Aliso Viejo city, California
Official LSAD Designation: Aliso Viejo city • Census GEOID: 0600947
• Orange County
Demographics & Population Profile
Population and demographics for Aliso Viejo city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 49,844 | — | 2025 | Census |
| Median Age | 39.2 yrs | ±0.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 19,633 | ±594 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).