San Diego County, California Citizen Voting-age Population By Race and Ethnicity in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for San Diego County, CA was 2.30M. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (1.23M) and constituted 53.40% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (613.95K) and constituted 26.73% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (248.17K), constituting 10.81% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

You can also see similar information for other California counties, and for California.

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

San Diego County, California Citizen Voting-age Population By Race and Ethnicity in 2020

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Non-Hispanic American Indian & Alaska Native Alone

San Diego County, California Citizen Voting-age Population By Race and Ethnicity in 2020

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	1226270	53.40
Hispanic or Latino of All Races	613950	26.73
Non-Hispanic Asian Alone	248165	10.81
Non-Hispanic Black or African American Alone	119100	5.19
Non-Hispanic Two Or More Races	69050	3.01
Non-Hispanic Native Hawaiian And Pacific Islander Alone	10220	0.45
Non-Hispanic American Indian and Alaska Native Alone	9745	0.42