List of U.S. states by date of admission to the Union

Map of USA States with names white

US states by date of statehood3

Seal of Virginia

Seal of South Carolina

Seal of New York

Seal of Rhode Island

List of U.S. states by date of admission to the Union presents the order in which the United States' states joined the Union. The United States Constitution was ratified in 1788, and the new Union came into effect on March 4, 1789, with the first Congress. Since then, 37 additional states have been admitted into the United States, totaling 50 states. This list includes the dates of admission and the order in which the states joined.

List of States and Dates of Admission

1. Delaware - December 7, 1787
2. Pennsylvania - December 12, 1787
3. New Jersey - December 18, 1787
4. Georgia - January 2, 1788
5. Connecticut - January 9, 1788
6. Massachusetts - February 6, 1788
7. Maryland - April 28, 1788
8. South Carolina - May 23, 1788
9. New Hampshire - June 21, 1788
10. Virginia - June 25, 1788
11. New York - July 26, 1788
12. North Carolina - November 21, 1789
13. Rhode Island - May 29, 1790
14. Vermont - March 4, 1791
15. Kentucky - June 1, 1792
16. Tennessee - June 1, 1796
17. Ohio - March 1, 1803
18. Louisiana - April 30, 1812
19. Indiana - December 11, 1816
20. Mississippi - December 10, 1817
21. Illinois - December 3, 1818
22. Alabama - December 14, 1819
23. Maine - March 15, 1820
24. Missouri - August 10, 1821
25. Arkansas - June 15, 1836
26. Michigan - January 26, 1837
27. Florida - March 3, 1845
28. Texas - December 29, 1845
29. Iowa - December 28, 1846
30. Wisconsin - May 29, 1848
31. California - September 9, 1850
32. Minnesota - May 11, 1858
33. Oregon - February 14, 1859
34. Kansas - January 29, 1861
35. West Virginia - June 20, 1863
36. Nevada - October 31, 1864
37. Nebraska - March 1, 1867
38. Colorado - August 1, 1876
39. North Dakota - November 2, 1889
40. South Dakota - November 2, 1889
41. Montana - November 8, 1889
42. Washington - November 11, 1889
43. Idaho - July 3, 1890
44. Wyoming - July 10, 1890
45. Utah - January 4, 1896
46. Oklahoma - November 16, 1907
47. New Mexico - January 6, 1912
48. Arizona - February 14, 1912
49. Alaska - January 3, 1959
50. Hawaii - August 21, 1959

See Also

• History of the United States
• Territorial evolution of the United States
• List of U.S. states and territories by population
• List of U.S. states by historical population
• List of U.S. state constitutions