Maricopa County, Arizona

Maricopa County
The Maricopa County Courthouse and Old Phoenix City Hall, also known as the County-City Administration Building, in 2013
Location within the U.S. state of Arizona
Arizona's location within the U.S.
Coordinates: 33°30′50″N 112°28′33″W / 33.5139°N 112.4758°W / 33.5139; -112.4758
Country United States
State Arizona
FoundedFebruary 14, 1871
Named forMaricopa people
SeatPhoenix
Largest cityPhoenix
Area
 • Total9,224 sq mi (23,890 km2)
 • Land9,200 sq mi (24,000 km2)
 • Water24 sq mi (60 km2)  0.3%
Population
 • Total4,420,568
 • Density480/sq mi (190/km2)
Time zoneUTC−7 (Mountain)
Websitewww.maricopa.gov

Maricopa County (/ˌmærɪˈkpə/ MARR-i-KOH-pə) is a county in the south-central part of the U.S. state of Arizona. As of the 2020 census, its population was 4,420,568,[1] making it the state's most populous county. It is more populous than 23 states.

The county seat is Phoenix,[2] the state capital and fifth-most populous city in the country.

References

  1. 1.0 1.1 "QuickFacts: Maricopa County, Arizona". United States Census Bureau. Retrieved August 8, 2023.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.