Newcastle is a city in and the county seat of Weston County, Wyoming, United States. The population was 3,374 at the 2020 census.
Weston County Courthouse in Newcastle
Dogie Theater, Newcastle
Weston County is a county in the U.S. state of Wyoming. As of the 2020 United States Census, the population was 6,838. Its county seat is Newcastle. Its east boundary line abuts the west line of the state of South Dakota.
Weston County Courthouse in Newcastle