| ACCESSION | YEAR |
GROSS AREA (SQUARE MILES) |
| Continental United States | 3,026,789 | |
| Area | 1790 | 892,135 |
| Louisiana Purchase | 1803 | 827,987 |
| Florida Purchase | 1819 | 58,666 |
| Treaty with Spain | 1819 | 13,435 |
| Texas | 1845 | 389,166 |
| Oregon | 1846 | 286,541 |
| Mexican Cession | 1848 | 529,189 |
| Gadsden Purchase | 1853 | 29,670 |
| Outlying Possessions | 716,517 | |
| Alaska | 1867 | 590,884 |
| Hawaii | 1898 | 6,449 |
| Philippine Islands | 1899 | 115,026 |
| Porto Rico | 1899 | 3,435 |
| Guam | 1899 | 210 |
| Samoa | 1900 | 77 |
| Panama Canal Zone | 1904 | 436 |
AREA OF THE UNITED STATES (CONTINUED)
| STATE | RANK IN AREA |
AREA (SQUARE MILES) |
| Texas | 1 | 265,896 |
| California | 2 | 158,297 |
| Montana | 3 | 146,997 |
| New Mexico | 4 | 122,634 |
| Arizona | 5 | 113,956 |
| Nevada | 6 | 110,690 |
| Colorado | 7 | 103,948 |
| Wyoming | 8 | 97,914 |
| Oregon | 9 | 96,699 |
| Utah | 10 | 84,990 |
| Minnesota | 11 | 84,682 |
| Idaho | 12 | 83,888 |
| Kansas | 13 | 82,158 |
| South Dakota | 14 | 77,615 |
| Nebraska | 15 | 77,520 |
| North Dakota | 16 | 70,837 |
| Oklahoma | 17 | 70,057 |
| Missouri | 18 | 69,420 |
| Washington | 19 | 69,127 |
| Georgia | 20 | 59,265 |
| Florida | 21 | 58,666 |
| Michigan | 22 | 57,980 |
| Illinois | 23 | 56,665 |
| Iowa | 24 | 56,147 |
| Wisconsin | 25 | 56,066 |
| Arkansas | 26 | 53,335 |
| North Carolina | 27 | 52,426 |
| Alabama | 28 | 51,998 |
| New York | 29 | 49,204 |
| Louisiana | 30 | 48,506 |
| Mississippi | 31 | 46,865 |
| Pennsylvania | 32 | 45,126 |
| Virginia | 33 | 42,627 |
| Tennessee | 34 | 42,022 |
| Ohio | 35 | 41,040 |
| Kentucky | 36 | 40,598 |
| Indiana | 37 | 36,354 |
| Maine | 38 | 33,040 |
| South Carolina | 39 | 30,989 |
| West Virginia | 40 | 24,170 |
| Maryland | 41 | 12,327 |
| Vermont | 42 | 9,564 |
| New Hampshire | 43 | 9,341 |
| Massachusetts | 44 | 8,266 |
| New Jersey | 45 | 8,224 |
| Connecticut | 46 | 4,965 |
| Delaware | 47 | 2,370 |
| Rhode Island | 48 | 1,248 |
| District of Columbia | 49 | 70 |