South Berwick, ME Demographics

A map of South Berwick's Population by Race

South Berwick, Maine has an estimated population of 3,381, a large decrease from the 3,825 recorded in the 2020 Census. The population is 90.6% White, 6.1% Multiracial, 2.7% Hispanic, 0.6% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of South Berwick, with one dot drawn for each person counted by the Census, color-coded by race.

South Berwick has become more racially diverse since the 2020 Census. It is less diverse than Maine overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In South Berwick, that probability was 15.9% in 2020 and 17.5% in the most recent ACS estimates.

South Berwick is ranked the 43rd most populous place in Maine, out of 155 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). South Berwick was ranked the 40th most populous place in the 2020 Census.

South Berwick's White Population

3,063 residents of South Berwick, or 90.6% of the population, identify as White. The share of White residents in South Berwick is comparable to the share in Maine overall, where 89.9% of the population is White. South Berwick ranks 89th statewide in terms of White residents as a share of the population, out of 155 places.

Since the 2020 Census, South Berwick's White population has declined by an estimated 12.5%. White residents' share of South Berwick's population has decreased from 91.6% to 90.6%.

South Berwick is more White than neighboring Somersworth (83.2% White), North Berwick (88.3% White), Dover (85.3% White), and South Eliot (87.3% White). South Berwick is less White than neighboring Berwick (91.2% White).

South Berwick's Black Population

0 residents of South Berwick, or 0.0% of the population, identify as Black. The share of Black residents in South Berwick is comparable to the share in Maine overall, where 1.8% of the population is Black. South Berwick ranks 75th statewide in terms of Black residents as a share of the population, out of 155 places.

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

South Berwick is less Black than neighboring Somersworth (2.2% Black), Dover (1.2% Black), and South Eliot (1.1% Black).

South Berwick's Asian Population

20 residents of South Berwick, or 0.6% of the population, identify as Asian. The share of Asian residents in South Berwick is comparable to the share in Maine overall, where 1.1% of the population is Asian. South Berwick ranks 66th statewide in terms of Asian residents as a share of the population, out of 155 places.

Since the 2020 Census, South Berwick's Asian population has declined by an estimated 39.4%. Asian residents' share of South Berwick's population has remained roughly unchanged at 0.6%.

South Berwick is more Asian than neighboring North Berwick (0% Asian), and South Eliot (0% Asian). South Berwick is less Asian than neighboring Berwick (4.2% Asian), Somersworth (2.6% Asian), and Dover (4.8% Asian).

South Berwick's Hispanic Population

91 residents of South Berwick, or 2.7% of the population, identify as Hispanic. The share of Hispanic residents in South Berwick is comparable to the share in Maine overall, where 2.2% of the population is Hispanic. South Berwick ranks 62nd statewide in terms of Hispanic residents as a share of the population, out of 155 places.

Since the 2020 Census, South Berwick's Hispanic population has grown by an estimated 23.0%. Hispanic residents' share of South Berwick's population has increased from 1.9% to 2.7%.

South Berwick is less Hispanic than neighboring Berwick (3.3% Hispanic), Somersworth (6% Hispanic), Dover (3.5% Hispanic), and South Eliot (6.1% Hispanic).

South Berwick's Native American/Other Population

0 residents of South Berwick, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in South Berwick is comparable to the share in Maine overall, where 0.7% of the population is Native American/Other. South Berwick ranks 134th statewide in terms of Native American/Other residents as a share of the population, out of 155 places.

Since the 2020 Census, South Berwick's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of South Berwick's population has remained roughly unchanged at 0.0%.

South Berwick is less Native American/Other than neighboring Somersworth (0.3% Native American/Other), Dover (0.7% Native American/Other), and South Eliot (2.9% Native American/Other).

South Berwick's Multiracial Population

207 residents of South Berwick, or 6.1% of the population, identify as Multiracial. The share of Multiracial residents in South Berwick is comparable to the share in Maine overall, where 4.2% of the population is Multiracial. South Berwick ranks 31st statewide in terms of Multiracial residents as a share of the population, out of 155 places.

Since the 2020 Census, South Berwick's Multiracial population has grown by an estimated 15.0%. Multiracial residents' share of South Berwick's population has increased from 4.7% to 6.1%.

South Berwick is more Multiracial than neighboring Berwick (1.3% Multiracial), Somersworth (5.8% Multiracial), Dover (4.5% Multiracial), and South Eliot (2.6% Multiracial). South Berwick is less Multiracial than neighboring North Berwick (9% 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.