- Cardiff
- Carmantown
- Catawba
- Cedar Lake
- Chelsea Heights
- Clarks Landing
- Clarks Mill
- Clarkstown
- Clover Leaf Lakes
- Conovertown
- Campgaw
- Carlton Hill
- Costa Mobile Home Park
- Coytesville
- Cragmere Park
- Crystal Lake
- Cambridge
- Cambridge
- Capitol Hill
- Centerton
- Chairville
- Chambers Corners
- Charcoal Landing
- Charleston
- Chesterfield
- Christopher Mills
- Clermont
- Colemantown
- Comical Corners
- Cooperstown