Silver Bow County is a county in the U.S. state of Montana. As of the 2020 census, the population was 35,133. Its county seat is Butte. In 1977, the city and county governments consolidated to form the single entity of Butte-Silver Bow. Additionally, the town of Walkerville is a separate municipality from Butte and is within the county.

Silver Bow County comprises the Butte-Silver Bow, MT Micropolitan Statistical Area.

Geography

According to the United States Census Bureau, the county has an area of , of which is land and (0.08%) is water. It is Montana's smallest county by area.

Major highways

  • 20px Interstate 15
  • 20px Interstate 90
  • 20px Interstate 115
  • 20px U.S. Highway 10 (Former)
  • 20px U.S. Highway 91 (Former)
  • 20px Montana Highway 2
  • 20px Montana Highway 41
  • 20px Montana Highway 43
  • 20px Montana Highway 55

Transit

  • Jefferson Lines
  • Salt Lake Express

Adjacent counties

  • Deer Lodge County - northwest
  • Jefferson County - east
  • Madison County - south
  • Beaverhead County - southwest

National protected areas

Beaverhead–Deerlodge National Forest (part)

Demographics