| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Crabtree | city | Washington | United States | 47.03417 | -117.19 | 2598 | 397 |
| Craige | city | Washington | United States | 46.13556 | -117.02278 | 3228 | 249 |
| Crane | city | Washington | United States | 48.10694 | -123.31972 | 262 | 3833 |
| Crater | city | Washington | United States | 47.24583 | -119.9475 | 1371 | 406 |
| Crawford | city | Washington | United States | 45.80306 | -122.48361 | 580 | 6564 |
| Crego historical | city | Washington | United States | 46.59861 | -123.05333 | 600 | 1140 |
| Creosote | city | Washington | United States | 47.61444 | -122.50278 | 3 | 15595 |
| Crescent | city | Washington | United States | 48.09472 | -123.80583 | 967 | 247 |
| Creston | city | Washington | United States | 47.75861 | -118.51861 | 2559 | 140 |
| Creswell Heights | city | Washington | United States | 45.69 | -122.33528 | 1056 | 4724 |
| Croker | city | Washington | United States | 47.09278 | -122.15556 | 446 | 11795 |
| Cromwell | city | Washington | United States | 47.27444 | -122.62111 | 3 | 23656 |
| Crosby | city | Washington | United States | 47.58222 | -122.86472 | 498 | 2917 |
| Croskey | city | Washington | United States | 47.3075 | -117.84083 | 2050 | 172 |
| Crossroads | city | Washington | United States | 47.61972 | -122.1175 | 200 | 89027 |
| Crown Hill | city | Washington | United States | 47.69472 | -122.37417 | 200 | 238653 |
| Crown Point Vista | city | Washington | United States | 47.97139 | -118.98583 | 997 | 288 |
| Cruzatt | city | Washington | United States | 45.59139 | -122.15167 | 200 | 691 |
| Crystal Springs | city | Washington | United States | 47.60361 | -122.57389 | 0 | 33283 |
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