Despite being America's least populated state, and never being a "key state" in the electoral college, Wyoming has hosted many United States Presidents.

According to the Wyoming State Archives, 24 of the United States' 44 presidents have been to the Cowboy State.

The earliest visit recorded was Ulysses S. Grant in 1880. He spoke at a banquet in Cheyenne and dined at the Union Pacific Depot.

In 1883, Chester Arthur rode a train from Green River to Yellowstone. He's seen here with members of his party at Yellowstone's Upper Basin...

Wyoming State Archives

Theodore Roosevelt was a frequent Wyoming visitor via train in the early 1900's. He made stops in Evanston, Green River, Rawlins, Medicine Bow, Laramie, Cheyenne, and in Newcastle, which is where this photos was taken...

Wyoming State Archives

Franklin Roosevelt and First Lady Elenanor Roosevelt stopped in Casper in 1937 and Cheyenne in 1932. During their stop in Cheyenne, they attended Sunday church service at St. Marks Episcopal Church...

Wyoming State Archives

Harry Truman brought his 1948 campaign to Cheyenne and Casper. He's seen here greeting Governor Hickey at the Cheyenne Airport.

Wyoming State Archives

John F. Kennedy stopped in Laramie in 1963. He was greeted by a large crowd at the airport, then went to the University of Wyoming Fieldhouse to deliver a speech...

Lyndon B. Johnson spoke to crowds in Cheyenne and Casper of over 4,000 people in the early 1960's. LBJ is seen here greeting Cheyenne Mayor Bill Nation at the Cheyenne Airport...

Wyoming State Archives

The 1980's and 1990's saw an increase in presidential visits. Jimmy Carter and Ronald Reagan vacationed in Jackson Hole. George H.W. Bush went fishing near Cody and Yellowstone. He also attended Cheyenne Frontier Days and spoke at the University of Wyoming.

Bill Clinton vacationed and golfed in Jackson Hole, he also received a cowboy hat from Governor Mike Sullivan during a stop at the Cheyenne Airport...

Wyoming State Archives

George W. Bush brough his campaign to Wyoming in 2000, speaking with Vice President and Casper-native Dick Cheney. The two spoke in Jackson Hole and Casper.

Most recently, Barack Obama visited Wyoming. He campaigned in Casper and Laramie before becoming president, and returned in 2009 with his family for a visit to Yellowstone.