Alaska: The Last Frontier

Known as The Last Frontier, Alaska is the largest state in the United States by land area, offering a vast landscape of rugged mountains, frozen tundras, and dense forests. From its motto, "North to the Future," to its unique position spanning the 180th meridian, Alaska represents a blend of indigenous heritage, colonial history, and modern industrial ambition.

The state is characterized by its immense scale and sparse population, with a total area of 665,384 square miles. This vastness creates a diverse range of environments, from the tropical-leaning rainforests of the Southeast to the arctic conditions of the North Slope.

Alaska's size compared with the contiguous states(Albers equal-area conic projection)

Key Facts

Oil pooled on rocks on the shore of Prince William Sound after the 1989 Exxon Valdez oil spill.

Largest State: Ranks 1st in total area but 48th in population.
Highest Point: Denali, the highest peak in North America at 20,310 feet.
Statehood: Admitted as the 49th U.S. state on January 3, 1959.
Capital and Largest City: Juneau is the capital, while Anchorage is the most populous city.
Economic Driver: Oil is the most financially important export, transported via the Trans-Alaska Pipeline.

Geography and Climate

Alaska's geography is divided into several distinct regions: the Southcentral, Southeast, Interior, North Slope, Southwest, and the Aleutian Islands. The Aleutian Islands are particularly notable for crossing the 180th meridian, meaning they contain both the westernmost (Amatignak) and easternmost (Semisopochnoi) points in the United States.

Although entirely east of the International Date Line (the triangular kink in the line was agreed upon the U.S. acquisition of Alaska), the Aleutian Islands cross the 180th meridian, such that they contain both the westernmost (Amatignak) and the easternmost (Semisopochnoi.) points in the United States.

The climate varies drastically by region. While coastal areas like Juneau and Ketchikan experience milder, wetter conditions, the Interior—including Fairbanks—sees extreme temperature swings. For example, Fairbanks can reach 72°F in July but plummet to -17°F in January.

Major Peaks and Landforms

The state is home to Denali, the highest mountain in North America. Much of the land is public, with Alaska possessing more federal government-owned acreage than any other state.

Denali is the highest peak in North America.

History and Statehood

Homer, showing (from bottom to top) the edge of downtown, its airport and the Spit

Before U.S. incorporation, Alaska was a Russian settlement, exemplified by St. Paul's Harbor (modern-day Kodiak). The transition to American control occurred with the signing of the Alaska Treaty in 1867.

The Russian settlement of St. Paul's Harbor, present-day Kodiak town, Kodiak Island, 1814

The late 19th century saw a surge in population during the Klondike Gold Rush of 1898, as prospectors braved the Chilkoot Trail in search of fortune. Later, the state played a strategic role in World War II, notably during the Battle of Attu in 1943.

Miners and prospectors climb the Chilkoot Trail during the 1898 Klondike Gold Rush.

U.S. troops navigate snow and ice during the Battle of Attu in May 1943.

Alaska officially joined the Union in 1959. This milestone was celebrated by the state's inaugural U.S. Senators, Bob Bartlett and Ernest Gruening, who presented the 49-star U.S. flag.

Bob Bartlett and Ernest Gruening, Alaska's inaugural U.S. Senators, hold the 49-star U.S. Flag after the admission of Alaska as the 49th state.

Demographics and Culture

Cordova, built in the early 20th century to support the Kennecott Mines and the Copper River and Northwestern Railway, has been preserved as a fishing community since their closure.

As of 2025, Alaska's estimated population is 737,270. The state is a melting pot of ethnic origins, with a significant population of Alaska Natives. English is the primary spoken language (86.3%), followed by various Alaska Native languages (5.2%).

Urban Centers

The population is concentrated in a few key hubs. Anchorage serves as the largest city and economic center, followed by Fairbanks in the interior and Juneau on the coast. Other significant communities include Bethel, the largest city in rural Alaska, and Utqiaġvik, the northernmost city in the U.S.

Fairbanks, Alaska's second-largest city and by a significant margin the largest city in Alaska's interior

Juneau, Alaska's third-largest city and its capital

Bethel, the largest city in the Unorganized Borough and in rural Alaska

Utqiaġvik (Browerville neighborhood near Eben Hopson Middle School shown), known colloquially for many years by the nickname "Top of the World", is the northernmost city in the United States.

