Ocean Bluff-Brant Rock, MA Demographics

A map of Ocean Bluff-Brant Rock's Population by Race

Ocean Bluff-Brant Rock, Massachusetts has an estimated population of 4,540, a decrease from the 4,744 recorded in the 2020 Census. The population is 96.4% White, 1.8% Multiracial, 0.7% Hispanic, 0.7% Native American/Other, 0.4% Asian, and 0.0% Black. This demographic dot map shows the population of Ocean Bluff-Brant Rock, with one dot drawn for each person counted by the Census, color-coded by race.

Ocean Bluff-Brant Rock has become less racially diverse since the 2020 Census. It is considerably less diverse than Massachusetts overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Ocean Bluff-Brant Rock, that probability was 8.2% in 2020 and 7.0% in the most recent ACS estimates.

Ocean Bluff-Brant Rock is ranked the 129th most populous place in Massachusetts, out of 248 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Ocean Bluff-Brant Rock was ranked the 122nd most populous place in the 2020 Census.

Ocean Bluff-Brant Rock's White Population

4,378 residents of Ocean Bluff-Brant Rock, or 96.4% of the population, identify as White. The share of White residents in Ocean Bluff-Brant Rock is significantly higher than in Massachusetts overall, where 66.6% of the population is White. Ocean Bluff-Brant Rock ranks 5th statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Ocean Bluff-Brant Rock's White population has declined by an estimated 3.7%. White residents' share of Ocean Bluff-Brant Rock's population has increased from 95.8% to 96.4%.

Ocean Bluff-Brant Rock is more White than neighboring Marshfield (95.8% White), Duxbury (89.7% White), and Marshfield Hills (94.6% White). Ocean Bluff-Brant Rock is less White than neighboring Cedar Crest (97.9% White), and Green Harbor (100% White).

Ocean Bluff-Brant Rock's Black Population

0 residents of Ocean Bluff-Brant Rock, or 0.0% of the population, identify as Black. The share of Black residents in Ocean Bluff-Brant Rock is lower than in Massachusetts overall, where 6.4% of the population is Black. Ocean Bluff-Brant Rock ranks 229th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Ocean Bluff-Brant Rock's Black population has declined by an estimated 100.0%. Black residents' share of Ocean Bluff-Brant Rock's population has remained roughly unchanged at 0.0%.

Ocean Bluff-Brant Rock is less Black than neighboring Cedar Crest (0.9% Black).

Ocean Bluff-Brant Rock's Asian Population

16 residents of Ocean Bluff-Brant Rock, or 0.4% of the population, identify as Asian. The share of Asian residents in Ocean Bluff-Brant Rock is lower than in Massachusetts overall, where 7.3% of the population is Asian. Ocean Bluff-Brant Rock ranks 236th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Ocean Bluff-Brant Rock's Asian population has grown by an estimated 33.3%. Asian residents' share of Ocean Bluff-Brant Rock's population has remained roughly unchanged at 0.4%.

Ocean Bluff-Brant Rock is more Asian than neighboring Green Harbor (0% Asian), Marshfield (0% Asian), and Marshfield Hills (0% Asian). Ocean Bluff-Brant Rock is less Asian than neighboring Cedar Crest (1.2% Asian), and Duxbury (8.3% Asian).

Ocean Bluff-Brant Rock's Hispanic Population

32 residents of Ocean Bluff-Brant Rock, or 0.7% of the population, identify as Hispanic. The share of Hispanic residents in Ocean Bluff-Brant Rock is considerably lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Ocean Bluff-Brant Rock ranks 238th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Ocean Bluff-Brant Rock's Hispanic population has declined by an estimated 52.9%. Hispanic residents' share of Ocean Bluff-Brant Rock's population has decreased from 1.4% to 0.7%.

Ocean Bluff-Brant Rock is more Hispanic than neighboring Cedar Crest (0% Hispanic), Green Harbor (0% Hispanic), and Duxbury (0.4% Hispanic). Ocean Bluff-Brant Rock is less Hispanic than neighboring Marshfield (3.1% Hispanic), and Marshfield Hills (3.6% Hispanic).

Ocean Bluff-Brant Rock's Native American/Other Population

31 residents of Ocean Bluff-Brant Rock, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ocean Bluff-Brant Rock is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Ocean Bluff-Brant Rock ranks 224th statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Ocean Bluff-Brant Rock's Native American/Other population has grown by an estimated 106.7%. Native American/Other residents' share of Ocean Bluff-Brant Rock's population has remained roughly unchanged at 0.7%.

Ocean Bluff-Brant Rock is more Native American/Other than neighboring Cedar Crest (0% Native American/Other), Green Harbor (0% Native American/Other), Marshfield (0.3% Native American/Other), Duxbury (0% Native American/Other), and Marshfield Hills (0% Native American/Other).

Ocean Bluff-Brant Rock's Multiracial Population

83 residents of Ocean Bluff-Brant Rock, or 1.8% of the population, identify as Multiracial. The share of Multiracial residents in Ocean Bluff-Brant Rock is slightly lower than in Massachusetts overall, where 5.1% of the population is Multiracial. Ocean Bluff-Brant Rock ranks 241st statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Ocean Bluff-Brant Rock's Multiracial population has declined by an estimated 5.7%. Multiracial residents' share of Ocean Bluff-Brant Rock's population has remained roughly unchanged at 1.8%.

Ocean Bluff-Brant Rock is more Multiracial than neighboring Cedar Crest (0% Multiracial), Green Harbor (0% Multiracial), Marshfield (0.8% Multiracial), and Duxbury (1.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.