| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Yacht Haven | city | Washington | United States | 48.59 | -123.17 | 98 | |
| Yacolt | city | Washington | United States | 45.87 | -122.41 | 830 | |
| Yakima | city | Washington | United States | 46.60 | -120.51 | 1102 | |
| Yale | city | Washington | United States | 46.00 | -122.38 | 830 | |
| Yardley | city | Washington | United States | 47.67 | -117.33 | 1938 | |
| Yarrow Point | city | Washington | United States | 47.65 | -122.22 | 72 | |
| Yellepit | city | Washington | United States | 46.06 | -118.95 | 337 | |
| Yellow Pine Mobile Home Park | city | Washington | United States | 48.61 | -118.07 | 1669 | |
| Yelm | city | Washington | United States | 46.94 | -122.61 | 383 | |
| Yeomalt | city | Washington | United States | 47.63 | -122.49 | 0 | |
| Yesler Terrace | city | Washington | United States | 47.60 | -122.32 | 200 | |
| Yethonat | city | Washington | United States | 46.40 | -120.40 | 830 | |
| Yokeko Point | city | Washington | United States | 48.41 | -122.62 | 0 | |
| Yoman | city | Washington | United States | 47.19 | -122.71 | 164 | |
| York | city | Washington | United States | 47.71 | -122.15 | 200 | |
| Youngs Mobile Home Park | city | Washington | United States | 47.78 | -122.31 | 200 | |
| Youngstown | city | Washington | United States | 47.57 | -122.37 | 200 |