- Cairo
- Callaway
- Cambridge
- Campbell
- Carleton
- Carroll
- Cedar Bluffs
- Cedar Creek
- Cedar Rapids
- Center
- Central City
- Ceresco
- Chadron
- Chalco
- Chambers
- Champion
- Chapman
- Chappell
- Chester
- Clarks
- Clarkson
- Clatonia
- Clay Center
- Clearwater
- Clinton
- Cody
- Coleridge
- Colon
- Columbus
- Comstock
- Concord
- Cook
- Cordova
- Cornlea
- Cortland
- Cotesfield
- Cowles
- Cozad
- Crab Orchard
- Craig
- Crawford
- Creighton
- Creston
- Crete
- Crofton
- Crookston
- Culbertson
- Curtis
- Cushing
