| Place Name | San Anselmo |
| Place Type | Town |
| ZIP Code(s) | 94960 |
| County | Marin County |
| Area Code(s) | 415,628 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 12,363 |
| Population Growth Rate (2010-19) | 4.00% |
| Majority Ethnicity | White 86.51% |
| Metro/Micro Stats Area | San Francisco-Oakland-Berkeley, CA |
| US Congressional District(s) | California 2nd |
| State Assembly Districts | 10 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.51% |
| African American | 1.7% |
| Hispanic | 0.39% |
| Asian | 5.56% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 5.82% |