Population By Race and Ethnicity in Nassau County, NY in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 1,357,423 population of Nassau County, New York comprised of 231,042 people who identified as Hispanic (17.02%), and 1,126,381 people who identified as Non-Hispanic (82.98%).

Race: The White Alone population was the largest racial group in Nassau County, New York with a population of 1,002,831 (73.88%); Black or African American Alone population was the second largest racial group with a population of 175,751 (12.95%); and Asian Alone was the third largest racial group with a population of 143,639 (10.58%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Nassau County, New York in 2018, with a population of 807,074 (59.46%); the second largest ethnic group was White Alone - Hispanic with a population of 195,757 (14.42%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 157,100 (11.57%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Nassau, New York.

You can find similar information for other New York counties, and for New York.

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Hispanics and Non Hispanics in Nassau County, NY in 2018
Total Population:
Race in Nassau County, NY in 2018
Total Population:
Ethnicity in Nassau County, NY in 2018
Total Population:
Population By Race in Nassau , NY in 2018
Race Population Percentage
Black or African American Alone 175,751 12.95%
White Alone 1,002,831 73.88%
American Indian and Alaska Native Alone 7,563 0.56%
Asian Alone 143,639 10.58%
Native Hawaiian And Pacific Islander Alone 1,378 0.1%
Two Or More Races 26,261 1.94%
Population By Ethnicity in Nassau , NY in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 18,651 1.37%
White Alone - Hispanic 195,757 14.42%
American Indian and Alaska Native Alone - Hispanic 5,843 0.43%
Asian Alone - Hispanic 2,454 0.18%
Native Hawaiian And Pacific Islander Alone - Hispanic 886 0.07%
Two Or More Races - Hispanic 7,451 0.55%
Black or African American Alone - Non Hispanic 157,100 11.57%
White Alone - Non Hispanic 807,074 59.46%
American Indian and Alaska Native Alone - Non Hispanic 1,720 0.13%
Asian Alone - Non Hispanic 141,185 10.4%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 492 0.04%
Two Or More Races - Non Hispanic 18,810 1.39%