Butte

Butte (/bjuːt/ BYEWT) is a consolidated city-county in and the county seat of Silver Bow County, Montana, United States. In 1977, the city and county governments consolidated to form the sole entity of Butte-Silver Bow. The city covers 718 square miles (1,860 km), and, according to the 2020 census, has a population of 34,494, making it Montana's fifth-largest city. It is served by Bert Mooney Airport with airport code BTM.

Established in 1864 as a mining camp in the northern Rocky Mountains on the Continental Divide, Butte experienced rapid development in the late 19th century, and was Montana's first major industrial city. In its heyday between the late 19th and early 20th centuries, it was one of the largest copper boom towns in the American West. Employment opportunities in the mines attracted surges of European and Asian immigrants, particularly the Irish; as of 2017, Butte has the largest population of Irish Americans per capita of any U.S. city.