Maricopa County, Arizona

county in Arizona, United States

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.

Maricopa County
The Maricopa County Courthouse and Old Phoenix City Hall, also known as the County-City Administration Building, in 2013
The Maricopa County Courthouse and Old Phoenix City Hall, also known as the County-City Administration Building, in 2013
Flag of Maricopa County
Map of Arizona highlighting Maricopa County
Location within the U.S. state of Arizona
Map of the United States highlighting 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

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

References

change
  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.