ZIP code · South Dennis · Massachusetts · United States

ZIP code 02660 — South Dennis

ZIP code 02660 serves South Dennis, Massachusetts.

Postal code
02660
Single source Value from one source, not cross-checked.
City
South Dennis
County
Barnstable FIPS 25001
State
Massachusetts
Country
United States
Coordinates
41.7097, -70.1585 — precision precise (locality)
View on OpenStreetMap
Population
6,767 (ZCTA, ACS 5-year)
Population density
808 / sq mi
Land area
8.4 sq mi (21.7 km²) (ZCTA, ACS 5-year)
Median household income
$91,449
Per-capita income
$50,563
Median age
58.2
Households
3,068
Housing units
4,617
Median home value
$502,500
Median gross rent
$1,513 / month
Congressional district
MA-9 (119th Congress)
USDA hardiness zone
7a (0 to 5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
508, 774 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 78°F), coldest Feb (avg low 24°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F383844526271787871625243
Avg low °F252430394858656457473730
Precip in3.83.74.34.13.53.32.83.43.94.74.04.8

NOAA 1991–2020 climate normals from the nearest station: W HARWICH (3.9 mi) · NOAA NCEI

Places in ZIP 02660

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page