San Mateo County, California Census 2020 Population By Race and Ethnicity
According to the data from the US 2020 decennial Census, in April 2020, the 764.44K population of San Mateo County, CA residents comprised of 191.39K residents who identified as Hispanic or Latino (25.04%), and 573.06K residents who identified as Non-Hispanic (74.96%).
Race: The White Alone population was the largest racial group in San Mateo County, CA, with a population of 300.19K (39.27%). The Asian Alone population was the second largest racial group in San Mateo County, CA, with a population of 230.24K (30.12%). The Some Other Race Alone population was the third largest racial group in San Mateo County, CA, with a population of 107.92K (14.12%). The smallest racial group in San Mateo County, CA was American Indian and Alaska Native Alone with a population of 6.81K (0.89%).
Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in San Mateo County, CA, with a population of 275.90K (36.09%). The Non-Hispanic - Asian Alone population was the second largest ethnic group in San Mateo County, CA, with a population of 227.78K (29.80%). The Hispanic - Some Other Race Alone population was the third largest ethnic group in San Mateo County, CA, with a population of 102.08K (13.35%). The smallest ethnic group in San Mateo County, CA was Hispanic - Native Hawaiian & Pac. Islander with a population of 462 (0.06%).
The charts and tables below shows the population and percentage of each racial group and ethnicity group in San Mateo County, California from the 2020 decennial census.
You can see similar information for other California counties and also for the state of California.
| Race | Population | % of County Population |
|---|---|---|
| Black or African American Alone | 15707 | 2.06 |
| White Alone | 300188 | 39.27 |
| American Indian and Alaska Native Alone | 6812 | 0.89 |
| Asian Alone | 230242 | 30.12 |
| Native Hawaiian And Pacific Islander Alone | 9302 | 1.22 |
| Some Other Race Alone | 107924 | 14.12 |
| Two Or More Races | 94267 | 12.33 |
| Ethnicity | Population | % of County Population |
|---|---|---|
| Non-Hispanic - White Alone | 275902 | 36.09 |
| Non-Hispanic - Asian Alone | 227783 | 29.80 |
| Hispanic - Some Other Race Alone | 102084 | 13.35 |
| Hispanic - Two or More Races | 55298 | 7.23 |
| Non-Hispanic - Two or More Races | 38969 | 5.10 |
| Hispanic - White Alone | 24286 | 3.18 |
| Non-Hispanic - Black Alone | 14701 | 1.92 |
| Non-Hispanic - Native Hawaiian & Pac. Islander | 8840 | 1.16 |
| Non-Hispanic - Some Other Race Alone | 5840 | 0.76 |
| Hispanic - American Indian & Alaska Native | 5791 | 0.76 |
| Hispanic - Asian Alone | 2459 | 0.32 |
| Non-Hispanic - American Indian & Alaska Native | 1021 | 0.13 |
| Hispanic - Black Alone | 1006 | 0.13 |
| Hispanic - Native Hawaiian & Pac. Islander | 462 | 0.06 |