- Cedar Falls
- Cedar Falls Junction
- Cedar Falls Mobile Home Park
- Cedar Falls Mobile Home Village
- Cedar Hills
- Cedar Island
- Cedar Knoll Park
- Cedar Rapids
- Cedar Valley
- Center Grove
- Center Junction
- Center Point
- Centerdale
- Centerville
- Central City
- Central Heights
- Centralia
- Ceres
- Chaney
- Chapin
- Chariton
- Charles City
- Charleston
- Charlie Island
- Charlotte
- Charter Oak
- Chatsworth
- Chautauqua
- Chelsea
- Cheney