17 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Hazel Dell | Clark County | 23,929 |
| Hoquiam | Grays Harbor County | 8,764 |
| Hobart | King County | 6,984 |
| Hockinson | Clark County | 6,275 |
| Hansville | Kitsap County | 3,635 |
| High Bridge | Snohomish County | 3,182 |
| Home | Pierce County | 1,797 |
| Harrah | Yakima County | 575 |
| Harrington | Lincoln County | 472 |
| Hunts Point | King County | 462 |
| Hamilton | Skagit County | 292 |
| Humptulips | Grays Harbor County | 180 |
| Hartline | Grant County | 176 |
| Hatton | Adams County | 172 |
| Herron Island | Pierce County | 96 |
| Hoodsport | Mason County | 81 |
| Hogans Corner | Grays Harbor County | 10 |