Race, Diversity, and Ethnicity in Suffolk County, NY

The map below shows majority race by area in Suffolk County, as self-identified on the US census. Darker shades indicate a larger racial majority in that neighborhood. This page also contains data and maps on Suffolk County racial diversity and diversity scores. Click here to scroll to diversity data.

Suffolk County, NY map of race and ethnicity
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White
Hispanic
Black
Asian
Multiple/Other
WhiteHispanicBlackAsianMultiple/Other
Majority race by area

The majority race in Suffolk County overall is white, making up 60.7% of residents. The next most-common racial group is hispanic at 19.6%. There are more white people in the northwest areas of the county. People who identify as hispanic are most likely to be living in the southwest places. The data below shows how many people identify themselves as each of the following races, which most Americans base on their family's national origin:

Race in Suffolk County

 
Self-Identified Race
Suffolk County, NY Population
White
60.7%
Hispanic
19.6%
Black
6.0%
Asian
4.4%
Native American
1.1%
Other
8.1%
   

Diversity and Diversity Scores for Suffolk County, NY

The map below shows diversity in Suffolk County. Areas in green are more diverse, while areas in red are much less diverse. Diversity, in this case, means a mixture of people with different race and ethnicity living close to one another. For example, all-black and all-white areas in the county would both be considered lacking diversity.

Suffolk County, NY map of race and ethnicity
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Suffolk County Diversity Score

58.1

More diverse than 89% of US counties

Suffolk County has a diversity score of 58.1: the chance, in percent, that two residents picked at random belong to different racial or ethnic groups, from ACS race counts. A place where everyone shares one group scores 0, and an even mix of the six groups in the chart above scores the maximum, 83.3. Suffolk County is much more diverse than other US counties, more diverse than 89% of them. Within Suffolk County's proper boundaries, the most diverse area is southwest Suffolk County, and the least diverse areas are in northwest Suffolk County.

Source: BestNeighborhood calculations from the U.S. Census Bureau, American Community Survey (ACS) 2020-2024 5-year estimates (race and Hispanic origin); proprietary data mapping and analysis. Special thanks to the University of Virginia.

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