- Cat Creek
- Catron
- Cavetown
- Cedar Island
- Cedar Island
- Cedric
- Centerville
- Centerville
- Central Avenue Trailer Court
- Chadborn
- Chance
- Chapman
- Charlos Heights
- Checkerboard
- Chelsea
- Chelsea Island
- Cherry Island
- Cherry Ridge Ranch
- Chestnut
- Chico
- Chico Hot Springs
- Chicory
- Childs
- Chimney Crossing
- Chimney Rock
- Chinatown
- Choteau Junction
- Christina
- Chrome Island
- Churchill