Thousand Oaks city, California
Official LSAD Designation: Thousand Oaks city • Census GEOID: 0678582
• Ventura County
Demographics & Population Profile
Population and demographics for Thousand Oaks city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 122,230 | — | 2025 | Census |
| Median Age | 44.9 yrs | ±1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 46,546 | ±849 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).