Deuel -- U.S. County in South Dakota Population (2000): 4498 Housing Units (2000): 2172 Land area (2000): 623.550193 sq. miles (1614.987517 sq. km) Water area (2000): 13.169714 sq. miles (34.109401 sq. km) Total area (2000): 636.719907 sq. miles (1649.096918 sq. km) Located within: South Dakota (SD), FIPS 46 Location: 44.746853 N, 96.659493 W Headwords: Deuel Deuel, SD Deuel County Deuel County, SD