Race, Diversity, and Ethnicity in Orange County, CA

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

Orange County, CA 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 Orange County overall is white, making up 36.8% of residents. The next most-common racial group is hispanic at 33.2%. There are more white people in the southwest areas of the county. People who identify as hispanic are most likely to be living in the central 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 Orange County

 
Self-Identified Race
Orange County, CA Population
White
36.8%
Hispanic
33.2%
Black
1.6%
Asian
23.2%
Native American
0.1%
Other
5.1%
   

Diversity and Diversity Scores for Orange County, CA

The map below shows diversity in Orange 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.

Orange County, CA map of race and ethnicity
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Colorblind friendly off

Orange County Diversity Score

69.8

More diverse than 99% of US counties

Orange County has a diversity score of 69.8: 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. Orange County is much more diverse than other US counties, more diverse than 99% of them. Within Orange County's proper boundaries, the most diverse area is west Orange County, and the least diverse areas are in central Orange 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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