what county is belle fourche sd in
Location in Butte County (top) and South Dakota (bottom) Belle Fourche, South Dakota. Belle Fourche (/bÉlËfuËÊ/; bel-FOOSH) is a city in and the county seat of Butte County, South Dakota, United States. The population was 5,594 at the 2010 census. The city is near the geographic center of the 50 U.S. states.