Placentia city, California
Official LSAD Designation: Placentia city • Census GEOID: 0657526
• Orange County
Demographics & Population Profile
Population and demographics for Placentia city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 54,911 | — | 2025 | Census |
| Median Age | 39.1 yrs | ±1.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 17,182 | ±492 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).