San Diego County, California Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 2.61M voting-age population of San Diego County, CA residents comprised of 807.21K residents who identified as Hispanic or Latino (30.94%), and 1.80M residents who identified as Non-Hispanic (69.06%).

Race: The White Alone voting-age population was the largest racial group in San Diego County, CA, with a voting-age population of 1.36M (52.17%). The Some Other Race Alone voting-age population was the second largest racial group in San Diego County, CA, with a voting-age population of 384.74K (14.75%). The Two Or More Races voting-age population was the third largest racial group in San Diego County, CA, with a voting-age population of 358.53K (13.74%). The smallest racial group in San Diego County, CA was Native Hawaiian And Pacific Islander Alone with a voting-age population of 12.05K (0.46%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in San Diego County, CA, with a voting-age population of 1.21M (46.40%). The Hispanic - Some Other Race Alone voting-age population was the second largest ethnic group in San Diego County, CA, with a voting-age population of 371.25K (14.23%). The Non-Hispanic - Asian Alone voting-age population was the third largest ethnic group in San Diego County, CA, with a voting-age population of 331.43K (12.71%). The smallest ethnic group in San Diego County, CA was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 1.34K (0.05%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in San Diego County, California from the 2020 decennial census.

You can see similar information for other California counties and also for the state of California.

San Diego County, CA Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
San Diego County, CA Voting-age Racial Groups in Census 2020
Total Voting-age Population:
San Diego County, CA Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
San Diego County, CA Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 122721 4.70
White Alone 1361055 52.17
American Indian and Alaska Native Alone 31748 1.22
Asian Alone 337925 12.95
Native Hawaiian And Pacific Islander Alone 12046 0.46
Some Other Race Alone 384744 14.75
Two Or More Races 358529 13.74
San Diego County, CA Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 1210351 46.40
Hispanic - Some Other Race Alone 371246 14.23
Non-Hispanic - Asian Alone 331434 12.71
Hispanic - Two or More Races 249634 9.57
Hispanic - White Alone 150704 5.78
Non-Hispanic - Black Alone 116435 4.46
Non-Hispanic - Two or More Races 108895 4.17
Hispanic - American Indian & Alaska Native 21508 0.82
Non-Hispanic - Some Other Race Alone 13498 0.52
Non-Hispanic - Native Hawaiian & Pac. Islander 10703 0.41
Non-Hispanic - American Indian & Alaska Native 10240 0.39
Hispanic - Asian Alone 6491 0.25
Hispanic - Black Alone 6286 0.24
Hispanic - Native Hawaiian & Pac. Islander 1343 0.05