Population By Race and Ethnicity in San Mateo County, CA in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 719,948 population of San Mateo County, California comprised of 183,063 people who identified as Hispanic (25.43%), and 536,885 people who identified as Non-Hispanic (74.57%).

Race: The White Alone population was the largest racial group in San Mateo County, California with a population of 466,128 (64.75%); Asian Alone population was the second largest racial group with a population of 183,718 (25.52%); and Two Or More Races was the third largest racial group with a population of 29,561 (4.11%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in San Mateo County, California in 2010, with a population of 305,420 (42.42%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 178,413 (24.78%); and the third largest ethnic group was White Alone - Hispanic with a population of 160,708 (22.32%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in San Mateo, California.

You can find similar information for other California counties, and for California.

See this for other years:
Hispanics and Non Hispanics in San Mateo County, CA in 2010
Total Population:
Race in San Mateo County, CA in 2010
Total Population:
Ethnicity in San Mateo County, CA in 2010
Total Population:
Population By Race in San Mateo , CA in 2010
Race Population Percentage
Black or African American Alone 22,727 3.16%
White Alone 466,128 64.75%
American Indian and Alaska Native Alone 6,402 0.89%
Asian Alone 183,718 25.52%
Native Hawaiian And Pacific Islander Alone 11,412 1.59%
Two Or More Races 29,561 4.11%
Population By Ethnicity in San Mateo , CA in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 3,719 0.52%
White Alone - Hispanic 160,708 22.32%
American Indian and Alaska Native Alone - Hispanic 5,251 0.73%
Asian Alone - Hispanic 5,305 0.74%
Native Hawaiian And Pacific Islander Alone - Hispanic 1,205 0.17%
Two Or More Races - Hispanic 6,875 0.96%
Black or African American Alone - Non Hispanic 19,008 2.64%
White Alone - Non Hispanic 305,420 42.42%
American Indian and Alaska Native Alone - Non Hispanic 1,151 0.16%
Asian Alone - Non Hispanic 178,413 24.78%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 10,207 1.42%
Two Or More Races - Non Hispanic 22,686 3.15%