| Cochrane Village, WI (Village) |
| Cochranton, PA (Borough) |
| Cocke County, TN (County) |
| Cockrell, MO (Township) |
| Cockrell Hill, TX (City) |
| Coco Palms Community Development District, FL (CDD) |
| Cocoa , FL (City) |
| Cocoa Beach , FL (City) |
| Coconino County, AZ (County) |
| Coconut Cay Community Development District, FL (CDD) |
| Coconut Creek , FL (City) |
| Codington County, SD (County) |
| Codorus Township, PA (Township) |
| Cody, SD (Township) |
| Cody, NE (Village) |
