- Campton (Population: 2,719)
- Canaan (Population: 3,319)
- Candia (Population: 3,911)
- Canterbury (Population: 1,979)
- Charlestown (Population: 4,749)
- Chester (Population: 3,792)
- Chesterfield (Population: 3,542)
- Chichester (Population: 2,236)
- Claremont (Population: 13,151)
- Colebrook (Population: 2,321)
- Concord (Population: 40,687)
- Contoocook (Population: 1,444)
- Conway (Population: 8,604)
- Cornish (Population: 1,661)
