Walnut city, California
Official LSAD Designation: Walnut city • Census GEOID: 0683332
• Los Angeles County
Demographics & Population Profile
Population and demographics for Walnut city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 27,316 | — | 2025 | Census |
| Median Age | 46.8 yrs | ±1.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 8,665 | ±297 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).