Siskiyou County, California Citizen Voting-age Population By Race and Ethnicity in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Siskiyou County, CA was 33.78K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (27.66K) and constituted 81.87% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (2.84K) and constituted 8.41% of the total. The Non-Hispanic Two Or More Races ethnicity group had the third highest (1.32K), constituting 3.90% 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 2018

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 2018

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	27660	81.87
Hispanic or Latino of All Races	2840	8.41
Non-Hispanic Two Or More Races	1319	3.90
Non-Hispanic American Indian and Alaska Native Alone	985	2.92
Non-Hispanic Black or African American Alone	495	1.47
Non-Hispanic Asian Alone	415	1.23
Non-Hispanic Native Hawaiian And Pacific Islander Alone	80	0.24