Which US State Is the Largest by Land Area? Trivia Quiz

Quiz challenge

By 2020 Census land area, which state is the largest?

A Alaska B Texas C California D Montana

Select an answer to continue.

Official land area measurements from the United States Census Bureau provide precise details about the geographic footprint of all fifty states. While total area calculations include rivers, lakes, territorial waters, and coastal boundaries, land area rankings strictly measure solid terrain. Geographers, cartographers, and demographers rely on these decennial survey figures to evaluate population density, natural resource distribution, and spatial statistics across the nation. Determining state sizes accurately requires rigorous mapping standards established by federal agencies over generations.

The correct answer

A) Alaska

According to official U.S. Census Bureau measurements from the 2020 Census, Alaska is the largest state in the nation by land area, encompassing over 570,000 square miles.

Alaska overwhelmingly dominates the national land area rankings by every measure. The Census Bureau records Alaska's land area at approximately 570,641 square miles, making up more than 16 percent of the total land mass of the entire United States. Even when excluding its expansive inland lakes, glaciated rivers, and coastal fjords, Alaska remains vast enough to encompass multiple large states within its outer boundaries. Its massive terrain spans across maritime, arctic tundra, and boreal forest ecosystems, stretching far beyond any other domestic jurisdiction. When Alaska was admitted as the 49th state in 1959, it instantly reshaped American geographic boundaries and doubled the size of the nation's previous largest state.

Why each choice fits—or doesn’t

A) Alaska

Correct choice: Alaska is the correct answer because its land area of 570,641 square miles makes it easily the largest state in America. Its solid land mass alone is more than twice as expansive as Texas. When combining both land area and major water features, the state's total area measurement reaches over 665,000 square miles, solidifying its unmatched geographic dominance across the continent.

B) Texas

Why it is not the answer: Texas is an incorrect choice, though it holds second place among all states. Covering roughly 261,232 square miles of land area, Texas is the largest state in the contiguous lower 48 states. While popular culture often associates the Lone Star State with sheer physical expanse, it covers less than half the land area of Alaska, placing it firmly behind the Last Frontier in total acreage.

C) California

Why it is not the answer: California is an incorrect option because it ranks third in land area nationwide. The Golden State covers approximately 155,779 square miles of land. Although California is the most populous state in the nation with nearly 39 million residents, its physical footprint is significantly smaller than both Alaska and Texas, measuring under thirty percent of Alaska's land area.

D) Montana

Why it is not the answer: Montana is an incorrect option, though it represents one of the largest landlocked states in the nation. Montana ranks fourth in land area with about 145,546 square miles of land. Known as Big Sky Country, Montana contains vast open plains and major mountain ranges, but its physical expanse remains far behind the top three states in total acreage.

More context

Understanding how federal cartographers calculate state area reveals fascinating geographic nuances. The Census Bureau's geographic classification database categorizes surface features into distinct land and water categories. Glaciers and intermittent water bodies are classified as land area, while permanent lakes, inland bays, major rivers, and coastal waters are counted separately. Rhode Island, the smallest state by both land area and total area, covers just over 1,000 square miles of land. This means that Alaska's land area could fit Rhode Island inside its borders more than 500 times over. Geographic measurements are periodically refined as satellite mapping technology advances, but Alaska's top ranking remains entirely secure far into the future.

Quick facts

Alaska accounts for more than 16 percent of the total land area of the entire United States.
Texas is the largest state in the contiguous lower 48 states, covering 261,232 square miles of land.
Rhode Island is the smallest U.S. state by land area, measuring approximately 1,034 square miles.
Glaciers and intermittent bodies of water are officially classified as land area in Census Bureau measurements.

Sources

State Area Measurements and Internal Point Coordinates — U.S. Census Bureau Official U.S. Census Bureau state land area measurements and rankings.
What's the largest U.S. state by area? — Encyclopædia Britannica State size comparisons and land area facts for U.S. states.