17 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Hazel Dell | Clark County | 23,648 |
| Hoquiam | Grays Harbor County | 8,767 |
| Hobart | King County | 6,936 |
| Hockinson | Clark County | 6,181 |
| Hansville | Kitsap County | 3,601 |
| High Bridge | Snohomish County | 3,171 |
| Home | Pierce County | 1,770 |
| Harrah | Yakima County | 575 |
| Harrington | Lincoln County | 466 |
| Hunts Point | King County | 461 |
| Hamilton | Skagit County | 293 |
| Humptulips | Grays Harbor County | 185 |
| Hartline | Grant County | 176 |
| Hatton | Adams County | 156 |
| Herron Island | Pierce County | 99 |
| Hoodsport | Mason County | 99 |
| Hogans Corner | Grays Harbor County | 9 |