How Many States in USA? 50 States – Official Count & Common Myths

You’ve heard the claim that the United States has 50 states, yet some insist the count is 51 or 52. The discrepancy stems from constitutional law, historical record, and a persistent counting mistake involving Washington D.C. and Puerto Rico.

Number of states in the USA: 50 · Original states at founding (1776): 13 · Most recent state admitted: Hawaii (1959) · Federal district: Washington D.C. · Major territories: 5 · Smallest state by area: Rhode Island

Is the U.S. 50 or 52 states?

The United States has exactly 50 states. No state has been added since 1959 when Hawaii was admitted (Arkansas Secretary of State (official admission order)).

Why is 52 a common mistake?

Many people mistakenly count 52 because they add Washington D.C. and one of the major territories (often Puerto Rico) to the 50. The confusion is reinforced by media references to “51st state” and the fact that Puerto Rico appears on some maps alongside the states. The error is a simple double‑count – D.C. is a federal district, not a state, and territories are not states (USGS (official definitions)).

Can territories become states?

Yes. The U.S. Constitution provides a process for admitting new states under Article IV, Section 3 (U.S. Constitution Annotated (congressional authority)). Congress must pass an enabling act, and the territory must adopt a constitution. However, no territory has completed this process since 1959.

Do we have a 51st state?

No. There is no 51st state. The term “51st state” is used rhetorically for Puerto Rico, D.C., or even Canada, but it has no official meaning. Puerto Rico has held several referendums on statehood, the most recent in 2024, but none have led to congressional action (U.S. Constitution Annotated (statehood process)).

What would it take to add a 51st state?

Admission requires Congress to pass a statehood act and the president to sign it. The Constitution does not fix the number of states, so new ones can be added – but only through this formal process.

Is Puerto Rico a 51st state?

Puerto Rico is an unincorporated territory, not a state. Its residents are U.S. citizens but cannot vote in presidential elections and have a non‑voting delegate in Congress. Status referendums have shown support for statehood, but Congress has not acted.

Why do people say 51 states?

The phrase “51st state” pops up in pop culture, politics, and even textbooks. It often reflects a mistaken belief that D.C. or Puerto Rico already is a state, or a rhetorical hope that one of them should become one. Another source: some flag manufacturers historically produced 51‑star flags in anticipation of D.C. statehood (Arkansas Secretary of State (state admission order)).

Does Washington D.C. count as a state?

No. D.C. is a federal district established under Article I of the Constitution. It has a population of about 700,000 but no voting representation in Congress (USGS (official definitions)). The 23rd Amendment gives D.C. three electoral votes, but it is not a state.

Common counting errors explained

Some people double‑count states (e.g., counting both North and South Carolina as one) or add territories. The simplest way to verify is to look at an official list from the U.S. Census Bureau (U.S. Census Bureau (state profiles)).

Which US state is the smallest?

Rhode Island is the smallest state by area at 1,545 square miles (Arkansas Secretary of State (state order)). Its capital is Providence. Delaware is the second smallest, followed by Connecticut.

Smallest state by population

Wyoming has the smallest population of any state, with roughly 580,000 residents according to Census Bureau data (U.S. Census Bureau). Rhode Island, despite its tiny area, has a larger population than Wyoming.

The implication: size and population don’t always align – small‑area states can be densely populated.

How many states in USA and territories?

The United States consists of 50 states, one federal district (Washington D.C.), and five major inhabited territories: Puerto Rico, Guam, U.S. Virgin Islands, Northern Mariana Islands, and American Samoa (USGS (official definitions)).

What are the 5 major territories?

• Puerto Rico (USA.gov (federal info))
• Guam (U.S. Census Bureau (territory profiles))
• U.S. Virgin Islands (Constitution Annotated (territorial clause))
• Northern Mariana Islands (USGS (definitions))
• American Samoa (USA.gov)

Difference between state and territory

States have full representation in Congress (two senators, voting House members), control their own internal governments, and are not subject to congressional override in most local matters. Territories have limited self‑government, a non‑voting delegate in the House, and are subject to federal oversight under the Territorial Clause of the Constitution (U.S. Constitution Annotated).

Bottom line: 50 states + 1 federal district + 5 major territories = the complete United States. Territories are not states and have fewer rights.

One pattern stands out: the distinction between state and territory is not just a legal technicality – it affects everyday life for millions of Americans living in Puerto Rico and other territories.

State vs. Territory: Key comparisons

The legal differences between states and territories matter for representation, taxation, and citizenship. The table below summarizes the core distinctions.

The implication: territories gain certain exemptions but sacrifice full representation and constitutional protections.

Timeline: How the 50 states came to be

• 1776 – 13 original states declare independence from Great Britain (Arkansas Secretary of State (admission order)).
• 1791 – Vermont becomes the 14th state, the first after the original 13 (USGS (official definitions)).
• 1912 – Arizona and New Mexico join as the 47th and 48th states (U.S. Constitution Annotated (statehood process)).
• 1959 – Alaska (49th) on January 3 and Hawaii (50th) on August 21 are admitted (USA.gov (current count)).
• 2026 – No new states have been added; the count remains 50 (U.S. Census Bureau (state profiles)).

What’s confirmed and what’s still unclear

Perspectives from authoritative sources

The United States of America is a federal republic consisting of 50 states, a federal district, five major territories, and minor islands.

— Wikipedia (List of states and territories), widely used reference

The United States is a country in North America that is a federal republic of 50 states.

— Encyclopaedia Britannica, authoritative reference work

Both sources agree unequivocally: the count is 50. The consistency across encyclopedic and government references confirms the settled nature of the number.

For residents of Puerto Rico, the choice is clear: continue as a territory with limited representation, or push for statehood with full rights. For the rest of the U.S., the official count remains 50 – a number that has not changed in 65 years and is unlikely to change soon without a major congressional act.

For a detailed breakdown of the historical expansion that led to the current count of 50 official US states, readers can explore the full background on the Swedish site Bakom Kulisserna.

Frequently asked questions