Siskiyou, California Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 44.08K population of Siskiyou, CA residents comprised of 5.53K residents who identified as Hispanic or Latino (12.54%), and 38.55K residents who identified as Non-Hispanic (87.46%).

Race: The White Alone population was the largest racial group in Siskiyou, CA, with a population of 33.60K (76.22%). The Two Or More Races population was the second largest racial group in Siskiyou, CA, with a population of 5.05K (11.46%). The American Indian and Alaska Native Alone population was the third largest racial group in Siskiyou, CA, with a population of 2.02K (4.58%). The smallest racial group in Siskiyou, CA was Native Hawaiian And Pacific Islander Alone with a population of 38 (0.09%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Siskiyou, CA, with a population of 32.06K (72.73%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Siskiyou, CA, with a population of 3.10K (7.02%). The Hispanic - Two or More Races population was the third largest ethnic group in Siskiyou, CA, with a population of 1.96K (4.44%). The smallest ethnic group in Siskiyou, CA was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Siskiyou, California from the 2020 decennial census.

You can see similar information for other California counties and also for the state of California.

Siskiyou, CA Hispanics and Non Hispanics Population in Census 2020
Total Population:
Siskiyou, CA Racial Groups in Census 2020
Total Population:
Siskiyou, CA Ethnicity Groups in Census 2020
Total Population:
Siskiyou, CA Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 496 1.13
White Alone 33597 76.22
American Indian and Alaska Native Alone 2019 4.58
Asian Alone 888 2.02
Native Hawaiian And Pacific Islander Alone 38 0.09
Some Other Race Alone 1988 4.51
Two Or More Races 5050 11.46
Siskiyou, CA Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 32057 72.73
Non-Hispanic - Two or More Races 3095 7.02
Hispanic - Two or More Races 1955 4.44
Non-Hispanic - American Indian & Alaska Native 1757 3.99
Hispanic - Some Other Race Alone 1723 3.91
Hispanic - White Alone 1540 3.49
Non-Hispanic - Asian Alone 866 1.97
Non-Hispanic - Black Alone 471 1.07
Non-Hispanic - Some Other Race Alone 265 0.60
Hispanic - American Indian & Alaska Native 262 0.59
Non-Hispanic - Native Hawaiian & Pac. Islander 38 0.09
Hispanic - Black Alone 25 0.06
Hispanic - Asian Alone 22 0.05
Hispanic - Native Hawaiian & Pac. Islander 0 0.00