Population By Race and Ethnicity in San Mateo County, CA in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 768,658 population of San Mateo County, California comprised of 186,503 people who identified as Hispanic (24.26%), and 582,155 people who identified as Non-Hispanic (75.74%).

Race: The White Alone population was the largest racial group in San Mateo County, California with a population of 464,206 (60.39%); Asian Alone population was the second largest racial group with a population of 227,924 (29.65%); and Two Or More Races was the third largest racial group with a population of 36,834 (4.79%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in San Mateo County, California in 2017, with a population of 302,738 (39.39%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 221,698 (28.84%); and the third largest ethnic group was White Alone - Hispanic with a population of 161,468 (21.01%).

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 2017
Total Population:
Race in San Mateo County, CA in 2017
Total Population:
Ethnicity in San Mateo County, CA in 2017
Total Population:
Population By Race in San Mateo , CA in 2017
Race Population Percentage
Black or African American Alone 21,289 2.77%
White Alone 464,206 60.39%
American Indian and Alaska Native Alone 6,700 0.87%
Asian Alone 227,924 29.65%
Native Hawaiian And Pacific Islander Alone 11,705 1.52%
Two Or More Races 36,834 4.79%
Population By Ethnicity in San Mateo , CA in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 3,729 0.49%
White Alone - Hispanic 161,468 21.01%
American Indian and Alaska Native Alone - Hispanic 5,535 0.72%
Asian Alone - Hispanic 6,226 0.81%
Native Hawaiian And Pacific Islander Alone - Hispanic 1,392 0.18%
Two Or More Races - Hispanic 8,153 1.06%
Black or African American Alone - Non Hispanic 17,560 2.29%
White Alone - Non Hispanic 302,738 39.39%
American Indian and Alaska Native Alone - Non Hispanic 1,165 0.15%
Asian Alone - Non Hispanic 221,698 28.84%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 10,313 1.34%
Two Or More Races - Non Hispanic 28,681 3.73%