| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| IOLA EMERGENCY | airport | United States | 44.51 | -89.14 | 995 | 0 | |
| IONE MUNI | airport | United States | 48.71 | -117.41 | 2108 | 0 | |
| IONIA CO | airport | United States | 42.94 | -85.06 | 818 | 0 | |
| IOSCO CO | airport | United States | 44.31 | -83.42 | 606 | 0 | |
| IOW (IOWA CITY MUNI) | airport | United States | 41.64 | -91.55 | 668 | 0 | |
| IOWA ARMY NATL GUARD | airport | United States | 42.56 | -92.40 | 866 | 0 | |
| IOWA CITY MUNI | airport | United States | 41.64 | -91.55 | 668 | 0 | |
| IOWA CO | airport | United States | 42.89 | -90.24 | 1171 | 0 | |
| IOWA FALLS MUNI | airport | United States | 42.47 | -93.27 | 1137 | 0 | |
| IOWA LUTHERAN HOSPITAL LIFE FLIGHT | airport | United States | 41.60 | -93.61 | 856 | 0 | |
| IOWA METHODIST MEDICAL CENTER | airport | United States | 41.59 | -93.63 | 990 | 0 |