
Iona
- County:
- Bonneville County
- County Seat:
- No
- Area (mi²):
- 1.259
- State:
- Idaho
Iona is a city located in Bonneville County, Idaho. Iona has a 2025 population of 3,345. Iona is currently growing at a rate of 3.72% annually and its population has increased by 21.86% since the most recent census, which recorded a population of 2,745 in 2020.
The average household income in Iona is $102,317 with a poverty rate of 6.77%. The median age in Iona is 28.1 years: 30.5 years for males, and 21.9 years for females.