Ocean Bluff-Brant Rock, Massachusetts

Ocean Bluff-Brant Rock, Massachusetts
Ocean Bluff looking south
Location in Plymouth County in Massachusetts
Coordinates: 42°6′6″N 70°39′39″W / 42.10167°N 70.66083°W / 42.10167; -70.66083
CountryUnited States
StateMassachusetts
CountyPlymouth
Area
 • Total
4.39 sq mi (11.37 km2)
 • Land2.17 sq mi (5.63 km2)
 • Water2.22 sq mi (5.74 km2)
Population
 (2020)
 • Total
4,744
 • Density2,181.5/sq mi (842.28/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP Codes
  • 02020 (Brant Rock)
  • 02065 (Ocean Bluff)
Area code781/339
FIPS code25-50862

Ocean Bluff-Brant Rock is a census-designated place (CDP) in Plymouth County, Massachusetts, United States, composed of the neighborhoods of Ocean Bluff, Brant Rock, Fieldston, and Rexhame in the town of Marshfield. As of the 2020 census, Ocean Bluff-Brant Rock had a population of 4,744.