Setauket, NY Demographics

A map of Setauket's Population by Race

Setauket, New York has an estimated population of 4,069, a slight increase from the 3,986 recorded in the 2020 Census. The population is 82.2% White, 7.1% Asian, 4.7% Hispanic, 2.6% Multiracial, 2.2% Black, and 1.2% Native American/Other. This demographic dot map shows the population of Setauket, with one dot drawn for each person counted by the Census, color-coded by race.

Setauket has become less racially diverse since the 2020 Census. It is considerably less diverse than New York overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Setauket, that probability was 36.3% in 2020 and 31.6% in the most recent ACS estimates.

Setauket is ranked the 412th most populous place in New York, out of 1,291 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). Setauket was ranked the 418th most populous place in the 2020 Census.

Setauket's White Population

3,344 residents of Setauket, or 82.2% of the population, identify as White. The share of White residents in Setauket is significantly higher than in New York overall, where 52.8% of the population is White. Setauket ranks 847th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Setauket's White population has grown by an estimated 6.2%. White residents' share of Setauket's population has increased from 79.0% to 82.2%.

Setauket is more White than neighboring Poquott (81.4% White), East Setauket (73.2% White), Stony Brook University (35.7% White), and Stony Brook (73.7% White). Setauket is less White than neighboring Old Field (82.5% White).

Setauket's Black Population

88 residents of Setauket, or 2.2% of the population, identify as Black. The share of Black residents in Setauket is considerably lower than in New York overall, where 13.4% of the population is Black. Setauket ranks 589th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Setauket's Black population has grown by an estimated 31.3%. Black residents' share of Setauket's population has increased from 1.7% to 2.2%.

Setauket is more Black than neighboring Old Field (0.8% Black), and Poquott (0.2% Black). Setauket is less Black than neighboring East Setauket (2.5% Black), Stony Brook University (7.5% Black), and Stony Brook (2.5% Black).

Setauket's Asian Population

288 residents of Setauket, or 7.1% of the population, identify as Asian. The share of Asian residents in Setauket is comparable to the share in New York overall, where 9% of the population is Asian. Setauket ranks 129th statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Setauket's Asian population has declined by an estimated 16.8%. Asian residents' share of Setauket's population has decreased from 8.7% to 7.1%.

Setauket is more Asian than neighboring Old Field (6.7% Asian), and Poquott (6.4% Asian). Setauket is less Asian than neighboring East Setauket (10.6% Asian), Stony Brook University (43.3% Asian), and Stony Brook (15.1% Asian).

Setauket's Hispanic Population

192 residents of Setauket, or 4.7% of the population, identify as Hispanic. The share of Hispanic residents in Setauket is significantly lower than in New York overall, where 19.8% of the population is Hispanic. Setauket ranks 536th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Setauket's Hispanic population has declined by an estimated 25.3%. Hispanic residents' share of Setauket's population has decreased from 6.4% to 4.7%.

Setauket is more Hispanic than neighboring Old Field (2.4% Hispanic). Setauket is less Hispanic than neighboring Poquott (9% Hispanic), East Setauket (8.7% Hispanic), Stony Brook University (10.6% Hispanic), and Stony Brook (7% Hispanic).

Setauket's Native American/Other Population

50 residents of Setauket, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Setauket is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Setauket ranks 934th statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Setauket's Native American/Other population has grown by an estimated 233.3%. Native American/Other residents' share of Setauket's population has increased from 0.4% to 1.2%.

Setauket is more Native American/Other than neighboring Poquott (1.1% Native American/Other), East Setauket (0.4% Native American/Other), Stony Brook University (0.3% Native American/Other), and Stony Brook (0.4% Native American/Other). Setauket is less Native American/Other than neighboring Old Field (2.8% Native American/Other).

Setauket's Multiracial Population

107 residents of Setauket, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Setauket is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Setauket ranks 506th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Setauket's Multiracial population has declined by an estimated 30.1%. Multiracial residents' share of Setauket's population has decreased from 3.8% to 2.6%.

Setauket is more Multiracial than neighboring Poquott (2% Multiracial), and Stony Brook (1.3% Multiracial). Setauket is less Multiracial than neighboring Old Field (4.9% Multiracial), and East Setauket (4.6% 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.