| Citrus County, FL (County) |
| Citrus Heights, CA (City) |
| City, MO (Township) |
| City Center Community Development District, FL (CDD) |
| City Gate Community Development District, FL (CDD) |
| City Point Town, WI (Town) |
| CityPlace Community Development District, FL (CDD) |
| Civil Bend, SD (Township) |
| Clackamas County, OR (County) |
| Claflin, KS (City) |
| Claiborne County, MS (County) |
| Claiborne County, TN (County) |
| Claiborne Parish, LA (County) |
| Claibourne Township, OH (Township) |
| Claire City, SD (Town) |
