| Place Name | Sierra Madre |
| Place Type | City |
| ZIP Code(s) | 91024 |
| County | Los Angeles County |
| Area Code(s) | 626 |
| Timezone | Pacific Standard Time (PST) |
| Population (2022) | 10,939 |
| Population Growth Rate (2010-19) | 3.22% |
| Majority Ethnicity | White 66.66% |
| 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 | 66.66% |
| African American | 3.88% |
| Hispanic | 0.21% |
| Asian | 15.67% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 13.59% |