| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Chaffee | city | Washington | United States | 46.26 | -119.61 | 830 | |
| Chain Hill | city | Washington | United States | 46.88 | -122.85 | 830 | |
| Chambers | city | Washington | United States | 46.64 | -117.18 | 2696 | |
| Chard | city | Washington | United States | 46.54 | -117.86 | 1197 | |
| Charleston | city | Washington | United States | 47.56 | -122.66 | 0 | |
| Charleton Lake Estates Mobile Home Park | city | Washington | United States | 47.17 | -122.46 | 311 | |
| Charter Oak | city | Washington | United States | 45.82 | -122.56 | 301 | |
| Charwood Mobile Home Park | city | Washington | United States | 47.30 | -122.31 | 357 | |
| Chatnwaqhi'łpm Grove | city | Washington | United States | 47.67 | -117.13 | 2089 | |
| Chattaroy | city | Washington | United States | 47.89 | -117.36 | 1797 | |
| Chautauqua | city | Washington | United States | 47.42 | -122.43 | 0 | |
| Chehalis | city | Washington | United States | 46.66 | -122.96 | 193 | |
| Chehalis Village | city | Washington | United States | 46.80 | -123.17 | 196 | |
| Chelan | city | Washington | United States | 47.84 | -120.02 | 1095 | |
| Chelan Falls | city | Washington | United States | 47.80 | -119.99 | 830 | |
| Chelatchie | city | Washington | United States | 45.93 | -122.38 | 830 | |
| Chelsea | city | Washington | United States | 47.71 | -122.29 | 170 | |
| Cheney | city | Washington | United States | 47.49 | -117.58 | 2509 | |
| Cherokee | city | Washington | United States | 48.45 | -119.47 | 882 | |
| Cherokee Bay Park | city | Washington | United States | 47.36 | -122.05 | 830 | |
| Cherry Grove | city | Washington | United States | 45.80 | -122.58 | 203 | |
| Cherry Hill Estates Mobile Home Park | city | Washington | United States | 47.86 | -121.83 | 200 | |
| Cherrywood Mobile Home Manor Sewage Treatment Plant | city | Washington | United States | 47.22 | -122.32 | 101 | |
| Cherrywood Mobile Manor | city | Washington | United States | 47.22 | -122.32 | 98 | |
| Chesaw | city | Washington | United States | 48.95 | -119.05 | 2913 | |
| Chester | city | Washington | United States | 47.62 | -117.25 | 2037 | |
| Cheviot | city | Washington | United States | 46.90 | -120.17 | 2509 | |
| Chew | city | Washington | United States | 46.60 | -118.32 | 830 | |
| Chewelah | city | Washington | United States | 48.28 | -117.72 | 1699 | |
| Chico | city | Washington | United States | 47.61 | -122.71 | 6 | |
| Chillowist | city | Washington | United States | 48.30 | -119.64 | 1669 | |
| Chimacum | city | Washington | United States | 48.01 | -122.77 | 144 | |
| Chinook | city | Washington | United States | 46.27 | -123.95 | 36 | |
| Chinook Mobile Home Park | city | Washington | United States | 47.88 | -122.26 | 830 | |
| Chiwaukum | city | Washington | United States | 47.69 | -120.74 | 2020 | |
| Chnak'wa'qn Breaks | city | Washington | United States | 47.68 | -117.14 | 2066 | |
| Chopaka | city | Washington | United States | 49.00 | -119.72 | 1669 | |
| Christopher | city | Washington | United States | 47.33 | -122.23 | 137 | |
| Chuckanut | city | Washington | United States | 48.67 | -122.48 | 830 | |
| Chuckanut Junction | city | Washington | United States | 48.49 | -122.34 | 154 | |
| Chuckanut Village | city | Washington | United States | 48.70 | -122.49 | 830 | |
| Chumstick | city | Washington | United States | 47.69 | -120.64 | 1669 |