| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cicero (historical) | city | California | United States | 38.33 | -121.18 | 101 | |
| Cienega | city | California | United States | 34.02 | -118.33 | 177 | |
| Cienega Seabreeze Mobile Home Park | city | California | United States | 35.10 | -120.60 | 39 | |
| Cima | city | California | United States | 35.24 | -115.50 | 4258 | |
| Cimarron | city | California | United States | 36.30 | -119.81 | 196 | |
| Cimarron Estates | city | California | United States | 34.86 | -120.40 | 830 | |
| Cimarron Estates Mobile Home Park | city | California | United States | 34.86 | -120.40 | 830 | |
| Cinco | city | California | United States | 35.26 | -118.04 | 2509 | |
| Cincotta | city | California | United States | 36.76 | -119.75 | 298 | |
| Cinnabar Springs (historical) | city | California | United States | 41.96 | -122.87 | 3671 | |
| Cisco | city | California | United States | 39.30 | -120.55 | 6709 | |
| Cisco Grove | city | California | United States | 39.31 | -120.54 | 5869 | |
| Citro | city | California | United States | 36.39 | -119.02 | 830 | |
| Citrona | city | California | United States | 38.63 | -121.97 | 160 | |
| Citrus | city | California | United States | 38.61 | -121.27 | 134 | |
| Citrus | city | California | United States | 34.12 | -117.89 | 830 | |
| Citrus Gardens Mobile Home Park | city | California | United States | 33.15 | -117.12 | 830 | |
| Citrus Heights | city | California | United States | 38.71 | -121.28 | 157 | |
| Citrus View | city | California | United States | 32.96 | -115.57 | -1689 | |
| City Terrace | city | California | United States | 34.05 | -118.18 | 380 | |
| City of Angels | city | California | United States | 38.07 | -120.54 | 1669 | |
| City of Commerce | city | California | United States | 34.00 | -118.16 | 147 | |
| City of Industry | city | California | United States | 34.02 | -117.96 | 318 | |
| City of Newman | city | California | United States | 37.31 | -121.02 | 82 |