| Place Name | San Dimas |
| Place Type | City |
| ZIP Code(s) | 91773 |
| County | Los Angeles County |
| Area Code(s) | 909,626 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 33,514 |
| Population Growth Rate (2010-19) | 4.65% |
| Majority Ethnicity | White 51.87% |
| Metro/Micro Stats Area | Los Angeles-Long Beach-Anaheim, CA |
| US Congressional District(s) | California 32nd |
| State Assembly Districts | 41 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 51.87% |
| African American | 2.49% |
| Hispanic | 0.6% |
| Asian | 14.52% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 30.31% |