| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Yacht Haven | city | Washington | United States | 48.58528 | -123.16694 | 98 | 450 |
| Yacolt | city | Washington | United States | 45.86611 | -122.405 | 748 | 2089 |
| Yakima | city | Washington | United States | 46.60222 | -120.50472 | 1102 | 74206 |
| Yale | city | Washington | United States | 45.99556 | -122.37889 | 482 | 1345 |
| Yardley | city | Washington | United States | 47.66722 | -117.3325 | 1938 | 54438 |
| Yarrow Point | city | Washington | United States | 47.64639 | -122.21611 | 72 | 77310 |
| Yellepit | city | Washington | United States | 46.06111 | -118.95028 | 337 | 1149 |
| Yelm | city | Washington | United States | 46.94222 | -122.60472 | 383 | 6206 |
| Yeomalt | city | Washington | United States | 47.63472 | -122.49278 | 0 | 10066 |
| Yesler Terrace | city | Washington | United States | 47.60111 | -122.31472 | 200 | 197990 |
| Yethonat | city | Washington | United States | 46.40472 | -120.39528 | 800 | 6053 |
| Yokeko Point | city | Washington | United States | 48.41389 | -122.61667 | 0 | 7170 |
| Yoman | city | Washington | United States | 47.18667 | -122.705 | 164 | 3243 |
| York | city | Washington | United States | 47.70917 | -122.1525 | 200 | 87658 |
| Youngstown subdivision | city | Washington | United States | 47.56667 | -122.36833 | 200 | 156421 |
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