| Place Name | South Pasadena |
| Place Type | City |
| ZIP Code(s) | 91030 |
| County | Los Angeles County |
| Area Code(s) | 626,213,323 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 25,603 |
| Population Growth Rate (2010-19) | 5.17% |
| Majority Ethnicity | White 45.43% |
| Metro/Micro Stats Area | Los Angeles-Long Beach-Anaheim, CA |
| US Congressional District(s) | California 27th |
| State Assembly Districts | 41 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 45.43% |
| African American | 4.06% |
| Hispanic | 0.3% |
| Asian | 31.41% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 18.8% |