Stevensville is a town in Ravalli County, Montana, United States. The population was 2,002 at the 2020 census. Stevensville is officially recognized as the first permanent settlement of non-indigenous peoples in the state of Montana. Forty-eight years before Montana became the nation's 41st state, Stevensville was settled by Jesuit Missionaries at the request of the Bitterroot Salish tribe.