THE STATES AND TERRITORIES—when Admitted or Organized—with Area and Population.
| STATES. [First thirteen admitted on ratifying Constitution—all others admitted by Acts of Congress.] | Date when Admitted. | Area in square miles at time of admission. | Population nearest census to date of admission. | |
|---|---|---|---|---|
| Population. | Year. | |||
| Delaware | December 7, 1787 | 2,050 | 59,096 | 1790 |
| Pennsylvania | December 12, 1787 | 45,215 | 434,373 | 1790 |
| New Jersey | December 18, 1787 | 7,815 | 184,139 | 1790 |
| Georgia | January 2, 1788 | 59,475 | 82,548 | 1790 |
| Connecticut | January 9, 1788 | 4,990 | 237,496 | 1790 |
| Massachusetts | February 6, 1788 | 8,315 | 378,787 | 1790 |
| Maryland | April 28, 1788 | 12,210 | 319,728 | 1790 |
| South Carolina | May 23, 1788 | 30,570 | 249,033 | 1790 |
| New Hampshire | June 21, 1788 | 9,305 | 141,885 | 1790 |
| Virginia | June 25, 1788 | 42,450 | 747,610 | 1790 |
| New York | July 26, 1788 | 49,170 | 340,120 | 1790 |
| North Carolina | November 21, 1789 | 52,250 | 393,751 | 1790 |
| Rhode Island | May 29, 1790 | 1,250 | 68,825 | 1790 |
| Vermont | March 4, 1791 | 9,565 | 85,339 | 1791 |
| Kentucky | June 1, 1792 | 40,400 | 73,077 | 1892 |
| Tennessee | June 1, 1796 | 42,050 | 77,202 | 1796 |
| Ohio | November 29, 1802 | 41,060 | 41,915 | 1802 |
| Louisiana | April 30, 1812 | 48,720 | 76,556 | 1812 |
| Indiana | December 11, 1816 | 36,350 | 63,805 | 1816 |
| Mississippi | December 10, 1817 | 46,810 | 75,512 | 1817 |
| Illinois | December 3, 1818 | 56,650 | 34,620 | 1818 |
| Alabama | December 14, 1819 | 52,250 | 127,901 | 1820 |
| Maine | March 15, 1820 | 33,040 | 298,269 | 1820 |
| Missouri | August 19, 1821 | 69,415 | 66,586 | 1821 |
| Arkansas | June 15, 1836 | 53,850 | 52,240 | 1836 |
| Michigan | January 26, 1837 | 58,915 | 212,267 | 1840 |
| Florida | March 3, 1845 | 58,680 | 54,477 | 1845 |
| Iowa | December 28, 1846 | 56,025 | 81,920 | 1846 |
| Texas | December 29, 1845 | 265,780 | 212,592 | 1850 |
| Wisconsin | May 29, 1848 | 56,040 | 305,391 | 1850 |
| California | September 9, 1850 | 158,360 | 92,597 | 1850 |
| Minnesota | May 11, 1858 | 83,365 | 172,023 | 1860 |
| Oregon | February 14, 1859 | 96,030 | 52,465 | 1859 |
| Kansas | January 29, 1861 | 82,080 | 107,206 | 1860 |
| West Virginia | June 19, 1863 | 24,780 | 442,014 | 1870 |
| Nevada | October 31, 1864 | 110,700 | 40,000 | 1864 |
| Nebraska | March 1, 1867 | 76,855 | 60,000 | 1867 |
| Colorado | August 1, 1876 | 103,926 | 150,000 | 1876 |
| District of Columbia | March 3, 1791 | 60 | ||
| North Dakota | July 4, 1889 | 149,100 | 135,177 | 1880 |
| South Dakota | July 4, 1889 | |||
| Montana | July 4, 1889 | 146,080 | 39,159 | 1880 |
| Washington | July 4, 1889 | 69,180 | 75,116 | |
| Idaho | 84,800 | 32,610 | 1880 | |
| Wyoming | 97,890 | 20,789 | 1880 | |
| TERRITORIES. | Dates of organization. | Present area, square miles. | Population. | Census of |
| Utah | September 9, 1850 | 82,090 | 143,963 | 1880 |
| New Mexico | September 9, 1850 | 122,580 | 119,565 | 1880 |
| Arizona | February 24, 1863 | 113,020 | 40,440 | 1880 |
| Indian | 64,690 | |||
| Alaska | Unsurveyed | |||