AZArizona
Grand Canyon State · Capital: Phoenix · West (Southwest)
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Quick stats
Capital
Phoenix
Largest city
Phoenix
Population
5–10 million
Area rank
#6 of 50
Admitted
1912
Time zone
Mountain Time
Region
West
Letters
7
Bordering states: California, Nevada, Utah, Colorado, New Mexico.
4 fun facts about Arizona
- The Grand Canyon is so deep that an average of five layers of New York's Empire State Building could fit inside it.
- Arizona does not observe Daylight Saving Time (except on the Navajo Nation in the northeast).
- Phoenix is the 5th most populous city in the US — and the only state capital with over 1.5 million residents.
- The state flag features a copper star representing Arizona being the largest copper producer in the US.
Frequently asked questions about Arizona
Is Arizona a US state?
Yes, Arizona is one of the 50 US states. It was admitted to the Union in 1912, making it the 47th state. Its capital is Phoenix and its largest city is Phoenix.
What is the capital of Arizona?
The capital of Arizona is Phoenix.
When did Arizona become a state?
Arizona became a US state in 1912. It is the 47th state admitted to the Union.
What is the abbreviation for Arizona?
The 2-letter USPS abbreviation for Arizona is AZ.
How big is Arizona?
Arizona ranks #6 of 50 US states by area — a mid-sized US state.
What is the population of Arizona?
Arizona has a population of 5 to 10 million.
What region is Arizona in?
Arizona is in the West region of the United States, per the US Census Bureau.
What time zone is Arizona in?
Arizona observes Mountain Time (the state spans multiple time zones).
Learn more
→ How to learn the 50 states (full guide)