Race, Diversity, and Ethnicity in Union County, NJ

The map below shows majority race by area in Union 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 Union County racial diversity and diversity scores. Click here to scroll to diversity data.

Union County, NJ 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 Union County overall is hispanic, making up 35.5% of residents. The next most-common racial group is white at 34.9%. There are more hispanic people in the east areas of the county. People who identify as white are most likely to be living in the west 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 Union County

 
Self-Identified Race
Union County, NJ Population
White
34.9%
Hispanic
35.5%
Black
19.3%
Asian
5.5%
Native American
0.0%
Other
4.7%
   

Diversity and Diversity Scores for Union County, NJ

The map below shows diversity in Union 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.

Union County, NJ map of race and ethnicity
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Colorblind friendly off

Union County Diversity Score

71.0

More diverse than 99% of US counties

Union County has a diversity score of 71.0: 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. Union County is much more diverse than other US counties, more diverse than 99% of them. Within Union County's proper boundaries, the most diverse area is north Union County, and the least diverse areas are in west Union 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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