Plymouth, MA Demographics

A map of Plymouth's Population by Race

Plymouth, Massachusetts has an estimated population of 7,918, an increase from the 7,667 recorded in the 2020 Census. The population is 80.6% White, 7.2% Multiracial, 6.0% Hispanic, 4.6% Native American/Other, 1.1% Black, and 0.6% Asian. This demographic dot map shows the population of Plymouth, with one dot drawn for each person counted by the Census, color-coded by race.

Plymouth has become considerably more 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 Plymouth, that probability was 26.7% in 2020 and 34.0% in the most recent ACS estimates.

Plymouth is ranked the 93rd 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). Plymouth was ranked the 95th most populous place in the 2020 Census.

Plymouth's White Population

6,378 residents of Plymouth, or 80.6% of the population, identify as White. The share of White residents in Plymouth is considerably higher than in Massachusetts overall, where 66.6% of the population is White. Plymouth ranks 127th statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Plymouth's White population has declined by an estimated 2.5%. White residents' share of Plymouth's population has decreased from 85.3% to 80.6%.

Plymouth is more White than neighboring North Plymouth (67.7% White). Plymouth is less White than neighboring South Duxbury (89.6% White), Kingston (93.4% White), Duxbury (89.7% White), and The Pinehills (95.1% White).

Plymouth's Black Population

88 residents of Plymouth, or 1.1% of the population, identify as Black. The share of Black residents in Plymouth is lower than in Massachusetts overall, where 6.4% of the population is Black. Plymouth ranks 126th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Plymouth's Black population has declined by an estimated 35.8%. Black residents' share of Plymouth's population has decreased from 1.8% to 1.1%.

Plymouth is more Black than neighboring South Duxbury (0.1% Black), and Duxbury (0% Black). Plymouth is less Black than neighboring North Plymouth (2.1% Black), Kingston (1.7% Black), and The Pinehills (1.2% Black).

Plymouth's Asian Population

47 residents of Plymouth, or 0.6% of the population, identify as Asian. The share of Asian residents in Plymouth is lower than in Massachusetts overall, where 7.3% of the population is Asian. Plymouth ranks 136th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Plymouth's Asian population has declined by an estimated 60.8%. Asian residents' share of Plymouth's population has decreased from 1.6% to 0.6%.

Plymouth is more Asian than neighboring North Plymouth (0% Asian), and Kingston (0.2% Asian). Plymouth is less Asian than neighboring South Duxbury (3.8% Asian), Duxbury (8.3% Asian), and The Pinehills (0.7% Asian).

Plymouth's Hispanic Population

476 residents of Plymouth, or 6.0% of the population, identify as Hispanic. The share of Hispanic residents in Plymouth is lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Plymouth ranks 169th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Plymouth's Hispanic population has grown by an estimated 95.9%. Hispanic residents' share of Plymouth's population has increased from 3.2% to 6.0%.

Plymouth is more Hispanic than neighboring South Duxbury (3.1% Hispanic), Kingston (0.3% Hispanic), Duxbury (0.4% Hispanic), and The Pinehills (1.2% Hispanic). Plymouth is less Hispanic than neighboring North Plymouth (6.2% Hispanic).

Plymouth's Native American/Other Population

362 residents of Plymouth, or 4.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Plymouth is slightly higher than in Massachusetts overall, where 1.3% of the population is Native American/Other. Plymouth ranks 29th statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Plymouth's Native American/Other population has grown by an estimated 118.1%. Native American/Other residents' share of Plymouth's population has increased from 2.2% to 4.6%.

Plymouth is more Native American/Other than neighboring South Duxbury (0% Native American/Other), Kingston (0.1% Native American/Other), Duxbury (0% Native American/Other), and The Pinehills (0% Native American/Other). Plymouth is less Native American/Other than neighboring North Plymouth (13.6% Native American/Other).

Plymouth's Multiracial Population

567 residents of Plymouth, or 7.2% of the population, identify as Multiracial. The share of Multiracial residents in Plymouth is slightly higher than in Massachusetts overall, where 5.1% of the population is Multiracial. Plymouth ranks 30th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Plymouth's Multiracial population has grown by an estimated 22.7%. Multiracial residents' share of Plymouth's population has increased from 6.0% to 7.2%.

Plymouth is more Multiracial than neighboring South Duxbury (3.3% Multiracial), Kingston (4.4% Multiracial), Duxbury (1.6% Multiracial), and The Pinehills (1.9% Multiracial). Plymouth is less Multiracial than neighboring North Plymouth (10.3% 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.