Sweetwater County, Wyoming

Sweetwater County is a county in southwestern Wyoming, United States. As of the 2010 census, 43,806 people lived there. Its county seat is Green River. Its southern boundary line abuts the north lines of the states of Colorado and Utah.
History.
Sweetwater County was created on December 17, 1867.
Geography.
According to the US Census Bureau, the county has a total area of , of which is land and (0.6%) is water. It is the largest county in Wyoming by area.