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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Nassau County, NY in 2018

Total Population:1,357,423

Non Hispanic (82.98%)

Hispanic (17.02%)

Race in Nassau County, NY in 2018

Total Population:1,357,423

White Alone (73.88%)

Black or African American Alone (12.95%)

Asian Alone (10.58%)

Two or more races (1.94%)

American Indian and Alaska Native Alone (0.56%)

Native Hawaiian And Pacific Islander Alone (0.1%)

Ethnicity in Nassau County, NY in 2018

Total Population:1,357,423

Non-Hispanic White Alone (59.46%)

Hispanic White Alone (14.42%)

Non-Hispanic Black or African American Alone (11.57%)

Non-Hispanic Asian Alone (10.4%)

All Other Ethnicities (2.76%)

Non-Hispanic Two or more races (1.39%)

Population By Race in Nassau , NY in 2018

Race	Population	Percentage
White Alone	1,002,831	73.88%
Black or African American Alone	175,751	12.95%
Asian Alone	143,639	10.58%
Two Or More Races	26,261	1.94%
American Indian and Alaska Native Alone	7,563	0.56%
Native Hawaiian And Pacific Islander Alone	1,378	0.1%

Population By Ethnicity in Nassau , NY in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	807,074	59.46%
White Alone - Hispanic	195,757	14.42%
Black or African American Alone - Non Hispanic	157,100	11.57%
Asian Alone - Non Hispanic	141,185	10.4%
Two Or More Races - Non Hispanic	18,810	1.39%
Black or African American Alone - Hispanic	18,651	1.37%
Two Or More Races - Hispanic	7,451	0.55%
American Indian and Alaska Native Alone - Hispanic	5,843	0.43%
Asian Alone - Hispanic	2,454	0.18%
American Indian and Alaska Native Alone - Non Hispanic	1,720	0.13%
Native Hawaiian And Pacific Islander Alone - Hispanic	886	0.07%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	492	0.04%