Ketchum city, Idaho
Official LSAD Designation: Ketchum city • Census GEOID: 1643030
• Blaine County
Demographics & Population Profile
Population and demographics for Ketchum city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,643 | — | 2025 | Census |
| Median Age | 58.3 yrs | ±9.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,097 | ±221 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).