Campbell -- U.S. County in South Dakota Population (2000): 1782 Housing Units (2000): 962 Land area (2000): 735.793172 sq. miles (1905.695487 sq. km) Water area (2000): 35.542767 sq. miles (92.055341 sq. km) Total area (2000): 771.335939 sq. miles (1997.750828 sq. km) Located within: South Dakota (SD), FIPS 46 Location: 45.760513 N, 100.048139 W Headwords: Campbell Campbell, SD Campbell County Campbell County, SD