Sierra Madre city, California
Official LSAD Designation: Sierra Madre city • Census GEOID: 0671806
• Los Angeles County
Demographics & Population Profile
Population and demographics for Sierra Madre city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 10,620 | — | 2025 | Census |
| Median Age | 44.8 yrs | ±3.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,620 | ±293 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).