Iona city, Idaho
Official LSAD Designation: Iona city • Census GEOID: 1640420
• Bonneville County
Demographics & Population Profile
Population and demographics for Iona city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,179 | — | 2025 | Census |
| Median Age | 27.3 yrs | ±5.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 846 | ±81 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).