Idaho is a state located in the northwestern region of the United States. It is the 14th largest state in the country and has a population of approximately 1.8 million people. The state is known for its vast wilderness areas, including the Rocky Mountains, the Snake River Plain, and the Sawtooth Range. Idaho is also home to several national parks, including Yellowstone and Grand Teton. The state's economy is largely based on agriculture, with potatoes being the most important crop. Other important industries include mining, forestry, and tourism. Idaho is also known for its outdoor recreational opportunities, including skiing, hiking, and fishing.