Idaho

Idaho is a Rocky Mountain state in the northwestern United States, known for its rugged wilderness, whitewater rivers and famous potato crop. Its capital and largest city is Boise. Nicknamed the Gem State, it is among the least densely populated and most scenic states in the country.

Idaho is dominated by mountains, forests and deep river canyons, including Hells Canyon, the deepest river gorge in North America. The Snake River arcs across the fertile southern plain, where most farming and population are concentrated. The climate ranges from semi-arid plains to snowy alpine highlands.

Idaho culture centers on the outdoors, with skiing at Sun Valley, rafting, fishing and hiking woven into daily life. Agriculture, especially potatoes, is a point of pride, and the state has a fast-growing economy around Boise.

Home to the Nez Perce, Shoshone and other peoples, Idaho was opened to settlers by fur traders and the Oregon Trail, then by gold and silver mining. It became the 43rd state in 1890 and developed through agriculture, timber and, more recently, technology.

This overview is AI-assisted and grounded with available atlas facts and reference material. Treat linked primary data as authoritative. Read the methodology.