Grand Terrace city, California
Official LSAD Designation: Grand Terrace city • Census GEOID: 0630658
• San Bernardino County
Demographics & Population Profile
Population and demographics for Grand Terrace city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 12,936 | — | 2025 | Census |
| Median Age | 37.7 yrs | ±1.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,736 | ±317 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).