| population | |
| City of Onida | 658 |
| Town of Agar | 76 |
 | Pierre Regional Airport | ~ 38.97 km |
| Mobridge Municipal Airport | ~ 94.89 km |
| Philip Airport | ~ 138.16 km |
| Huron Regional Airport | ~ 155.26 km |
| Aberdeen Regional Airport | ~ 157.11 km |
| Ashley Municipal Airport | ~ 157.71 km |
| Mitchell Municipal Airport | ~ 196.85 km |
| Lemmon Municipal Airport | ~ 204.23 km |
| Miller Field | ~ 209.44 km |
