US States Alphabetical Order

All 50 US States in Alphabetical Order

The United States consists of 50 states, each with its own government, capital city, and two-letter postal abbreviation assigned by the US Postal Service. Listed in alphabetical order, the states run from Alabama to Wyoming. Knowing states alphabetically is useful for standardizing data entry, sorting records, studying for geography exams, completing forms, and referencing US locations in writing. The alphabetical order of states is fixed and does not change, making it a reliable reference for anyone working with US geographic data.

States A Through M

States M Through W

US States and Capitals

Every US state has a designated capital city that serves as the seat of state government. State capitals are home to the governor's office, state legislature, and supreme court. Importantly, a state's capital is not always its largest or most populated city — Sacramento is California's capital, not Los Angeles; Springfield is Illinois's capital, not Chicago; and Albany is New York's capital, not New York City. Understanding the distinction between the state capital and the state's major cities is a common geography quiz topic and a practical reference point for government, legal, and administrative work.

Capitals That Are Not the Largest Cities

Many people assume a state's largest city is also its capital. In practice, more than half of US states have capitals that differ from their most populous city. New York's capital is Albany, not New York City. California's is Sacramento, not Los Angeles. Texas's is Austin, not Houston. Florida's is Tallahassee, not Miami or Jacksonville. This pattern reflects the historical practice of placing capitals in geographically central locations to make them accessible to residents across the state, rather than in coastal or economic hubs.

Capitals Alphabetically

If you sort state capitals alphabetically rather than by state name, the order changes significantly. Albany (New York) and Annapolis (Maryland) come first. Topeka (Kansas), Trenton (New Jersey), and Tallahassee (Florida) cluster near the end of the alphabet. No two state capitals share the same name, making capitals a unique identifier for each state. The interactive tool on the left lets you browse states and capitals by letter, or ask AI to sort, filter, or compare capitals in any way you need.

State Abbreviations and Postal Codes

The two-letter state abbreviations used today were standardized by the United States Postal Service in 1963 to make mail sorting easier and to work with early computer systems that had limited character space for addresses. Before that, states used a variety of longer abbreviations — California was "Calif.," Florida was "Fla.," and New York was "N.Y." The current system assigns exactly two uppercase letters to each state, territory, and the District of Columbia. These abbreviations appear on mailing addresses, tax forms, driver's licenses, government documents, and data systems throughout the country.

Commonly Confused Abbreviations

Several state abbreviations are easy to mix up. Maryland (MD) and Missouri (MO) both start with M. Mississippi (MS) and Minnesota (MN) are frequently confused. Massachusetts (MA) and Michigan (MI) share the same first letter. In the South, South Carolina (SC), South Dakota (SD), and Tennessee (TN) are distinct but easy to mistake. The abbreviation CO belongs to Colorado, not Connecticut — Connecticut uses CT. Memorizing the full alphabetical list with abbreviations side by side is the most reliable way to avoid these errors in data entry and address formatting.

Using State Abbreviations in Data

In databases, spreadsheets, and web forms, two-letter state codes are the standard format for the US state field. Using full state names increases the risk of spelling variation and inconsistent data — "New York," "new york," and "NY" may all represent the same state but will not match in a filter or sort. Standardizing to the postal abbreviation eliminates this problem. When sorting a state column alphabetically using the two-letter codes, the alphabetical order of the abbreviations differs from the alphabetical order of the full state names. For example, AK (Alaska) comes first by abbreviation, which matches its full-name alphabetical position, but AZ (Arizona) precedes AR (Arkansas) by abbreviation, while Arkansas precedes Arizona alphabetically by full name.

Frequently Asked Questions