City | 2024 Population |
|---|---|
| Waitsburg | 1,175 |
| Walla Walla | 33,056 |
| Walla Walla East | 1,354 |
| Waller | 8,159 |
| Wallula | 25 |
| Wapato | 4,450 |
| Warden | 2,738 |
| Warm Beach | 3,378 |
| Washougal | 16,964 |
| Washtucna | 198 |
| Waterville | 1,127 |
| Wauna | 4,869 |
| Waverly | 119 |
| Wenatchee | 35,522 |
| West Clarkston-Highland | 6,080 |
| West Pasco | 2,148 |
| West Richland | 19,145 |
| Westport | 2,307 |
| Wheeler | 248 |
| Whidbey Island Station | 2,589 |
| White Center | 15,005 |
| White Salmon | 2,611 |
| White Swan | 329 |
| Wilbur | 933 |
| Wilderness Rim | 1,846 |
| Wilkeson | 478 |
| Willapa | 234 |
| Wilson Creek | 201 |
| Winlock | 2,098 |
| Winthrop | 602 |
| Wishram | 528 |
| Wollochet | 7,359 |
| Woodinville | 13,800 |
| Woodland | 6,476 |
| Woods Creek | 8,174 |
| Woodway | 1,301 |