Sweetwater -- U.S. County in Wyoming Population (2000): 37613 Housing Units (2000): 15921 Land area (2000): 10425.298440 sq. miles (27001.397855 sq. km) Water area (2000): 65.866730 sq. miles (170.594040 sq. km) Total area (2000): 10491.165170 sq. miles (27171.991895 sq. km) Located within: Wyoming (WY), FIPS 56 Location: 41.640708 N, 109.168198 W Headwords: Sweetwater Sweetwater, WY Sweetwater County Sweetwater County, WY