Butte County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 10,243. Its county seat is Belle Fourche. The county was established in the Dakota Territory on March 2, 1883, and given the descriptive name... Wikipedia
Population: 10,774 (2022)
Cities: Newell, Belle Fourche, Nisland, and more
Area: 2,266 mi²
Largest city: Belle Fourche