West Islip, NY Demographics

A map of West Islip's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	21,826	23,078	81.2%	85.3%
Hispanic	3,451	2,659	12.8%	9.8%
Multiracial	857	557	3.2%	2.1%
Asian	325	528	1.2%	2.0%
Black	283	166	1.1%	0.6%
Native American/Other	123	60	0.5%	0.2%

West Islip, New York has an estimated population of 26,865, a less than 1% change from the 27,048 recorded in the 2020 Census. The population is 81.2% White, 12.8% Hispanic, 3.2% Multiracial, 1.2% Asian, 1.1% Black, and 0.5% Native American/Other. This demographic dot map shows the population of West Islip, with one dot drawn for each person counted by the Census, color-coded by race.

West Islip has become considerably more 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 West Islip, that probability was 26.2% in 2020 and 32.2% in the most recent ACS estimates.

West Islip is ranked the 58th 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). West Islip was ranked the 58th most populous place in the 2020 Census.

West Islip's White Population

21,826 residents of West Islip, or 81.2% of the population, identify as White. The share of White residents in West Islip is significantly higher than in New York overall, where 52.8% of the population is White. West Islip ranks 666th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Islip's White population has declined by an estimated 5.4%. White residents' share of West Islip's population has decreased from 85.3% to 81.2%.

West Islip is more White than neighboring West Bay Shore (80.9% White), North Babylon (58.5% White), and Baywood (30.5% White). West Islip is less White than neighboring Babylon (82.2% White), and Brightwaters (84.1% White).

West Islip's Black Population

283 residents of West Islip, or 1.1% of the population, identify as Black. The share of Black residents in West Islip is considerably lower than in New York overall, where 13.4% of the population is Black. West Islip ranks 940th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Islip's Black population has grown by an estimated 70.5%. Black residents' share of West Islip's population has increased from 0.6% to 1.1%.

West Islip is less Black than neighboring Babylon (1.8% Black), Brightwaters (3% Black), West Bay Shore (2.3% Black), North Babylon (15.3% Black), and Baywood (13.2% Black).

West Islip's Asian Population

325 residents of West Islip, or 1.2% of the population, identify as Asian. The share of Asian residents in West Islip is lower than in New York overall, where 9% of the population is Asian. West Islip ranks 517th statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Islip's Asian population has declined by an estimated 38.4%. Asian residents' share of West Islip's population has decreased from 2.0% to 1.2%.

West Islip is more Asian than neighboring Brightwaters (1% Asian). West Islip is less Asian than neighboring West Bay Shore (2.4% Asian), North Babylon (4.2% Asian), and Baywood (4.7% Asian).

West Islip's Hispanic Population

3,451 residents of West Islip, or 12.8% of the population, identify as Hispanic. The share of Hispanic residents in West Islip is lower than in New York overall, where 19.8% of the population is Hispanic. West Islip ranks 373rd statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Islip's Hispanic population has grown by an estimated 29.8%. Hispanic residents' share of West Islip's population has increased from 9.8% to 12.8%.

West Islip is more Hispanic than neighboring Babylon (10.5% Hispanic), Brightwaters (6.4% Hispanic), and West Bay Shore (11.8% Hispanic). West Islip is less Hispanic than neighboring North Babylon (17.3% Hispanic), and Baywood (48.6% Hispanic).

West Islip's Native American/Other Population

123 residents of West Islip, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in West Islip is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. West Islip ranks 1083rd statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Islip's Native American/Other population has grown by an estimated 105.0%. Native American/Other residents' share of West Islip's population has remained roughly unchanged at 0.5%.

West Islip is more Native American/Other than neighboring Brightwaters (0% Native American/Other), and Baywood (0.2% Native American/Other). West Islip is less Native American/Other than neighboring Babylon (1.3% Native American/Other), West Bay Shore (0.8% Native American/Other), and North Babylon (0.9% Native American/Other).

West Islip's Multiracial Population

857 residents of West Islip, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in West Islip is comparable to the share in New York overall, where 3.8% of the population is Multiracial. West Islip ranks 1146th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Islip's Multiracial population has grown by an estimated 53.9%. Multiracial residents' share of West Islip's population has increased from 2.1% to 3.2%.

West Islip is more Multiracial than neighboring Babylon (2.9% Multiracial), West Bay Shore (1.7% Multiracial), and Baywood (2.8% Multiracial). West Islip is less Multiracial than neighboring Brightwaters (5.4% Multiracial), and North Babylon (3.8% 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.