Libertarian Party (United States)
During the 2016 presidential election, Gary Johnson and vice presidential candidate Bill Weld received a record percentage of 3.28% of the popular vote (4,488,919 votes), getting 9.34% in New Mexico, where Johnson had previously been elected Governor. In the 2012 presidential election, Johnson and running mate Jim Gray received 1,275,821 votes (1%).Source:
2012 United States presidential election in Montana
Romney carried Montana with 55.35% of the vote to Obama's 41.70%, with a 13.65% margin of victory. Montana was the second-best state performance for Libertarian candidate Gary Johnson, carrying about 3% of the vote.