Biggest State in the United States by Size

When it comes to sheer size, Alaska stands in a league of its own. It is not just the biggest U.S. state, it’s a land of staggering geographic scale, natural beauty, and untamed wilderness that dwarfs the rest of the country.

Total Area of Alaska

• Total Area: 663,267 square miles (1,717,856 square kilometers)
  
• Land Area: Approximately 570,641 square miles
  
• Water Area: Roughly 91,316 square miles
  

Alaska accounts for about 17% of the entire land area of the United States, which is an extraordinary amount for just one of 50 states.

Location and Boundaries

• Located in the northwesternmost part of North America
  
• Shares an international border with Canada (Yukon and British Columbia)
  
• Is separated from Russia by the Bering Strait, only about 55 miles at its narrowest point
  
• Surrounded by the Arctic Ocean (north) and Pacific Ocean (southwest)
  

History of Statehood

• Purchased from Russia in 1867 for $7.2 million  often mocked at the time as “Seward’s Folly”
  
• Officially became the 49th state of the U.S. on January 3, 1959
  
• Its strategic importance during World War II and the Cold War helped elevate its value
  

Geographical Features

Alaska is home to some of the most dramatic landscapes on Earth:

• Mountains:
  
  • Denali (Mount McKinley) is the tallest mountain in North America at 20,310 feet
    
  • The Alaska Range and Brooks Range add to its alpine grandeur
    
• Volcanoes:
  
  • Alaska has more than 130 active and dormant volcanoes, particularly in the Aleutian Islands
    
• Glaciers:
  
  • Over 100,000 glaciers, covering about 5% of the state
    
  • Some are the largest in the U.S., like the Bering Glacier
    
• Rivers and Lakes:
  
  • Includes major rivers like the Yukon River, which runs over 1,980 miles
    
  • Home to millions of lakes and vast wetlands
    
• Wildlife:
  
  • Rich with bears, moose, caribou, wolves, bald eagles, and salmon
    

Alaska vs. Other States – How Big Is It Really?

To comprehend Alaska’s size, here are mind-blowing comparisons:

 Top 5 U.S. States by Area

Rank	State	Total Area (sq mi)
1	Alaska	663,267
2	Texas	268,596
3	California	163,695
4	Montana	147,040
5	New Mexico	121,590

• 
  Alaska is 2.5 times larger than Texas.
  
• It’s over 4 times the size of California.
  
• You could fit 22 smallest U.S. states (like Rhode Island, Delaware, etc.) into Alaska — and still have space left over.
  

Coastline and Maritime Dominance

• Has the longest coastline of any state: over 33,000 miles (when counting all bays and inlets)
  
• Borders two major oceans: the Arctic and the Pacific
  
• Plays a crucial role in fishing, oil drilling, and shipping industries
  

Climate and Environment

Alaska contains a variety of climates:

• Arctic in the far north
  
• Subarctic in the interior
  
• Maritime climate in the south and southeast
  

Because of its northern latitude:

• Experiences extreme daylight variation  in summer, some areas have 24-hour daylight; in winter, they may have complete darkness for weeks
  

Population Density

• Despite its huge size, Alaska has a population of just over 730,000 people
  
• That makes it the least densely populated state in the country
  
• Most residents live in just a few cities, like Anchorage, Fairbanks, and the capital Juneau
  

Unique Accessibility

• No roads connect Juneau (the capital) to the rest of the state
  
• Many areas are only accessible by air or boat
  
• Bush planes are a common form of transportation in rural Alaska
  

Natural Resources

• Alaska is rich in oil, gas, minerals, fish, and timber
  
• The Trans-Alaska Pipeline is one of the largest pipeline systems in the world, stretching 800 miles
  
• The Prudhoe Bay oil field was once the largest in North America
  

Conclusion

Alaska is not just the largest state in the U.S.  it is a realm of natural wonder and geological extremes. From its snow-capped mountains and glacial valleys to its sparse human population and vast natural resources, Alaska’s 663,267 square miles represent both raw wilderness and strategic national importance.

Its sheer size affects everything  from infrastructure and travel to politics and economics. It stands as a testament to the power of nature and the legacy of American expansion.

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