- Carson
- China Town
- Clarksville
- Canemah
- Carus
- Carver
- Cedardale
- Cedarhurst Park
- Charbonneau
- Cherryville
- Clackamas Heights
- Clarkes
- Concord
- Cook
- Cottrell
- Currinsville
- Carnahan
- Castle Rock
- Clifton
- Canaan
- Chapman
- Chapman Landing
- Clatskanie Heights
- Clear Creek
- Columbia Heights
- Coon Island
- Corey Hill
- Crims Island
- Camel Rock
- Castle Rock