- Havre is a city located in the northern part of Montana, United States. It is the county seat of Hill County and has a population of approximately 9,842 people. Havre is known for its strong ties to the railroad industry and serves as a major transportation hub in the region. The city offers various recreational activities such as fishing, hunting, hiking, and boating due to its proximity to the Rocky Mountains. Havre is also home to Montana State University-Northern, a small public university.