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Population Review

How many states are there in the United States?

There are 50 states in the United States, plus the District of Columbia (Washington, DC). The most recent states admitted were Alaska and Hawaii, both in 1959.

Context

The 50 states span an enormous range in population, area, and demographics. DC is not a state but functions like one in many respects, including its own Electoral College representation.

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All 50 StatesState Rankings

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What is the most populated state in the US?What is the richest state in the US?What is the fastest-growing state?What is the most diverse state?What is the largest city in the United States?

Frequently Asked Questions

There are 50 states in the United States, plus the District of Columbia (Washington, DC). The most recent states admitted were Alaska and Hawaii, both in 1959.

Source: U.S. Census Bureau ACS, 2026.