Nassau County Demographics

A map of Nassau County's Population by Race

Nassau County, New York had a population of 1,395,774 in 2020. It was 55.8% White, 10.5% Black, 11.7% Asian, 18.4% Hispanic, 1.0% Native American/Other, and 2.6% Multiracial. This map presents the population of Nassau County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Nassau County is the 6th most populous county of the 62 counties in New York.

Nassau County's White Population

779,454 residents of Nassau County identify as White, or 55.8%. This makes the White share of the population of Nassau County roughly similar to the White share of the population of New York (52.5% White). Of the 62 counties in New York, Nassau County is ranked #57 in terms of White residents as a share of the population.

Nassau County is more White than neighboring Queens County (22.8% White), Bronx County (8.9% White), Kings County (35.4% White), New York County (46.8% White), and Westchester County (49.5% White).

Nassau County's Black Population

147,216 residents of Nassau County identify as Black, or 10.5%. This makes the Black share of the population of Nassau County roughly similar to the Black share of the population of New York (13.7% Black). Of the 62 counties in New York, Nassau County is ranked #10 in terms of Black residents as a share of the population.

Nassau County is less Black than neighboring Queens County (15.9% Black), Bronx County (28.5% Black), Kings County (26.7% Black), New York County (11.8% Black), and Westchester County (13% Black).

Nassau County's Asian Population

163,165 residents of Nassau County identify as Asian, or 11.7%. This makes the Asian share of the population of Nassau County roughly similar to the Asian share of the population of New York (9.5% Asian). Of the 62 counties in New York, Nassau County is ranked #5 in terms of Asian residents as a share of the population.

Nassau County is more Asian than neighboring Bronx County (4.6% Asian), and Westchester County (6.5% Asian). Nassau County is less Asian than neighboring Queens County (27.3% Asian), Kings County (13.6% Asian), and New York County (13% Asian).

Nassau County's Hispanic Population

256,425 residents of Nassau County identify as Hispanic, or 18.4%. This makes the Hispanic share of the population of Nassau County roughly similar to the Hispanic share of the population of New York (19.5% Hispanic). Of the 62 counties in New York, Nassau County is ranked #10 in terms of Hispanic residents as a share of the population.

Nassau County is less Hispanic than neighboring Queens County (27.8% Hispanic), Bronx County (54.8% Hispanic), Kings County (18.9% Hispanic), New York County (23.8% Hispanic), and Westchester County (26.8% Hispanic).

Nassau County's Native American/Other Population

13,786 residents of Nassau County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.0%. This makes the Native American/Other share of the population of Nassau County roughly similar to the Native American/Other share of the population of New York (1.3% Native American/Other). Of the 62 counties in New York, Nassau County is ranked #14 in terms of Native American/Other residents as a share of the population.

Nassau County is less Native American/Other than neighboring Queens County (2.8% Native American/Other), Bronx County (1.3% Native American/Other), and Kings County (1.4% Native American/Other).

Nassau County's Multiracial Population

35,728 residents of Nassau County identify as Multiracial, or 2.6%. This makes the Multiracial share of the population of Nassau County roughly similar to the Multiracial share of the population of New York (3.6% Multiracial). Of the 62 counties in New York, Nassau County is ranked #59 in terms of Multiracial residents as a share of the population.

Nassau County is more Multiracial than neighboring Bronx County (1.9% Multiracial). Nassau County is less Multiracial than neighboring Queens County (3.5% Multiracial), Kings County (4.1% Multiracial), New York County (3.7% Multiracial), and Westchester County (3.2% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.