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About Arizona's Counties
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Maricopa

Maricopa

Maricopa County

Maricopa County website

County Seat: Phoenix
Created: February 14, 1871

Total Area: 9,226 square miles
Population: 3,817,117

County Officials

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Fri, Jan 17

AACo Board of Directors Meeting
Sat, Feb 1

Cochise County Birthday - created in 1881
Sat, Feb 1

Pinal County Birthday - created in 1875

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Arizona Association of Counties

1910 W Jefferson, Phoenix, AZ 85009
Phone: 602-252-6563

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