| Name | San Mateo County |
| State | California |
| FIPS Code | 06081 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 721,183 |
| Population Growth Rate(2000-2022) | 6.4% |
| Majority Ethnicity | White 42.49% |
| Public School Majority Ethnicity | Hispanic 38% |
| Partisan Voting Index | Strongly Democratic:+30 |
| Unemployment Rate | 3.7% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 42.49% |
| African American | 2.24% |
| Hispanic | 23.4% |
| Asian | 29.85% |
| Native American | 0.84% |
| Hawaiin/Pacific Islander | 1.19% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 27.47% |
| African American | 1.53% |
| Hispanic | 37.81% |
| Asian | 23.51% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 1.88% |