Founded in February 22, 1912, Hill County is one of 56 counties in the state of Montana. Historically, Hill County was formed from Chouteau County. The city of Havre is the county seat. With FIPS code of 41, Hill County has a population of 16,179 and area of 2,896 square miles (7,501 km2).
List of all cities in Hill County, MT alphabetically
| City/Town | Postal Code | Area Code |
| Box Elder, MT | 59521 | 406 |
| Gildford, MT | 59525 | 406 |
| Havre, MT | 59501 | 406 |
| Hingham, MT | 59528 | 406 |
| Inverness, MT | 59530 | 406 |
| Kremlin, MT | 59532 | 406 |
| Rocky Boy, MT | 59521 | 406 |
| Rudyard, MT | 59540 | 406 |