With an area of 83,570 square miles (216,400 km 2), Idaho is the 14th largest state by land area, but with a population of approximately 1.8 million, it ranks as the 13th least populous and the 6th least densely populated of the 50 U.S.
The state's capital and largest city is Boise. It borders the states of Montana and Wyoming to the east, Nevada and Utah to the south, and Washington and Oregon to the west. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. Idaho ( / ˈ aɪ d ə h oʊ/ ⓘ EYE-də-hoh) is a state in the Pacific Northwest region of the United States.