| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Crabtree | city | California | United States | 36.84 | -119.09 | 1669 | |
| Crabtree Place | city | California | United States | 40.15 | -123.35 | 2040 | |
| Crafton | city | California | United States | 34.06 | -117.12 | 1728 | |
| Cragmont | city | California | United States | 37.90 | -122.26 | 830 | |
| Cragmont | city | California | United States | 37.89 | -122.26 | 912 | |
| Craig | city | California | United States | 39.34 | -121.56 | 82 | |
| Craig (historical) | city | California | United States | 39.55 | -121.39 | 990 | |
| Cranmore | city | California | United States | 38.99 | -121.81 | 45 | |
| Crannell | city | California | United States | 41.01 | -124.08 | 226 | |
| Crater | city | California | United States | 37.22 | -117.69 | 5869 | |
| Creed | city | California | United States | 38.24 | -121.86 | 36 | |
| Creekside | city | California | United States | 34.02 | -117.59 | 830 | |
| Creekside | city | California | United States | 36.61 | -121.69 | 314 | |
| Creekside Mobile Home Estates | city | California | United States | 33.78 | -117.83 | 239 | |
| Crescent | city | California | United States | 34.09 | -118.37 | 278 | |
| Crescent City | city | California | United States | 41.76 | -124.20 | 19 | |
| Crescent Lakanbalen | city | California | United States | 41.76 | -124.20 | 19 | |
| Crescent Mills | city | California | United States | 40.10 | -120.91 | 3599 | |
| Crescent Park | city | California | United States | 37.45 | -122.15 | 95 | |
| Crescent Ridge Village | city | California | United States | 38.65 | -121.08 | 830 | |
| Cressey | city | California | United States | 37.42 | -120.67 | 108 | |
| Crest | city | California | United States | 40.72 | -120.37 | 5400 | |
| Crest | city | California | United States | 32.81 | -116.87 | 1669 | |
| Crest Park | city | California | United States | 34.23 | -117.20 | 5423 | |
| Cresta | city | California | United States | 39.84 | -121.40 | 1781 | |
| Crestline | city | California | United States | 34.24 | -117.29 | 5029 | |
| Crestmore | city | California | United States | 34.02 | -117.39 | 862 | |
| Crestmore | city | California | United States | 34.04 | -117.40 | 958 | |
| Creston | city | California | United States | 38.21 | -122.20 | 830 | |
| Creston | city | California | United States | 35.52 | -120.52 | 1138 | |
| Crestview | city | California | United States | 37.75 | -118.98 | 7598 | |
| Crittendon (historical) | city | California | United States | 39.00 | -123.18 | 1095 | |
| Crocker Highlands | city | California | United States | 37.81 | -122.23 | 200 | |
| Crocker Place | city | California | United States | 39.56 | -123.06 | 2696 | |
| Crockett | city | California | United States | 38.05 | -122.21 | 830 | |
| Croft | city | California | United States | 38.58 | -120.43 | 4599 | |
| Crolona Heights | city | California | United States | 38.05 | -122.22 | 196 | |
| Cromberg | city | California | United States | 39.86 | -120.69 | 4343 | |
| Crome | city | California | United States | 35.44 | -119.20 | 341 | |
| Cromir | city | California | United States | 36.80 | -120.42 | 160 | |
| Cronese Valley | city | California | United States | 35.10 | -116.27 | 1118 | |
| Cronise (historical) | city | California | United States | 35.12 | -116.27 | 1092 | |
| Cross Roads | city | California | United States | 34.21 | -114.22 | 396 | |
| Crow (historical) | city | California | United States | 39.95 | -120.45 | 5869 | |
| Crowley | city | California | United States | 39.41 | -123.43 | 1801 | |
| Crown | city | California | United States | 38.27 | -122.66 | 39 | |
| Crown Jewel | city | California | United States | 34.08 | -117.21 | 1236 | |
| Crown Village | city | California | United States | 38.70 | -121.09 | 830 | |
| Crows Landing | city | California | United States | 37.39 | -121.07 | 118 | |
| Crucero | city | California | United States | 35.05 | -116.17 | 1040 | |
| Crystal Cove | city | California | United States | 33.58 | -117.84 | 0 | |
| Crystal Falls | city | California | United States | 38.02 | -120.27 | 2798 | |
| Crystal Lake | city | California | United States | 39.32 | -120.57 | 5869 | |
| Crystal Springs (historical) | city | California | United States | 39.26 | -120.98 | 3395 |