- Casco Junction
- Cherneyville
- Clyde
- Curran
- Calvert
- Cold Springs
- Cormorant Island
- Council Bay
- Choate
- Cato
- Cato Falls
- Clarks Mills
- Clover
- Callon
- Cherokee
- Corinth
- Cedarville
- Carrollville
- Chase
- County Line
- Cullen
- Clifford
- Clumbs Island
- Crescent Corner
- Crescent Island
- Center Valley
- Chicago Corners
- Cicero
- Carlson Island
- Cedar Island