The formation of the United States of America was a gradual process that unfolded over many decades, beginning with the original thirteen colonies and expanding westward through territories gained by treaties, purchases, and conquests. Each state’s journey to statehood reflects a unique story of development, governance, and integration into the federal system. Understanding the US states in order of statehood provides insights into the nation’s historical expansion and the political evolution that accompanied it. From the Atlantic coast to the Pacific, each state’s admission date marks a key moment in the shaping of the modern United States.
The Original Thirteen Colonies
The United States began with thirteen original colonies that declared independence from British rule in 1776. These colonies became the first thirteen states to join the Union, and their statehood dates reflect their ratification of the U.S. Constitution:
- Delaware December 7, 1787
- Pennsylvania December 12, 1787
- New Jersey December 18, 1787
- Georgia January 2, 1788
- Connecticut January 9, 1788
- Massachusetts February 6, 1788
- Maryland April 28, 1788
- South Carolina May 23, 1788
- New Hampshire June 21, 1788
- Virginia June 25, 1788
- New York July 26, 1788
- North Carolina November 21, 1789
- Rhode Island May 29, 1790
Early Expansion of the United States
Following the establishment of the original states, the United States expanded westward. New states were formed from territories, with each requiring a sufficient population and a republican form of government before admission:
- Vermont March 4, 1791
- Kentucky June 1, 1792
- Tennessee June 1, 1796
- Ohio March 1, 1803
- Louisiana April 30, 1812
- Indiana December 11, 1816
- Mississippi December 10, 1817
- Illinois December 3, 1818
- Alabama December 14, 1819
- Maine March 15, 1820
- Missouri August 10, 1821
Midwestern and Southern Growth
The 19th century brought a steady wave of new states, many formed from previously unorganized territories or parts of existing states. As the United States grew, so did its internal diversity:
- Arkansas June 15, 1836
- Michigan January 26, 1837
- Florida March 3, 1845
- Texas December 29, 1845
- Iowa December 28, 1846
- Wisconsin May 29, 1848
- California September 9, 1850
- Minnesota May 11, 1858
- Oregon February 14, 1859
- Kansas January 29, 1861
The Civil War and Statehood in a Divided Nation
As the Civil War erupted, several new states joined the Union. Some of these, like West Virginia, were born directly out of conflict:
- West Virginia June 20, 1863
- Nevada October 31, 1864
- Nebraska March 1, 1867
- Colorado August 1, 1876
Western Development and the Closing Frontier
Following the Reconstruction era, statehood continued to spread west. The remaining territories in the Midwest and Great Plains entered the Union toward the end of the 19th century:
- North Dakota November 2, 1889
- South Dakota November 2, 1889
- Montana November 8, 1889
- Washington November 11, 1889
- Idaho July 3, 1890
- Wyoming July 10, 1890
- Utah January 4, 1896
The 20th Century and the Final States
As the United States entered the 20th century, a few territories remained that had not yet achieved statehood. The early 1900s saw their integration, culminating with the admission of the final two states in 1959:
- Oklahoma November 16, 1907
- New Mexico January 6, 1912
- Arizona February 14, 1912
- Alaska January 3, 1959
- Hawaii August 21, 1959
Understanding Statehood in American History
The process of becoming a state typically involved meeting certain requirements, such as population size and the drafting of a state constitution. These criteria ensured that new states could function independently within the federal structure. The U.S. Congress had the authority to approve or deny statehood applications, giving the federal government significant influence over the pace and direction of national expansion.
Patterns of Admission
Several historical patterns emerge when examining U.S. states in order of statehood:
- The eastern states joined first, with the west gradually added over time.
- Some admissions were politically motivated, especially when balancing slave and free states.
- Geopolitical factors such as war, treaties, and economic development affected the timing of statehood.
Statehood and National Identity
The admission of states played a crucial role in shaping American identity. Each new state brought unique cultural, economic, and geographic features to the Union. As more states were added, the idea of E Pluribus Unum out of many, one gained strength. It helped unify a diverse and expansive nation under a common political framework.
Knowing the US states in order of statehood offers more than a chronological list; it provides a historical map of American growth and governance. From the founding of the first thirteen colonies to the integration of Alaska and Hawaii, the path to statehood reflects the broader story of American expansion, democracy, and federalism. Whether for educational, political, or historical interest, this list serves as a valuable resource for understanding how the United States developed into the nation it is today.