| population | |
| City of Mount Vernon | 462 |
| Town of Ethan | 331 |
| Township of Badger | |
| Township of Baker | |
| Township of Beulah |
 | Mitchell Municipal Airport | ~ 14.08 km |
| Huron Regional Airport | ~ 79.27 km |
| Madison Municipal Airport | ~ 93.10 km |
| Chan Gurney Municipal Airport | ~ 104.35 km |
| Sioux Falls Regional Airport / Joe Foss Field | ~ 113.50 km |
| Brookings Regional Airport | ~ 127.33 km |
| Canton Municipal Airport | ~ 133.40 km |
| The O'Neill Municipal John L Baker Field | ~ 141.02 km |
| Watertown Regional Airport | ~ 158.78 km |
