| population | |
| Charter Township of Bath | |
| Charter Township of DeWitt | |
| Charter Township of Watertown | |
| City of DeWitt | 4507 |
| City of Saint Johns | 7865 |
| Township of Bengal |
 | Capital City Airport | ~ 18.38 km |
| Gratiot Community Airport | ~ 42.66 km |
| Bishop International Airport | ~ 69.86 km |
| Gerald R. Ford International Airport | ~ 75.35 km |
| Jackson County Airport/Reynolds Field | ~ 76.80 km |
| MBS International Airport | ~ 77.98 km |
| Battle Creek Executive Airport at Kellogg Field | ~ 88.51 km |
| Oakland County International Airport | ~ 101.22 km |
| Ann Arbor Municipal Airport | ~ 106.45 km |
