[3] As of 2021[update] it was the third-largest political party in Wyoming by voter registration (approaching 1%), with a share of votes cast that has exceeded 5%.

On July 26, 1976, the Libertarians started a petition drive so that their presidential candidate, Roger MacBride, could appear on the ballot.

[4] They were unsuccessful in gathering at least 6,300 signatures by September 28, but MacBride received 89 write-in votes (0.1%) in the general election.

[5][6] On August 11, 1980, the Libertarians started a petition drive so that their presidential candidate, Ed Clark, could appear on the ballot.

[21][22] In the 2018 election Bethany Baldes ran for a seat in the Wyoming House of Representatives from the 55th district.