West Glacier is an unincorporated community and census-designated place in eastern Flathead County, Montana, United States. As of the 2020 census it had a population of 221. The town is at the west entrance to Glacier National Park and is located on U.S. Route 2 and a main line of the BNSF Railway. The headquarters complex for Glacier National Park i…West Glacier is an unincorporated community and census-designated place in eastern Flathead County, Montana, United States. As of the 2020 census it had a population of 221. The town is at the west entrance to Glacier National Park and is located on U.S. Route 2 and a main line of the BNSF Railway. The headquarters complex for Glacier National Park is located nearby.