A Map of the U.S. state Arizona

Arizona Facts

  • U.S. State: Arizona
  • Abbreviation: AZ
  • Joined the USA: February 14th, 1912 (48th State)
  • Located: Southwestern United States
  • Capital City: Phoenix, AZ
  • Most Populated City: Phoenix, AZ

34 Arizona Facts for Kids

  1. Arizona is a state in the United States of America.
  2. Arizona is in the southwestern region of the United States.
  3. Arizona became a U.S. state on Wednesday, February 14th, 1912.
  4. Arizona was the 48th state to join the United States.
  5. The U.S. state of Arizona covers 113,990 square miles.
  6. Arizona is the 6th largest state by area in the United States.
  7. In 2019, the population of Arizona was estimated to be 7,279,000 residents by the U.S. Census Bureau.
  8. In 2019, Arizona was the 14th most populated state in the United States.
  9. A person who is from or lives in Arizona is called an Arizonan.
  10. The capital city of Arizona is Phoenix.
  11. The three most populated cities in Arizona are Phoenix, Tucson and Mesa.
  12. The largest city by population in Arizona is Phoenix.
  13. The largest metropolitan area in Arizona is the Greater Phoenix area.
  14. The U.S. state of Arizona has 15 counties.
  15. The most populated county in Arizona is Maricopa County with 4,485,000 residents (2019, U.S. Census Bureau).
  16. The largest county by area in Arizona is Coconino County with 18,661 square miles.
  17. The highest elevation point in Arizona is Humphrey Peak with a summit at 12,637 feet above sea level.
  18. The lowest elevation point in Arizona is the Colorado River at 72 feet above sea level.
  19. The average precipitation (rain and snow) in Arizona is 11.80 inches.
  20. Arizona is the 50th wettest state by precipitation (rain and snow) in the United States.
  21. The average temperature in Arizona is 65.97 °F.
  22. Arizona is the 4th warmest state in the United States.
  23. The warmest temperature ever recorded in Arizona was 120 °F on August 10th, 1936.
  24. The coldest temperature ever recorded in Arizona was -40 °F on January 7th, 1971.
  25. The coldest temperature ever recorded in Arizona was -40 °F on January 7th, 1971.
  26. Arizona is in one time zone, Mountain Time Zone (MT).
  27. The USPS abbreviation for Arizona is AZ.
  28. The official state flower of Arizona is the flower of saguaro cactus.
  29. The official state tree of Arizona is the palo verde.
  30. The official state bird of Arizona is the cactus wren.
  31. The official state fish of Arizona is the Arizona trout.
  32. In 1936, the Hoover Dam was opened on the border of Arizona and Nevada. The Hoover Dam provides water and electricity to Arizona and other neighboring states.
  33. Arizona is home to the Grand Canyon and the Grand Canyon National Park. It’s estimated 5 million people visit the Grand Canyon in Arizona every year.
  34. The Barringer Crater is a meteor crater found near the northern desert of Arizona. It’s considered the best preserved meteorite crater in the world.

Additional Resources on Arizona