Caldwell city, Idaho
Official LSAD Designation: Caldwell city • Census GEOID: 1612250
• Canyon County
Demographics & Population Profile
Population and demographics for Caldwell city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 76,629 | — | 2025 | Census |
| Median Age | 31.5 yrs | ±0.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 21,573 | ±683 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).