Maricopa County, Arizona

Maricopa County ( ) 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, making it the state's most populous county. It is more populous than 23 states.

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

References

Category:Arizona counties
Category:1871 establishments in the United States
Category:1870s establishments in Arizona Territory