Alaska: The Largest State in North America by Area

Alaska's Dominant Size

Alaska is the largest state in the United States and the largest subnational entity in North America by area.

• Area: ~665,400 sq mi (1,717,854 km²)
• Global Rank: 7th largest subnational division worldwide
• U.S. Share: Over 1/5 of total U.S. land area

Its vast territory encompasses diverse ecosystems: arctic tundra, boreal forests, mountain ranges, glaciers, and extensive coastline.