Dennis (CDP), Massachusetts

Dennis, Massachusetts
Dennis Union Church
Location in Barnstable County and the state of Massachusetts.
Coordinates: 41°44′7″N 70°11′57″W / 41.73528°N 70.19917°W / 41.73528; -70.19917
CountryUnited States
StateMassachusetts
CountyBarnstable
TownDennis
Area
  Total
5.13 sq mi (13.28 km2)
  Land4.91 sq mi (12.72 km2)
  Water0.21 sq mi (0.56 km2)
Elevation
16 ft (5 m)
Population
 (2020)
  Total
2,399
  Density488.50/sq mi (188.61/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
02638
Area code508
FIPS code25-16740
GNIS feature ID0615824

Dennis is a village and census-designated place (CDP) in the town of Dennis in Barnstable County, Massachusetts, United States. The population was 2,407 at the 2010 census. The CDP includes the populated places known as North Dennis and New Boston.

The Dennis post office, one of five post offices in the town of Dennis, is assigned zip code 02638.