16 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Hayden | Kootenai County | 16,935 |
| Hailey | Blaine County | 10,234 |
| Hidden Springs | Ada County | 3,910 |
| Heyburn | Minidoka County | 3,741 |
| Homedale | Owyhee County | 3,300 |
| Hansen | Twin Falls County | 1,127 |
| Hagerman | Gooding County | 1,000 |
| Hauser | Kootenai County | 924 |
| Horseshoe Bend | Boise County | 909 |
| Hazelton | Jerome County | 817 |
| Hayden Lake | Kootenai County | 679 |
| Hammett | Elmore County | 316 |
| Hollister | Jerome County | 278 |
| Harrison | Kootenai County | 221 |
| Hope | Bonner County | 108 |
| Huetter | Kootenai County | 104 |