| Name | Marin County |
| State | California |
| FIPS Code | 06041 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2020) | 262,321 |
| Population Growth Rate(2000-2020) | 3.93% |
| Majority Ethnicity | White 76.24% |
| Public School Majority Ethnicity | White 56% |
| Partisan Voting Index | Strongly Democratic:+34 |
| Unemployment Rate | 2.2% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 76.24% |
| African American | 2.14% |
| Hispanic | 15.5% |
| Asian | 5.62% |
| Native American | 0.28% |
| Hawaiin/Pacific Islander | 0.22% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 56% |
| African American | 1.81% |
| Hispanic | 29.7% |
| Asian | 5.66% |
| Native American | 0.39% |
| Hawaiin/Pacific Islander | 0.28% |