| population | |
| City of Sabetha | 2571 |
| City of Seneca | 1991 |
| Township of Adams | |
| Township of Berwick | |
| Township of Capioma | |
| Township of Center | |
| Township of Clear Creek | |
| Township of Gilman |
 | Beatrice Municipal Airport | ~ 85.35 km |
| Philip Billard Municipal Airport | ~ 86.17 km |
| Manhattan Regional Airport | ~ 91.00 km |
| Rosecrans Memorial Airport | ~ 94.39 km |
| Topeka Regional Airport | ~ 97.35 km |
| Marshall Army Air Field | ~ 103.67 km |
| Sherman Army Air Field | ~ 104.93 km |
| Fairbury Municipal Airport | ~ 107.99 km |
| Lawrence Municipal Airport | ~ 109.86 km |
