| population | |
| City of Custer | 2067 |
| Town of Buffalo Gap | 126 |
| Town of Fairburn | 85 |
| population | |
| Unorganized Territory of West Custer |
 | Rapid City Regional Airport | ~ 51.69 km |
| Ellsworth Air Force Base | ~ 58.96 km |
| Mondell Field | ~ 72.95 km |
| Black Hills Airport-Clyde Ice Field | ~ 93.10 km |
| Chadron Municipal Airport | ~ 97.77 km |
| Pine Ridge Airport | ~ 105.72 km |
| Lusk Municipal Airport | ~ 128.54 km |
| Gordon Municipal Airport | ~ 141.72 km |
| Philip Airport | ~ 154.14 km |
