16 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Hayden | Kootenai County | 17,561 |
| Hailey | Blaine County | 10,362 |
| Heyburn | Minidoka County | 3,781 |
| Hidden Springs | Ada County | 3,769 |
| Homedale | Owyhee County | 3,264 |
| Hansen | Twin Falls County | 1,131 |
| Hagerman | Gooding County | 1,000 |
| Hauser | Kootenai County | 959 |
| Horseshoe Bend | Boise County | 882 |
| Hazelton | Jerome County | 839 |
| Hayden Lake | Kootenai County | 680 |
| Hammett | Elmore County | 318 |
| Hollister | Jerome County | 279 |
| Harrison | Kootenai County | 219 |
| Hope | Bonner County | 112 |
| Huetter | Kootenai County | 106 |