatively Low at its worst in this ZIP code
Strong wind25.9Relatively Low at its worst in this ZIP code
Cold wave22.3Relatively Low at its worst in this ZIP code
Winter weather22.1Relatively Low at its worst in this ZIP code
Tornado19.5Relatively Low at its worst in this ZIP code
Heat wave4.7Very Low at its worst in this ZIP code
Ice storm4Very Low at its worst in this ZIP code
Compared with Massachusetts and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMassachusettsUnited States
Median household income$91,449$101,341$78,538
Income per person$50,563$56,284$43,289
Poverty rate8.4%10%12.4%
Median home value$502,500$525,800$303,400
Median gross rent$1,513$1,687$1,348
Homeownership75.8%62.6%65%
Bachelor's degree or higher40.5%46.6%35%
Unemployment rate4.3%5.1%5.2%
Works from home8.8%16.7%13.5%
Born outside the US4.4%17.7%13.9%
Median age58.24038.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationW HARWICH, MA US6.2 km away
Rain in a year46 in

Average high and low by month

January37.9°F / 24.6°F3.84 in rain
February38°F / 24°F3.68 in rain
March43.9°F / 30.4°F4.32 in rain
April52°F / 38.7°F4.1 in rain
May61.6°F / 48°F3.5 in rain
June70.6°F / 57.6°F3.29 in rain
July77.6°F / 64.6°F2.77 in rain
August77.5°F / 63.6°F3.36 in rain
September71.2°F / 56.6°F3.93 in rain
October61.5°F / 46.6°F4.72 in rain
November52.2°F / 37.4°F4 in rain
December43.4°F / 29.6°F4.83 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket48% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Dennis-Yarmouth School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability21more vulnerable than 21% of US census tracts
Socioeconomic status24more vulnerable than 24% of US census tracts
Household characteristics54more vulnerable than 54% of US census tracts
Racial and ethnic minority status20more vulnerable than 20% of US census tracts
Housing type and transport17more vulnerable than 17% of US census tracts
Walkability8 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

02641 East Dennis, MA3.7 km away
02638 Dennis, MA3.7 km away
02664 South Yarmouth, MA5 km away
02670 West Dennis, MA5.3 km away
02639 Dennis Port, MA5.4 km away
02675 Yarmouth Port, MA5.7 km away
02671 West Harwich, MA5.8 km away
02646 Harwich Port, MA8.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Barnstable County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area8.37 sq mi
Water area0.55 sq mi
Population density808 people per sq mi
Latitude, longitude41.7097, -70.1585

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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