San Mateo Sun

Of the 762,488 citizens living in San Mateo County in 2021, 91% said they were only one race, while 9% said they were two or more races, according to U.S. Census Bureau data obtained in June.

The most prevalent racial group among citizens in San Mateo County who reported being of a single race in 2021 was white, comprising 45.9% or 349,707 individuals. Following them, Asian accounted for 29.9% and totaled 227,862 individuals.

The percentage of multiracial residents in San Mateo County is 1.7% lower than the state average, which stands at 10.7%.

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau's American Community Survey. Information from the survey helps to determine how federal and state funds are distributed. These funds significantly influence community services, education, and infrastructure in areas like San Mateo County.

	Estimated Total
White	349,707
Asian	227,862
Some Other Race	83,570
Multiracial	68,565
African American	17,999
Native Hawaiian or Other Pacific Islander	9,308
American Indian or Alaska Native	5,477

Source: US Census Bureau