Seconsett Island, MA Demographics

A map of Seconsett Island's Population by Race

Seconsett Island, Massachusetts has an estimated population of 168, a dramatic increase from the 98 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Seconsett Island, with one dot drawn for each person counted by the Census, color-coded by race.

Seconsett Island 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 Seconsett Island, that probability was 5.9% in 2020 and 0.0% in the most recent ACS estimates.

Seconsett Island is ranked the 245th 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). Seconsett Island was ranked the 247th most populous place in the 2020 Census.

Seconsett Island's White Population

168 residents of Seconsett Island, or 100.0% of the population, identify as White. The share of White residents in Seconsett Island is significantly higher than in Massachusetts overall, where 66.6% of the population is White. Seconsett Island ranks 2nd statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Seconsett Island's White population has grown by an estimated 76.8%. White residents' share of Seconsett Island's population has increased from 96.9% to 100.0%.

Seconsett Island is more White than neighboring Seabrook (94.7% White), New Seabury (94.9% White), East Falmouth (82% White), and Popponesset (96.3% White).

Seconsett Island's Black Population

0 residents of Seconsett Island, or 0.0% of the population, identify as Black. The share of Black residents in Seconsett Island is lower than in Massachusetts overall, where 6.4% of the population is Black. Seconsett Island ranks 241st statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Seconsett Island's Black population has grown from 0 to an estimated 0. Black residents' share of Seconsett Island's population has remained roughly unchanged at 0.0%.

Seconsett Island is less Black than neighboring East Falmouth (2.2% Black).

Seconsett Island's Asian Population

0 residents of Seconsett Island, or 0.0% of the population, identify as Asian. The share of Asian residents in Seconsett Island is lower than in Massachusetts overall, where 7.3% of the population is Asian. Seconsett Island ranks 241st statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Seconsett Island's Asian population has grown from 0 to an estimated 0. Asian residents' share of Seconsett Island's population has remained roughly unchanged at 0.0%.

Seconsett Island is less Asian than neighboring East Falmouth (1.1% Asian), and Popponesset (1.1% Asian).

Seconsett Island's Hispanic Population

0 residents of Seconsett Island, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Seconsett Island is considerably lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Seconsett Island ranks 247th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Seconsett Island's Hispanic population has grown from 0 to an estimated 0. Hispanic residents' share of Seconsett Island's population has remained roughly unchanged at 0.0%.

Seconsett Island is less Hispanic than neighboring New Seabury (5.1% Hispanic), and East Falmouth (2.4% Hispanic).

Seconsett Island's Native American/Other Population

0 residents of Seconsett Island, 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 Seconsett Island is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Seconsett Island ranks 242nd statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Seconsett Island's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Seconsett Island's population has remained roughly unchanged at 0.0%.

Seconsett Island is less Native American/Other than neighboring East Falmouth (2% Native American/Other).

Seconsett Island's Multiracial Population

0 residents of Seconsett Island, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Seconsett Island is lower than in Massachusetts overall, where 5.1% of the population is Multiracial. Seconsett Island ranks 198th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Seconsett Island's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Seconsett Island's population has decreased from 3.1% to 0.0%.

Seconsett Island is less Multiracial than neighboring Seabrook (5.3% Multiracial), East Falmouth (10.3% Multiracial), and Popponesset (2.7% 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.