Blaine County is a county in the U.S. state of Montana. As of the 2020 census, the population was 7,044. Its county seat is Chinook. The county was named for James G. Blaine, former United States Secretary of State. Wikipedia
Population: 6,936 (2022)
Cities: Chinook, Harlem, Fort Belknap Agency, and more
County seat: Chinook
Area: 4,239 mi²