Hot Springs County, Wyoming: History
Hot Springs County was created on February 21, 1911, with areas annexed from Big Horn, Fremont, and Park counties. It was organized in 1913.
Hot Springs County was named for the hot springs located in the county seat of Thermopolis.
In the 2008 United States presidential election, Hot Springs County was the only county in the entire Mountain West outside of Arizona where John McCain beat George W. Bush's percentage of the county vote from the 2004 election.