Between December 1787 and May 1790 each of the original thirteen states called a convention—or conventions, in the case of North Carolina—to consider the Constitution. The maps below illustrate the final votes for and against the Constitution in each of these state conventions. Though not one of the original thirteen states, Vermont also ratified the Constitution in a state convention. The map detailing its ratification is also available below.
- Delaware, 7 December 1787
- Pennsylvania, 12 December 1787
- New Jersey, 18 December 1787
- Georgia, 31 December 1787
- Connecticut, 9 January 1788
- Massachusetts, 6 February 1788
- Maryland, 26 April 1788
- South Carolina, 23 May 1788
- New Hampshire, 21 June 1788
- Virginia, 25 June 1788
- New York, 26 July 1788
- North Carolina, 21 November 1789
- Rhode Island, 29 May 1790
- Vermont, 10 January 1791