The United States comprises 50 states, each with a distinct size that influences climate, population density, and land use. Understanding the list of US states by area helps clarify geographic scale and regional resources.
Below is a structured overview of state areas, plus key rankings and practical context for quick reference.
| State | Area (sq mi) | Land (sq mi) | Water (sq mi) | National Rank |
|---|---|---|---|---|
| Alaska | 665,384 | 570,641 | 94,743 | 1 |
| Texas | 268,596 | 261,232 | 7,365 | 2 |
| California | 163,696 | 155,779 | 7,917 | 3 |
| Montana | 147,040 | 145,546 | 1,494 | 4 |
| New Mexico | 121,590 | 121,298 | 292 | 5 |
| Arizona | 113,990 | 113,594 | 396 | 6 |
| Nevada | 110,560 | 109,781 | 779 | 7 |
| Colorado | 104,094 | 103,642 | 452 | 8 |
| Oregon | 98,379 | 95,988 | 2,391 | 9 |
| Wyoming | 97,813 | 97,093 | 720 | 10 |
Geographic Size Rankings Across States
The list of US states by area highlights the extremes of the country, from Alaska at over 660,000 square miles to smaller states like Rhode Island. Size correlates loosely with population capacity and natural resource distribution.
Regional Size Patterns and Land Use
Western states generally occupy larger areas due to vast federal lands, plains, and mountain terrain. Eastern states tend to be smaller yet more densely populated, reflecting historical settlement patterns and land grants.
Measuring State Area Including Water
Total area combines land and inland water, such as lakes and rivers. Some states rank highly in total area because of large reservoirs or coastal inlets, even if their land area is not the largest.
Comparative Analysis With Other Countries
Several US states exceed many sovereign nations in total area. For example, Texas alone would rank among the largest countries globally, illustrating the scale embedded within the list of US states by area.
Key Takeaways on State Area Data
- Alaska dominates the list of US states by area, covering more than 660,000 square miles.
- Texas, California, and Montana follow as the next three largest states by total area.
- Water area can meaningfully affect total size, especially for states with lakes, rivers, and coastlines.
- Smaller states in area often have higher population density and more developed land use.
FAQ
Reader questions
Which state is largest by total area in the list of US states by area?
Alaska is the largest state by total area at 665,384 square miles, ranking first nationally.
How many states are larger than 100,000 square miles?
Nine states exceed 100,000 square miles in total area, including Alaska, Texas, California, Montana, New Mexico, Arizona, Nevada, Colorado, and Oregon.
Which small state appears in the top 10 by area?
Wyoming ranks tenth in total area despite having a relatively small population compared to larger states.
Does water area significantly change a state’s ranking?
Yes, states with large lakes or coastal inlets, such as Michigan and Florida, gain notable water area that can shift their total area ranking.