Maricopa County Sheriff's Office

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Location 550 West Jackson,
Phoenix, Arizona 85003
United States
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Phone 808-909-1313
Location 993 Renner Burg, West Rond, MT 94251-030
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Maricopa Facts & Figures

Quick Facts About Maricopa County


Maricopa County is Arizona’s most populous and fastest growing county. It is the largest of Arizona’s fifteen counties and the fourth largest county in the nation. Approximately four and half million people call Maricopa County home, more than half of the entire population of Arizona. Phoenix is the seat of Maricopa County, the state capital, and the largest city in the state.

Larger than four U.S. states, covering 9,224 square miles

Comprised of 53% federal land; 29% private land; 13% state land and nearly 5% tribal land

Named in honor of the Maricopa or Piipaash Native American Tribe

Enjoys one of the largest parks systems in the USA with over 120,000 acres of open spaces

Cities & Towns

Unincorporated Areas

  • Sun City
  • Sun City West
  • Aguila (UA, West)
  • Anthem (UA, North)
  • Morristown (UA, Northwest)
  • Rio Verde (UA, Northeast)
  • Sun Lakes (UA, Southeast)
  • Tonopah (UA, West)
  • Wittman (UA, Northwest)