16 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Hayden | Kootenai County | 17,242 |
| Hailey | Blaine County | 10,169 |
| Hidden Springs | Ada County | 3,910 |
| Heyburn | Minidoka County | 3,762 |
| Homedale | Owyhee County | 3,205 |
| Hansen | Twin Falls County | 1,124 |
| Hagerman | Gooding County | 995 |
| Hauser | Kootenai County | 926 |
| Horseshoe Bend | Boise County | 856 |
| Hazelton | Jerome County | 833 |
| Hayden Lake | Kootenai County | 676 |
| Hammett | Elmore County | 316 |
| Hollister | Jerome County | 273 |
| Harrison | Kootenai County | 221 |
| Hope | Bonner County | 109 |
| Huetter | Kootenai County | 105 |