Irwin city, Idaho
Official LSAD Designation: Irwin city • Census GEOID: 1640510
• Bonneville County
Demographics & Population Profile
Population and demographics for Irwin city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 302 | — | 2025 | Census |
| Median Age | 57.8 yrs | ±8.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 124 | ±40 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).