Sonoma 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 Sonoma County, CA was 357.04K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (265.86K) and constituted 74.46% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (60.17K) and constituted 16.85% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (13.98K), constituting 3.91% 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:

Sonoma 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 Two Or More Races

Non-Hispanic Black Alone

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Sonoma 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	265855	74.46
Hispanic or Latino of All Races	60165	16.85
Non-Hispanic Asian Alone	13975	3.91
Non-Hispanic Two Or More Races	9935	2.78
Non-Hispanic Black or African American Alone	4635	1.30
Non-Hispanic American Indian and Alaska Native Alone	1780	0.50
Non-Hispanic Native Hawaiian And Pacific Islander Alone	690	0.19