Hyde -- U.S. County in South Dakota Population (2000): 1671 Housing Units (2000): 769 Land area (2000): 860.973442 sq. miles (2229.910882 sq. km) Water area (2000): 5.619762 sq. miles (14.555117 sq. km) Total area (2000): 866.593204 sq. miles (2244.465999 sq. km) Located within: South Dakota (SD), FIPS 46 Location: 44.576294 N, 99.463615 W Headwords: Hyde Hyde, SD Hyde County Hyde County, SD