Ranked by total land area (square miles / square kilometers), the 15 biggest states showcase the vastness of the American West and Alaska.
| Rank | State | Land Area (sq mi) | Land Area (km²) |
|---|---|---|---|
| 1 | Alaska | 663,268 | 1,717,854 |
| 2 | Texas | 268,597 | 695,662 |
| 3 | California | 163,696 | 423,970 |
| 4 | Montana | 147,046 | 380,838 |
| 5 | New Mexico | 121,590 | 314,915 |
| 6 | Arizona | 113,990 | 295,254 |
| 7 | Nevada | 110,572 | 286,367 |
| 8 | Colorado | 104,094 | 269,837 |
| 9 | Oregon | 98,381 | 254,802 |
| 10 | Wyoming | 97,818 | 253,348 |
| 11 | Michigan | 96,716 | 250,493 |
| 12 | Minnesota | 86,936 | 225,181 |
| 13 | South Dakota | 77,116 | 200,231 |
| 14 | North Dakota | 70,762 | 183,272 |
| 15 | Nebraska | 77,220 | 200,028 |
Source: U.S. Census Bureau, 2020 Gazetteer Files (land area only, excluding inland/coastal water).