Council Grove State Park is in the Montana county with what population as of 2010?
Council Grove State Park: Council Grove State Park (Salish: Člmé, "Tree Limb Cut Off", also Ncx̣͏ʷotew̓s ) is a Montana state park in Missoula County, Montana in the United States. Missoula County, Montana:  As of the 2010 census, the population was 109,426, making it Montana's second-most populous county.
109,426