San Mateo, California Non-Hispanic Voting-age Population By Race in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among the 468.99K of the San Mateo, CA Non-Hispanic (not hispanic or latino) voting-age population, 49.65% of them (232.86K people) identified their race as White Alone, 40.13% of them (188.22K people) identified their race as Asian Alone, and 4.91% of them (23.01K people) identified their race as Two Or More Races.

The first chart below shows the non-hispanic voting-age population by race and the second chart shows the percentage of the San Mateo, CA non-hispanic voting-age population for each racial group. You can also find this information in a table at the bottom of the page.

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

San Mateo, CA Non-Hispanic Voting-age Population By Race in Census 2020
White Alone
Asian Alone
Two Or More Races
Black or African American Alone
Native Hawaiian And Pacific Islander Alone
Some Other Race Alone
American Indian and Alaska Native Alone
Percentage of San Mateo, CA Non-Hispanic Voting-age Population By Race in Census 2020
White Alone
Asian Alone
Two Or More Races
Black or African American Alone
Native Hawaiian And Pacific Islander Alone
Some Other Race Alone
American Indian and Alaska Native Alone
San Mateo, CA Non-Hispanic Voting-age Population By Race in Census 2020
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Race Voting-age Population % of County Non-Hispanic Voting-age Population
Black or African American Alone 12828 2.74
White Alone 232859 49.65
American Indian and Alaska Native Alone 846 0.18
Asian Alone 188217 40.13
Native Hawaiian And Pacific Islander Alone 6947 1.48
Some Other Race Alone 4288 0.91
Two Or More Races 23006 4.91