Islip, NY Demographics

A map of Islip's Population by Race

Islip, New York has an estimated population of 17,362, a decrease from the 18,418 recorded in the 2020 Census. The population is 68.3% White, 20.9% Hispanic, 5.5% Asian, 3.1% Black, 2.1% Multiracial, and 0.1% Native American/Other. This demographic dot map shows the population of Islip, with one dot drawn for each person counted by the Census, color-coded by race.

Islip is about as racially diverse as it was in 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 Islip, that probability was 48.2% in 2020 and 48.5% in the most recent ACS estimates.

Islip is ranked the 110th 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). Islip was ranked the 102nd most populous place in the 2020 Census.

Islip's White Population

11,862 residents of Islip, or 68.3% of the population, identify as White. The share of White residents in Islip is significantly higher than in New York overall, where 52.8% of the population is White. Islip ranks 1040th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islip's White population has declined by an estimated 6.6%. White residents' share of Islip's population has decreased from 69.0% to 68.3%.

Islip is more White than neighboring Bay Shore (32% White), and North Bay Shore (9.5% White). Islip is less White than neighboring East Islip (80% White), Islip Terrace (76% White), and Brightwaters (84.1% White).

Islip's Black Population

531 residents of Islip, or 3.1% of the population, identify as Black. The share of Black residents in Islip is considerably lower than in New York overall, where 13.4% of the population is Black. Islip ranks 263rd statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islip's Black population has declined by an estimated 40.3%. Black residents' share of Islip's population has decreased from 4.8% to 3.1%.

Islip is more Black than neighboring East Islip (2.1% Black), Islip Terrace (0.6% Black), and Brightwaters (3% Black). Islip is less Black than neighboring Bay Shore (13.4% Black), and North Bay Shore (9.8% Black).

Islip's Asian Population

947 residents of Islip, or 5.5% of the population, identify as Asian. The share of Asian residents in Islip is slightly lower than in New York overall, where 9% of the population is Asian. Islip ranks 342nd statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islip's Asian population has grown by an estimated 49.1%. Asian residents' share of Islip's population has increased from 3.4% to 5.5%.

Islip is more Asian than neighboring East Islip (1.4% Asian), Islip Terrace (2.7% Asian), Brightwaters (1% Asian), and North Bay Shore (4.6% Asian). Islip is less Asian than neighboring Bay Shore (10.1% Asian).

Islip's Hispanic Population

3,631 residents of Islip, or 20.9% of the population, identify as Hispanic. The share of Hispanic residents in Islip is comparable to the share in New York overall, where 19.8% of the population is Hispanic. Islip ranks 141st statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islip's Hispanic population has grown by an estimated 1.6%. Hispanic residents' share of Islip's population has increased from 19.4% to 20.9%.

Islip is more Hispanic than neighboring East Islip (13.5% Hispanic), Islip Terrace (19.7% Hispanic), and Brightwaters (6.4% Hispanic). Islip is less Hispanic than neighboring Bay Shore (39.2% Hispanic), and North Bay Shore (72.2% Hispanic).

Islip's Native American/Other Population

23 residents of Islip, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Islip is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Islip ranks 443rd statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islip's Native American/Other population has declined by an estimated 84.0%. Native American/Other residents' share of Islip's population has decreased from 0.8% to 0.1%.

Islip is more Native American/Other than neighboring Islip Terrace (0% Native American/Other), and Brightwaters (0% Native American/Other). Islip is less Native American/Other than neighboring East Islip (1.7% Native American/Other), Bay Shore (0.9% Native American/Other), and North Bay Shore (1.7% Native American/Other).

Islip's Multiracial Population

368 residents of Islip, or 2.1% of the population, identify as Multiracial. The share of Multiracial residents in Islip is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Islip ranks 951st statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islip's Multiracial population has declined by an estimated 22.2%. Multiracial residents' share of Islip's population has decreased from 2.6% to 2.1%.

Islip is more Multiracial than neighboring East Islip (1.3% Multiracial), and Islip Terrace (1% Multiracial). Islip is less Multiracial than neighboring Bay Shore (4.4% Multiracial), Brightwaters (5.4% Multiracial), and North Bay Shore (2.3% 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.