- Carriage Acres
- Carriage Crossing
- Carriage Park Estates
- Carriage Run
- Carrington
- Carrington
- Carrington Place
- Carroll
- Carrollton
- Carrothers
- Carruthers Trailer Park
- Carsey Town
- Carson Farms
- Carthage
- Carthagena
- Carthon
- Carvel Manor Mobile Home Park
- Carysville
- Cascade
- Caseys Island
- Cassell
- Cassella
- Cassellview
- Casstown
- Cassville
- Castalia
- Caster Subdivision
- Castine
- Castle Farms
- Castle Island