- Clam Falls
- Casimir
- Coddington
- Cranberry Lake
- Caldwell
- Cedar Park
- Crestview
- Cainville
- Charlie Bluff
- Christilla Heights
- Coopers Shores
- Crestview
- Centerville
- Country View Court
- Cylon
- Cassell
- Clare Island
- Crawford Crossing
- Carmel
- Chain O' Lakes-King
- Cobb Town
- Cranberry Marsh
- Centerville
- Chapultepee
- Coral City
- Crane Island
- Colin Island
- Clarks Point
- Cranmoor
- Chicago Junction