Wyoming is a state of the western United States. While the eastern third of the state is within the Great Plains, the majority is dominated by numerous distinct mountain ranges and rangelands. Wyoming is also the least populous U.S. state with 509,294 people. The capital and largest city of Wyoming is Cheyenne. Residents of the state are called Wyomingites.
Wyoming is bordered on the north by Montana; on the east by South Dakota and Nebraska; on the south by Colorado; Utah is on its southwest corner; and it is bounded on the west by Idaho. Devil's Tower, made famous in the film Close Encounters Of The Third Kind, is located near Moorcroft in Crook County. Wyoming is one of three states entirely bounded by straight lines. It is the eleventh largest state in the United States containing 97,818 square miles (253,348 sq km) and is made up of 23 counties. From the north border to the south border it is 276 miles (444 km); and from the east to the west border is 375 miles (603 km).