Cultural Traditions and Sports

Alaska's culture is deeply tied to its environment. Dog sledding is a prominent sport, with the Iditarod Trail Sled Dog Race being one of the state's most popular winter events. The state also celebrates its indigenous roots through the World Eskimo Indian Olympics.

Masks on display at Iñupiat Heritage Center in Utqiaġvik

A dog team in the Iditarod Trail Sled Dog Race, arguably the most popular winter event in Alaska

Economy and Infrastructure

The Alaskan economy relies heavily on natural resources. Oil production, centered at the Prudhoe Bay Oil Field, is critical. The Trans-Alaska Pipeline is a feat of engineering that uses heat pipes to prevent the melting of permafrost while transporting oil to Valdez.

An aerial view of infrastructure at the Prudhoe Bay Oil Field

The Trans-Alaska Pipeline transports oil, Alaska's most financially important export, from the North Slope to Valdez. The heat pipes in the column mounts are pertinent, since they disperse heat upwards and prevent melting of permafrost.

While oil remains vital, reserves have declined by over 60% since their peak in 1973. Consequently, fishing—particularly for halibut and king salmon—remains a cornerstone of the state's commercial economy.

Alaska proven oil reserves peaked in 1973 and have declined more than 60% since then.

Halibut, both as a sport fish and commercially, is important to the state's economy.

Transportation

Due to the rugged terrain, transportation is diverse. The state utilizes a combination of the Alaska Railroad, a network of highways like the Sterling and Klondike, and an extensive ferry system (such as the MV Tustumena) to connect isolated coastal communities.

The MV Tustumena (named after Tustumena Glacier) is one of the state's many ferries, providing service to the Kenai Peninsula, Kodiak Island and the Aleutian Chain.

Category	Detail
Total Area	665,384 sq mi
Population (2025 est.)	737,270
Highest Point	Denali (20,310 ft)
Capital	Juneau
Largest City	Anchorage
Official Nickname	The Last Frontier

Frequently Asked Questions

Alaska has more acreage of public land owned by the federal government than any other state.[63]

Largest alone or in any combination ethnic origin by county in Alaska, per the 2020 census [91]

A map of the largest racial/ethnic group by borough and census area. Red indicates Native American, and blue indicates non-Hispanic white. Darker shades indicate a higher proportion of the population.

St. Michael's Russian Orthodox Cathedral in downtown Sitka

Alaskan oil production peaked in 1988 and has declined more than 75% since then.

The Kachemak Bay Campus of the University of Alaska Anchorage, in downtown Homer

A Bombardier Dash 8, operated by Era Alaska, on approach to Ted Stevens Anchorage International Airport

The center of state government in Juneau. The large buildings in the background are, from left to right: the Court Plaza Building (known colloquially as the "Spam Can"), the State Office Building (behind), the Alaska Office Building, the John H. Dimond State Courthouse, and the Alaska State Capitol. Many of the smaller buildings in the foreground are also occupied by state government agencies.

A line graph showing the presidential vote by party from 1960 to 2020 in Alaska

Republican Don Young held Alaska's sole U.S. House seat for 49 years, from 1973 to 2022.

What is the largest city in Alaska?

Anchorage is the largest city in Alaska and serves as the state's primary urban and metropolitan center.

How did Alaska become a U.S. state?

Alaska was acquired from Russia via the Alaska Treaty in 1867 and later admitted to the Union as the 49th state on January 3, 1959.

What is the significance of the Trans-Alaska Pipeline?

The pipeline is essential for transporting oil from the North Slope to Valdez for export. It features specialized heat pipes to protect the permafrost from melting due to the heat of the oil.

Which mountain is the highest in Alaska?

Denali is the highest peak in Alaska and the highest point in all of North America, reaching an elevation of 20,310 feet.

What are the primary economic drivers of Alaska?

The economy is primarily driven by the energy sector (specifically oil and gas) and the commercial fishing industry, with halibut and king salmon being particularly important.

Alaska: The Last Frontier's Geography, History, and Economy

Alaska: The Last Frontier

Key Facts