Population By Race and Ethnicity in Suffolk County, NY in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 1,498,910 population of Suffolk County, New York comprised of 255,155 people who identified as Hispanic (17.02%), and 1,243,755 people who identified as Non-Hispanic (82.98%).

Race: The White Alone population was the largest racial group in Suffolk County, New York with a population of 1,289,880 (86.06%); Black or African American Alone population was the second largest racial group with a population of 120,442 (8.04%); and Asian Alone was the third largest racial group with a population of 54,269 (3.62%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Suffolk County, New York in 2011, with a population of 1,065,786 (71.1%); the second largest ethnic group was White Alone - Hispanic with a population of 224,094 (14.95%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 103,978 (6.94%).

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 2011
Total Population:
Race in Suffolk County, NY in 2011
Total Population:
Ethnicity in Suffolk County, NY in 2011
Total Population:
Population By Race in Suffolk , NY in 2011
Race Population Percentage
Black or African American Alone 120,442 8.04%
White Alone 1,289,880 86.06%
American Indian and Alaska Native Alone 8,412 0.56%
Asian Alone 54,269 3.62%
Native Hawaiian And Pacific Islander Alone 1,183 0.08%
Two Or More Races 24,724 1.65%
Population By Ethnicity in Suffolk , NY in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 16,464 1.1%
White Alone - Hispanic 224,094 14.95%
American Indian and Alaska Native Alone - Hispanic 5,434 0.36%
Asian Alone - Hispanic 1,778 0.12%
Native Hawaiian And Pacific Islander Alone - Hispanic 853 0.06%
Two Or More Races - Hispanic 6,532 0.44%
Black or African American Alone - Non Hispanic 103,978 6.94%
White Alone - Non Hispanic 1,065,786 71.1%
American Indian and Alaska Native Alone - Non Hispanic 2,978 0.2%
Asian Alone - Non Hispanic 52,491 3.5%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 330 0.02%
Two Or More Races - Non Hispanic 18,192 1.21%