- Carleton Point
- Carleys
- Carlisle
- Carlisle-Rockledge
- Carloss
- Carlowville
- Carlton
- Carmen
- Carney
- Carns
- Carpenter
- Carpenter
- Carr Mill
- Carriage Hills
- Carroll Crossroads
- Carrville
- Carson
- Carter Grove
- Carter Subdivision
- Carters Hill
- Cartersville
- Cartwright
- Casemore
- Casey
- Caswell
- Cat Island
- Catalpa
- Catherine
- Catoma
- Cavalry Hill