Marshfield, MA Demographics

A map of Marshfield's Population by Race

Marshfield, Massachusetts has an estimated population of 5,161, a large increase from the 4,653 recorded in the 2020 Census. The population is 95.8% White, 3.1% Hispanic, 0.8% Multiracial, 0.3% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Marshfield, with one dot drawn for each person counted by the Census, color-coded by race.

Marshfield has become considerably 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 Marshfield, that probability was 14.8% in 2020 and 8.1% in the most recent ACS estimates.

Marshfield is ranked the 121st 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). Marshfield was ranked the 124th most populous place in the 2020 Census.

Marshfield's White Population

4,945 residents of Marshfield, or 95.8% of the population, identify as White. The share of White residents in Marshfield is significantly higher than in Massachusetts overall, where 66.6% of the population is White. Marshfield ranks 30th statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Marshfield's White population has grown by an estimated 15.2%. White residents' share of Marshfield's population has increased from 92.2% to 95.8%.

Marshfield is more White than neighboring Duxbury (89.7% White), and Marshfield Hills (94.6% White). Marshfield is less White than neighboring Cedar Crest (97.9% White), Ocean Bluff-Brant Rock (96.4% White), and Green Harbor (100% White).

Marshfield's Black Population

0 residents of Marshfield, or 0.0% of the population, identify as Black. The share of Black residents in Marshfield is lower than in Massachusetts overall, where 6.4% of the population is Black. Marshfield ranks 209th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Marshfield's Black population has declined by an estimated 100.0%. Black residents' share of Marshfield's population has decreased from 0.6% to 0.0%.

Marshfield is less Black than neighboring Cedar Crest (0.9% Black).

Marshfield's Asian Population

2 residents of Marshfield, or 0.0% of the population, identify as Asian. The share of Asian residents in Marshfield is lower than in Massachusetts overall, where 7.3% of the population is Asian. Marshfield ranks 167th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Marshfield's Asian population has declined by an estimated 96.3%. Asian residents' share of Marshfield's population has decreased from 1.2% to 0.0%.

Marshfield is less Asian than neighboring Cedar Crest (1.2% Asian), Ocean Bluff-Brant Rock (0.4% Asian), and Duxbury (8.3% Asian).

Marshfield's Hispanic Population

158 residents of Marshfield, or 3.1% of the population, identify as Hispanic. The share of Hispanic residents in Marshfield is considerably lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Marshfield ranks 221st statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Marshfield's Hispanic population has grown by an estimated 81.6%. Hispanic residents' share of Marshfield's population has increased from 1.9% to 3.1%.

Marshfield is more Hispanic than neighboring Cedar Crest (0% Hispanic), Ocean Bluff-Brant Rock (0.7% Hispanic), Duxbury (0.4% Hispanic), and Green Harbor (0% Hispanic). Marshfield is less Hispanic than neighboring Marshfield Hills (3.6% Hispanic).

Marshfield's Native American/Other Population

15 residents of Marshfield, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Marshfield is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Marshfield ranks 86th statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Marshfield's Native American/Other population has declined by an estimated 70.0%. Native American/Other residents' share of Marshfield's population has decreased from 1.1% to 0.3%.

Marshfield is more Native American/Other than neighboring Cedar Crest (0% Native American/Other), Duxbury (0% Native American/Other), Marshfield Hills (0% Native American/Other), and Green Harbor (0% Native American/Other). Marshfield is less Native American/Other than neighboring Ocean Bluff-Brant Rock (0.7% Native American/Other).

Marshfield's Multiracial Population

41 residents of Marshfield, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in Marshfield is slightly lower than in Massachusetts overall, where 5.1% of the population is Multiracial. Marshfield ranks 194th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Marshfield's Multiracial population has declined by an estimated 71.7%. Multiracial residents' share of Marshfield's population has decreased from 3.1% to 0.8%.

Marshfield is more Multiracial than neighboring Cedar Crest (0% Multiracial), and Green Harbor (0% Multiracial). Marshfield is less Multiracial than neighboring Ocean Bluff-Brant Rock (1.8% Multiracial), Duxbury (1.6% Multiracial), and Marshfield Hills (1.8% 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.