Dating or determining the rough publishing date of an early United States map can be quick. You just need to know the status of the land. For example, a map showing Michigan as a territory provides valuable information. If it also includes the Republic of Texas, it would date circa 1836.
| State | Statehood | Pre-statehood |
|---|---|---|
| Delaware | December 7, 1787 | Delaware Territory |
| Pennsylvania | December 12, 1787 | Crown Colony of Pennsylvania |
| New Jersey | December 18. 1787 | Crown Colony of New Jersey |
| Georgia | January 2, 1788 | Crown Colony of Georgia |
| Connecticut | January 9, 1788 | Crown Colony of Connecticut |
| Massachusetts | February 6, 1788 | Crown Colony of Massachusetts Bay |
| Maryland | April 28, 1788 | Crown Colony of Maryland |
| South Carolina | May 23, 1788 | Crown Colony of South Carolina |
| New Hampshire | June 21, 1788 | Crown Colony of New Hampshire |
| Virginia | June 25, 1788 | Crown Colony of Virginia |
| New York | June 26, 1788 | Crown Colony of New York |
| North Carolina | November 21, 1789 | Crown Colony of North Carolina |
| Rhode Island | May 29, 1790 | Crown Colony of Rhode Island & Providence Plantations |
| Vermont | March 4, 1791 | Vermont Republic (1777-1791) |
| Kentucky | June 1, 1792 | Virgnia (District of Kentucky) |
| Tennessee | June 1, 1796 | Southwest Territory |
| Ohio | March 1, 1803 | Northwest Territory (Part) |
| Louisiana | April 30, 1812 | Territory of Orleans |
| Indiana | December 11, 1816 | Indiana Territory |
| Mississippi | December 10, 1817 | Mississippi Territory |
| Illinois | December 3, 1818 | Illinois Territory (Part) |
| Alabama | December 14, 1819 | Alabama Territory (Part) |
| Maine | March 15, 1820 | Massachusetts (District of Maine |
| Missouri | August 10, 1821 | Missouri Territory (Part) |
| Arkansas | June 15, 1836 | Arkansas Territory |
| Michigan | January 26, 1837 | Michigan Territory |
| Florida | March 3, 1845 | Florida Territory |
| Texas | December 29, 1845 | Republic of Texas (1836-1845) |
| Iowa | December 28, 1846 | Iowa Territory (Part) |
| Wisconsin | May 29, 1848 | Wisconsin Territory (Part) |
| California | September 9, 1850 | California Territory (Part) |
| Minnesota | May 11, 1858 | Minnesota Territory (Part) |
| Oregon | February 14, 1859 | Oregon Territory (Part) |
| Kansas | January 29, 1861 | Kansas Territory (Part) |
| West Virginia | June 20, 1863 | Virginia |
| Nevada | October 31, 1864 | Nevada Territory |
| Nebraska | March 1, 1867 | Nebraska Territory |
| Colorado | August 1, 1876 | Colorado Territory |
| North Dakota | November 2, 1889 | North Dakota Territory (Part) |
| South Dakota | November 2, 1889 | South Dakota Territory (Part) |
| Montana | November 8, 1889 | Montana Territory |
| Washington | November 11, 1889 | Washington Territory |
| Idaho | July 3, 1890 | Idaho Territory |
| Wyoming | July 10, 1890 | Wyoming Territory |
| Utah | January 4, 1896 | Utah Territory |
| Oklahoma | November 16, 1907 | Oklahoma Territory & Indian Territory |
| New Mexico | January 6, 1912 | New Mexico Territory |
| Arizona | February 14, 1912 | Arizona Territory |
| Alaska | January 3, 1959 | Territory of Alaska |
| Hawaii | August 21, 1959 | Kingdom of Hawaii |