- Chevy Chase Heights
- Chicora
- Churchill
- Churchville
- Clairton
- Clarence
- Clarendon
- Clarion
- Clarks Green
- Clarks Summit
- Claysburg
- Claysville
- Clearfield
- Cleona
- Clifton Heights
- Clintonville
- Clymer
- Coal Center
- Coaldale
- Coalmont
- Coalport
- Coatesville
- Coburn
- Cochranton
- Cokeburg
- Collegeville
- Collingdale
- Colonial Park
- Colver
- Colwyn