Siskiyou County, California Citizen Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Siskiyou County, CA was 34.18K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (27.50K) and constituted 80.46% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (3.33K) and constituted 9.74% of the total. The Non-Hispanic Two Or More Races ethnicity group had the third highest (1.42K), constituting 4.15% 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:

Siskiyou County, California Citizen Voting-age Population By Race and Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Black Alone

Non-Hispanic Asian Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Siskiyou County, California Citizen Voting-age Population By Race and Ethnicity in 2021

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	27500	80.46
Hispanic or Latino of All Races	3330	9.74
Non-Hispanic Two Or More Races	1420	4.15
Non-Hispanic American Indian and Alaska Native Alone	910	2.66
Non-Hispanic Black or African American Alone	555	1.62
Non-Hispanic Asian Alone	350	1.02
Non-Hispanic Native Hawaiian And Pacific Islander Alone	115	0.34