- Carlisle Center
- Carlisle Gardens
- Carlton
- Carlyle Court
- Carlyle Estates
- Carlyle West
- Carman
- Carmel
- Carmel Hamlet
- Carmel Hills
- Carmel Park Estates
- Carmen Courts
- Carmichael Hill
- Carnegie
- Carnegie Hill
- Caroga Lake
- Caroline
- Caroline
- Caroline Center
- Caroline Depot
- Carpenters Acres
- Carpenters Corners
- Carriage Estates
- Carroll
- Carrollton
- Carter's Mobile Home Park
- Carterville
- Carthage
- Cartwright Island
- Cascade