Top 4 in Top 10 widest states in the United States.
Area: 380,838 square kilometers or 147,042 square miles. Montana is a state located in the northwestern United States, the 41st state to join the Union on November 8, 1889. Montana's capital is Helena, while its largest cities are Billings and Great Falls. The state of Montana is famous for its vast and majestic hilly regions north of the Rocky Mountains. As the 4th largest state in area but 44th in population, Montana is one of the most sparsely populated states in the United States. The economy of this state is mainly based on agriculture, logging, minerals and tourism. The state's name Montana is derived from montaña (Spanish for "mountain"). Montana is also known as The Treasure State because of its vast natural resources or Big Sky Country because of its magnificent pristine mountain scenery. Montana has many famous beautiful national parks.