- Corsica
- Canton
- Carthage
- Centerville
- Central City
- Chelsea
- Claremont
- Clark
- Clear Lake
- Colton
- Columbia
- Cottonwood
- Custer
- Claremont Colony
- Clayton
- Cactus Flat
- Crow Lake
- Chautauqua
- Cheyenne Crossing
- Crook City
- Cedar Creek Island (historical)
- Council House
- Cedar Canyon
- Clough
- Corn Creek
- Cloverleaf Colony
- Cactus Heights
- Corson
- Country Acres
- Country Estates Subdivision