Green River is one of the oldest communities in the state.
It was first incorporated in 1868 under Dakota Territory. In May of 1891 Green River was incorporated under the laws of the State of Wyoming. The railroad gave the area its first boom and in 1875, Green River became the county seat of Sweetwater County. In the 1950’s the mining industry became important to Green River and has been steadily increasing.
Sweetwater County Regional Profile
Sweetwater County Industry Profile