Population By Race and Ethnicity in Suffolk County, NY in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 1,483,862 population of Suffolk County, New York comprised of 284,168 people who identified as Hispanic (19.15%), and 1,199,694 people who identified as Non-Hispanic (80.85%).

Race: The White Alone population was the largest racial group in Suffolk County, New York with a population of 1,256,667 (84.69%); Black or African American Alone population was the second largest racial group with a population of 127,011 (8.56%); and Asian Alone was the third largest racial group with a population of 61,246 (4.13%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Suffolk County, New York in 2017, with a population of 1,009,174 (68.01%); the second largest ethnic group was White Alone - Hispanic with a population of 247,493 (16.68%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 107,839 (7.27%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Suffolk, 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 Suffolk County, NY in 2017
Total Population:
Race in Suffolk County, NY in 2017
Total Population:
Ethnicity in Suffolk County, NY in 2017
Total Population:
Population By Race in Suffolk , NY in 2017
Race Population Percentage
Black or African American Alone 127,011 8.56%
White Alone 1,256,667 84.69%
American Indian and Alaska Native Alone 9,235 0.62%
Asian Alone 61,246 4.13%
Native Hawaiian And Pacific Islander Alone 1,423 0.1%
Two Or More Races 28,280 1.91%
Population By Ethnicity in Suffolk , NY in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 19,172 1.29%
White Alone - Hispanic 247,493 16.68%
American Indian and Alaska Native Alone - Hispanic 6,284 0.42%
Asian Alone - Hispanic 2,090 0.14%
Native Hawaiian And Pacific Islander Alone - Hispanic 1,067 0.07%
Two Or More Races - Hispanic 8,062 0.54%
Black or African American Alone - Non Hispanic 107,839 7.27%
White Alone - Non Hispanic 1,009,174 68.01%
American Indian and Alaska Native Alone - Non Hispanic 2,951 0.2%
Asian Alone - Non Hispanic 59,156 3.99%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 356 0.02%
Two Or More Races - Non Hispanic 20,218 1.36%