The documents defining that area include the Adams-Onís Treaty of 1819, the 1824 Constitution of Mexico, and the 1845 "Joint Resolution for the Admission of the State of Texas into the Union" Archived December 31, 2006, at the Wayback Machine.

He was later appointed by Governor Mike Sullivan to the Wyoming State Board of Equalization.

George R. Salisbury Jr., a rancher from Savery, represented Carbon County in the Wyoming House from 1975 to 1986.

He was succeeded in office by his son-in-law and fellow Democrat, Patrick F. O'Toole, also a Savery rancher.

As of the 2000 United States Census,[13] there were 15,639 people, 6,129 households, and 4,130 families in the county.

27.50% of all households were made up of individuals, and 9.60% had someone living alone who was 65 years of age or older.

As of the 2010 United States Census, there were 15,885 people, 6,388 households, and 4,109 families in the county.

[14] In terms of ancestry, 26.0% were German, 15.8% were English, 14.4% were Irish, 5.6% were Scottish, and 4.8% were American.

[17] During the twentieth century, owing to its considerable unionized mining population, Carbon County tended to be much more Democratic than the rest of generally Republican Wyoming.

It was one of three Wyoming counties to vote for John F. Kennedy in 1960 and one of two to vote for Hubert Humphrey in 1968, while Dwight D. Eisenhower only won the county narrowly in his two landslide Presidential wins.

In recent years, the county has trended much more towards the Republican Party due to changing demographics in the area.

[19] The facility was operated by the Wyoming Board of Charities and Reform until that agency was dissolved as a result of a state constitutional amendment passed in November 1990.