| City | County | 2026 Pop. ↓ |
|---|---|---|
| Weiser | Washington County | 6,355 |
| Wendell | Gooding County | 3,125 |
| Wilder | Canyon County | 1,767 |
| Wallace | Shoshone County | 851 |
| Weston | Franklin County | 601 |
| Weippe | Clearwater County | 410 |
| Winchester | Lewis County | 366 |
| Worley | Kootenai County | 247 |
| Wardner | Shoshone County | 207 |
| White Bird | Idaho County | 84 |
| Warm River | Fremont County | 1 |