- Cedar Park
- Celeste
- Central Gardens
- Cesar Chavez
- Channelview
- Channing
- Childress
- Circle D-KC Estates
- Clearview
- Colorado
- Chireno
- Cattle Island
- Christoval
- Cibolo
- Cienegas Terrace
- Cinco Ranch
- Cisco
- Citrus City
- Cadiz
- Caesar
- Clareville
- Clarksville City
- Claude
- Cedar Valley
- Chaffee Village
- Curry Crossing
- Cyclone
- Clear Lake Shores
- Cleburne
- Cassin