| population | |
| Carlton Church | |
| Conant Cemetery | |
| Dodson Cemetery | |
| Garwin | 508 |
| Garwin (historical) | |
| Garwin Ambulance Service | |
| Garwin Christian Church |
 | Newton Municipal Airport | ~ 51.98 km |
| Waterloo Regional Airport | ~ 58.84 km |
| Iowa Falls Municipal Airport | ~ 63.48 km |
| Ames Municipal Airport | ~ 76.07 km |
| Hampton Municipal Airport | ~ 83.32 km |
| The Eastern Iowa Airport | ~ 85.24 km |
| Boone Municipal Airport | ~ 94.11 km |
| Des Moines International Airport | ~ 99.71 km |
| Webster City Municipal Airport | ~ 103.45 km |
