Groton, MA Demographics

A map of Groton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	980	1,057	79.5%	78.1%
Hispanic	73	92	5.9%	6.8%
Multiracial	70	81	5.7%	6.0%
Asian	42	42	3.4%	3.1%
Black	36	66	2.9%	4.9%
Native American/Other	31	15	2.5%	1.1%

Groton, Massachusetts has an estimated population of 1,232, a decrease from the 1,353 recorded in the 2020 Census. The population is 79.5% White, 5.9% Hispanic, 5.7% Multiracial, 3.4% Asian, 2.9% Black, and 2.5% Native American/Other. This demographic dot map shows the population of Groton, with one dot drawn for each person counted by the Census, color-coded by race.

Groton 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 Groton, that probability was 37.8% in 2020 and 35.8% in the most recent ACS estimates.

Groton is ranked the 219th 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). Groton was ranked the 216th most populous place in the 2020 Census.

Groton's White Population

980 residents of Groton, or 79.5% of the population, identify as White. The share of White residents in Groton is considerably higher than in Massachusetts overall, where 66.6% of the population is White. Groton ranks 173rd statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Groton's White population has declined by an estimated 7.3%. White residents' share of Groton's population has increased from 78.1% to 79.5%.

Groton is more White than neighboring Ayer (71.2% White), and Devens (60.5% White). Groton is less White than neighboring East Pepperell (86.4% White), Pepperell (80.3% White), and Shirley (89% White).

Groton's Black Population

36 residents of Groton, or 2.9% of the population, identify as Black. The share of Black residents in Groton is slightly lower than in Massachusetts overall, where 6.4% of the population is Black. Groton ranks 40th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Groton's Black population has declined by an estimated 45.5%. Black residents' share of Groton's population has decreased from 4.9% to 2.9%.

Groton is more Black than neighboring East Pepperell (1.7% Black), and Pepperell (1% Black). Groton is less Black than neighboring Ayer (6.6% Black), Devens (17.4% Black), and Shirley (3.1% Black).

Groton's Asian Population

42 residents of Groton, or 3.4% of the population, identify as Asian. The share of Asian residents in Groton is slightly lower than in Massachusetts overall, where 7.3% of the population is Asian. Groton ranks 75th statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Groton's Asian population has remained roughly the same. Asian residents' share of Groton's population has remained roughly unchanged at 3.4%.

Groton is more Asian than neighboring Shirley (0% Asian). Groton is less Asian than neighboring Ayer (6.9% Asian), East Pepperell (6.1% Asian), Pepperell (9% Asian), and Devens (4% Asian).

Groton's Hispanic Population

73 residents of Groton, or 5.9% of the population, identify as Hispanic. The share of Hispanic residents in Groton is lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Groton ranks 65th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Groton's Hispanic population has declined by an estimated 20.7%. Hispanic residents' share of Groton's population has decreased from 6.8% to 5.9%.

Groton is more Hispanic than neighboring East Pepperell (4.6% Hispanic). Groton is less Hispanic than neighboring Ayer (13.8% Hispanic), Pepperell (7% Hispanic), Devens (15% Hispanic), and Shirley (7.9% Hispanic).

Groton's Native American/Other Population

31 residents of Groton, or 2.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Groton is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Groton ranks 83rd statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Groton's Native American/Other population has grown by an estimated 106.7%. Native American/Other residents' share of Groton's population has increased from 1.1% to 2.5%.

Groton is more Native American/Other than neighboring Ayer (0% Native American/Other), East Pepperell (0% Native American/Other), Pepperell (0.2% Native American/Other), Devens (2.3% Native American/Other), and Shirley (0% Native American/Other).

Groton's Multiracial Population

70 residents of Groton, or 5.7% of the population, identify as Multiracial. The share of Multiracial residents in Groton is comparable to the share in Massachusetts overall, where 5.1% of the population is Multiracial. Groton ranks 32nd statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Groton's Multiracial population has declined by an estimated 13.6%. Multiracial residents' share of Groton's population has remained roughly unchanged at 5.7%.

Groton is more Multiracial than neighboring Ayer (1.4% Multiracial), East Pepperell (1.3% Multiracial), Pepperell (2.4% Multiracial), Devens (0.9% Multiracial), and Shirley (0% 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.