South Dennis, Massachusetts

South Dennis, Massachusetts
Location in Barnstable County and the state of Massachusetts.
Coordinates: 41°42′21″N 70°9′45″W / 41.70583°N 70.16250°W / 41.70583; -70.16250
CountryUnited States
StateMassachusetts
CountyBarnstable
TownDennis
Area
  Total
4.75 sq mi (12.30 km2)
  Land4.55 sq mi (11.79 km2)
  Water0.20 sq mi (0.52 km2)
Elevation
33 ft (10 m)
Population
 (2020)
  Total
3,899
  Density856.92/sq mi (330.84/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
02660
Area code508
FIPS code25-63655
GNIS feature ID0615880

South Dennis is a census-designated place (CDP) in the town of Dennis in Barnstable County, Massachusetts, United States. The population was 3,643 at the 2010 census, the largest of the five CDPs in Dennis.