11 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Weiser | Washington County | 6,336 |
| Wendell | Gooding County | 3,084 |
| Wilder | Canyon County | 1,789 |
| Wallace | Shoshone County | 839 |
| Weston | Franklin County | 602 |
| Weippe | Clearwater County | 417 |
| Winchester | Lewis County | 373 |
| Worley | Kootenai County | 248 |
| Wardner | Shoshone County | 209 |
| White Bird | Idaho County | 90 |
| Warm River | Fremont County | 1 |