Mount Sinai, NY Demographics

A map of Mount Sinai's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	8,649	9,556	78.0%	82.2%
Hispanic	1,589	984	14.3%	8.5%
Asian	344	599	3.1%	5.2%
Multiracial	300	267	2.7%	2.3%
Black	209	157	1.9%	1.4%
Native American/Other	2	60	0.0%	0.5%

Mount Sinai, New York has an estimated population of 11,093, a decrease from the 11,623 recorded in the 2020 Census. The population is 78.0% White, 14.3% Hispanic, 3.1% Asian, 2.7% Multiracial, 1.9% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Mount Sinai, with one dot drawn for each person counted by the Census, color-coded by race.

Mount Sinai 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 Mount Sinai, that probability was 31.4% in 2020 and 37.0% in the most recent ACS estimates.

Mount Sinai is ranked the 174th 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). Mount Sinai was ranked the 172nd most populous place in the 2020 Census.

Mount Sinai's White Population

8,649 residents of Mount Sinai, or 78.0% of the population, identify as White. The share of White residents in Mount Sinai is significantly higher than in New York overall, where 52.8% of the population is White. Mount Sinai ranks 768th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Mount Sinai's White population has declined by an estimated 9.5%. White residents' share of Mount Sinai's population has decreased from 82.2% to 78.0%.

Mount Sinai is more White than neighboring Terryville (68.2% White), and Port Jefferson Station (58.1% White). Mount Sinai is less White than neighboring Miller Place (81.4% White), Port Jefferson (78.3% White), and Belle Terre (84.9% White).

Mount Sinai's Black Population

209 residents of Mount Sinai, or 1.9% of the population, identify as Black. The share of Black residents in Mount Sinai is considerably lower than in New York overall, where 13.4% of the population is Black. Mount Sinai ranks 678th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Mount Sinai's Black population has grown by an estimated 33.1%. Black residents' share of Mount Sinai's population has increased from 1.4% to 1.9%.

Mount Sinai is more Black than neighboring Miller Place (0.5% Black), and Port Jefferson (0.4% Black). Mount Sinai is less Black than neighboring Terryville (4.6% Black), Port Jefferson Station (3.2% Black), and Belle Terre (4.2% Black).

Mount Sinai's Asian Population

344 residents of Mount Sinai, or 3.1% of the population, identify as Asian. The share of Asian residents in Mount Sinai is lower than in New York overall, where 9% of the population is Asian. Mount Sinai ranks 232nd statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Mount Sinai's Asian population has declined by an estimated 42.6%. Asian residents' share of Mount Sinai's population has decreased from 5.2% to 3.1%.

Mount Sinai is more Asian than neighboring Terryville (2.6% Asian), and Belle Terre (1.9% Asian). Mount Sinai is less Asian than neighboring Miller Place (3.6% Asian), Port Jefferson (6.4% Asian), and Port Jefferson Station (4.7% Asian).

Mount Sinai's Hispanic Population

1,589 residents of Mount Sinai, or 14.3% of the population, identify as Hispanic. The share of Hispanic residents in Mount Sinai is lower than in New York overall, where 19.8% of the population is Hispanic. Mount Sinai ranks 428th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Mount Sinai's Hispanic population has grown by an estimated 61.5%. Hispanic residents' share of Mount Sinai's population has increased from 8.5% to 14.3%.

Mount Sinai is more Hispanic than neighboring Miller Place (11.9% Hispanic), Port Jefferson (10.5% Hispanic), and Belle Terre (3.6% Hispanic). Mount Sinai is less Hispanic than neighboring Terryville (21.9% Hispanic), and Port Jefferson Station (31.5% Hispanic).

Mount Sinai's Native American/Other Population

2 residents of Mount Sinai, 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 Mount Sinai is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Mount Sinai ranks 744th statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Mount Sinai's Native American/Other population has declined by an estimated 96.7%. Native American/Other residents' share of Mount Sinai's population has decreased from 0.5% to 0.0%.

Mount Sinai is less Native American/Other than neighboring Miller Place (2.1% Native American/Other), Port Jefferson (0.6% Native American/Other), Terryville (1.2% Native American/Other), and Belle Terre (1.1% Native American/Other).

Mount Sinai's Multiracial Population

300 residents of Mount Sinai, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Mount Sinai is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Mount Sinai ranks 1067th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Mount Sinai's Multiracial population has grown by an estimated 12.4%. Multiracial residents' share of Mount Sinai's population has remained roughly unchanged at 2.7%.

Mount Sinai is more Multiracial than neighboring Miller Place (0.6% Multiracial), Terryville (1.5% Multiracial), and Port Jefferson Station (2.6% Multiracial). Mount Sinai is less Multiracial than neighboring Port Jefferson (3.9% Multiracial), and Belle Terre (4.3% 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.