Sonoma County, California Citizen Voting-age Population By Race and Ethnicity in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Sonoma County, CA was 347.29K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (268.42K) and constituted 77.29% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (49.94K) and constituted 14.38% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (11.97K), constituting 3.45% 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 2015

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 2015

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	268415	77.29
Hispanic or Latino of All Races	49935	14.38
Non-Hispanic Asian Alone	11965	3.45
Non-Hispanic Two Or More Races	8960	2.58
Non-Hispanic Black or African American Alone	4980	1.43
Non-Hispanic American Indian and Alaska Native Alone	2040	0.59
Non-Hispanic Native Hawaiian And Pacific Islander Alone	985	0.28