| Place Name | San Martin |
| Place Type | Census Designated Place |
| ZIP Code(s) | 95046 |
| County | Santa Clara County |
| Area Code(s) | 408,669 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 7,231 |
| Population Growth Rate (2010-19) | -0.27% |
| Majority Ethnicity | White 54.11% |
| Metro/Micro Stats Area | San Jose-Sunnyvale-Santa Clara, CA |
| US Congressional District(s) | California 19th |
| State Assembly Districts | 30 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 54.11% |
| African American | 0.39% |
| Hispanic | 2.25% |
| Asian | 3.09% |
| Native American | 0.26% |
| Hawaiin/Pacific Islander | 39.89% |