Islandia, NY Demographics

A map of Islandia's Population by Race

Islandia, New York has an estimated population of 3,600, a less than 1% change from the 3,567 recorded in the 2020 Census. The population is 32.0% Hispanic, 29.1% White, 17.5% Black, 10.6% Native American/Other, 6.3% Asian, and 4.4% Multiracial. This demographic dot map shows the population of Islandia, with one dot drawn for each person counted by the Census, color-coded by race.

Islandia has become considerably more racially diverse since the 2020 Census. It is considerably more 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 Islandia, that probability was 66.5% in 2020 and 76.5% in the most recent ACS estimates.

Islandia is ranked the 451st 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). Islandia was ranked the 453rd most populous place in the 2020 Census.

Islandia's White Population

1,048 residents of Islandia, or 29.1% of the population, identify as White. The share of White residents in Islandia is significantly lower than in New York overall, where 52.8% of the population is White. Islandia ranks 1209th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islandia's White population has declined by an estimated 36.5%. White residents' share of Islandia's population has decreased from 46.3% to 29.1%.

Islandia is more White than neighboring Central Islip (14.2% White). Islandia is less White than neighboring Hauppauge (75.2% White), Nesconset (74% White), Ronkonkoma (62.4% White), and North Great River (55.1% White).

Islandia's Black Population

630 residents of Islandia, or 17.5% of the population, identify as Black. The share of Black residents in Islandia is slightly higher than in New York overall, where 13.4% of the population is Black. Islandia ranks 97th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islandia's Black population has grown by an estimated 44.2%. Black residents' share of Islandia's population has increased from 12.3% to 17.5%.

Islandia is more Black than neighboring Central Islip (16.9% Black), Hauppauge (1.3% Black), Nesconset (3.6% Black), Ronkonkoma (5.4% Black), and North Great River (3.5% Black).

Islandia's Asian Population

227 residents of Islandia, or 6.3% of the population, identify as Asian. The share of Asian residents in Islandia is slightly lower than in New York overall, where 9% of the population is Asian. Islandia ranks 196th statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islandia's Asian population has grown by an estimated 3.7%. Asian residents' share of Islandia's population has remained roughly unchanged at 6.3%.

Islandia is more Asian than neighboring Central Islip (1.8% Asian), Ronkonkoma (6.1% Asian), and North Great River (1.7% Asian). Islandia is less Asian than neighboring Hauppauge (10% Asian), and Nesconset (7.2% Asian).

Islandia's Hispanic Population

1,153 residents of Islandia, or 32.0% of the population, identify as Hispanic. The share of Hispanic residents in Islandia is considerably higher than in New York overall, where 19.8% of the population is Hispanic. Islandia ranks 59th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islandia's Hispanic population has grown by an estimated 1.6%. Hispanic residents' share of Islandia's population has remained roughly unchanged at 32.0%.

Islandia is more Hispanic than neighboring Hauppauge (9% Hispanic), Nesconset (10.5% Hispanic), Ronkonkoma (24.7% Hispanic), and North Great River (28.8% Hispanic). Islandia is less Hispanic than neighboring Central Islip (63.1% Hispanic).

Islandia's Native American/Other Population

383 residents of Islandia, or 10.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Islandia is higher than in New York overall, where 1.2% of the population is Native American/Other. Islandia ranks 324th statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islandia's Native American/Other population has grown by an estimated 1060.6%. Native American/Other residents' share of Islandia's population has increased from 0.9% to 10.6%.

Islandia is more Native American/Other than neighboring Central Islip (1.2% Native American/Other), Hauppauge (1.5% Native American/Other), Nesconset (0% Native American/Other), Ronkonkoma (0.3% Native American/Other), and North Great River (2.8% Native American/Other).

Islandia's Multiracial Population

159 residents of Islandia, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Islandia is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Islandia ranks 942nd statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Islandia's Multiracial population has grown by an estimated 72.8%. Multiracial residents' share of Islandia's population has increased from 2.6% to 4.4%.

Islandia is more Multiracial than neighboring Central Islip (2.9% Multiracial), Hauppauge (2.9% Multiracial), and Ronkonkoma (1.2% Multiracial). Islandia is less Multiracial than neighboring Nesconset (4.7% Multiracial), and North Great River (8.1% 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.