Race, Diversity, and Ethnicity in Sonoma County, CA

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

Sonoma 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 Sonoma County overall is white, making up 58.0% of residents. The next most-common racial group is hispanic at 29.5%. 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 Sonoma County

 
Self-Identified Race
Sonoma County, CA Population
White
58.0%
Hispanic
29.5%
Black
1.6%
Asian
4.6%
Native American
0.3%
Other
6.0%
   

Diversity and Diversity Scores for Sonoma County, CA

The map below shows diversity in Sonoma 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.

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

Sonoma County Diversity Score

57.0

More diverse than 87% of US counties

Sonoma County has a diversity score of 57.0: 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. Sonoma County is much more diverse than other US counties, more diverse than 87% of them. Within Sonoma County's proper boundaries, the most diverse area is central Sonoma County, and the least diverse areas are in southwest Sonoma 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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