The county in which Sun River Montana is located is ranked as the what most populous county in Montana?
Sun River, Montana Sun River is a census-designated place (CDP) in Cascade County, Montana, United States. The population was 124 at the 2010 census. It is part of the Great Falls, Montana Metropolitan Statistical Area.
Livingston, Montana Livingston is a city and the county seat of Park County, Montana, United States. Livingston is located in southwestern Montana, on the Yellowstone River, north of Yellowstone National Park. The population was 7,044 at the 2010 census.