| Iona | |
|---|---|
| Unincorporated community | |
| Coordinates: 38°32′55″N 87°28′18″W / 38.54861°N 87.47167°WCoordinates: 38°32′55″N 87°28′18″W / 38.54861°N 87.47167°W | |
| Country | United States |
| State | Indiana |
| County | Knox |
| Township | Johnson |
| Elevation | 456 ft (139 m) |
| ZIP code | 47524 |
| FIPS code | 18-36450 |
| GNIS feature ID | 436824 |
Iona is an unincorporated community in Johnson Township, Knox County, Indiana.
A post office was established at Iona in 1888, and remained in operation until it was discontinued in 1903.
Iona is located at 38°32′55″N 87°28′18″W / 38.54861°N 87.47167°W.