- Claycomo
- Clearmont
- Clever
- Cliff Village
- Clifton Hill
- Climax Springs
- Cobalt Village
- Cedar Cliffs
- Cliff
- Conrads Mill
- Critesville
- Crump
- Coffey
- Coloma
- Cole Camp
- Conception Junction
- Chicopee
- Chilton
- Crites Corner
- Coney Island
- Cool Valley
- Coleman
- Cooter
- Corder
- Cottleville
- Country Club Village
- Country Life Acres
- Cane Hill
- Claud
- Coal Hill