Which  county located in the U.S. state of Montana is Brockton  a town in
Brockton, Montana Brockton is a town in Roosevelt County, Montana, United States. The population was 255 at the 2010 census.
Fort Smith, Montana Fort Smith is a census-designated place (CDP) in Big Horn County, Montana, United States. The population was 161 at the 2010 census. The town is named for the former Fort C.F. Smith.