- Camas
- Camas Prairie
- Cameron
- Cameron Crossing
- Cameron Park
- Camona
- Campbell Place
- Canton
- Canyon Creek
- Canyon Creek Boat Landing
- Canyon Ferry
- Canyon View Trailer Court
- Capitol
- Carbella
- Carbert
- Carbert
- Carbon Hill Trailer Court
- Carlton
- Carlyle
- Carney
- Carols Court
- Carpenter
- Carr Trailer Court
- Cartersville
- Cascade Colony
- Casitas Del Rio East Mobile Home Park
- Cassidy Curve
- Castle Town
- Castner Falls
- Cat Creek