Ocean Bluff-Brant Rock, Massachusetts

Ocean Bluff-Brant Rock, Massachusetts
Census-designated place
Ocean Bluff looking south
Ocean Bluff looking south
Location in Plymouth County in Massachusetts
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
[1]
 • Total4.39 sq mi (11.37 km2)
 • Land2.17 sq mi (5.63 km2)
 • Water2.21 sq mi (5.74 km2)
Population
 (2020)
 • Total4,744
 • Density2,181.15/sq mi (842.28/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
Area code781/339
FIPS code25-50862
Postcard image, from around 1910, of the 420-foot-tall (128 m) Brant Rock radio tower
Although Fessenden's antenna in Brant Rock was demolished in 1917, the insulated base on which it stood still survives. The layers of concrete were originally separated by arrays of ceramic insulators.

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. The population of the CDP was 4,970 at the 2010 census.[2]

  1. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved May 21, 2022.
  2. ^ "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): Ocean Bluff-Brant Rock CDP, Massachusetts". United States Census Bureau. Retrieved March 26, 2012.