- Carols Court
- Carpenter
- Carr Trailer Court
- Carter
- Cartersville
- Cascade
- Cascade Colony
- Casitas Del Rio East Mobile Home Park
- Cassidy Curve
- Castle Town
- Castner Falls
- Cat Creek
- Cat Creek
- Catron
- Cavetown
- Cedar Island
- Cedar Island
- Cedric
- Centerville
- Centerville
- Central Avenue Trailer Court
- Chadborn
- Chance
- Chapman
- Charlo
- Charlos Heights
- Checkerboard
- Chelsea
- Chelsea Island
- Cherry Island