Maricopa County Structure, History & Info

History & Structure County Seal Average Weather

Population
Maricopa County has a population of over 3,200,000 people (2002). It is the fourth most populous county in the nation, and is home to more people than 21 states and the District of Columbia.

Projected Growth

Size
Maricopa County has a land area of 9,226 square miles, of which 1,441 square miles are incorporated (15.6 percent) and 7,785 square miles are unincorporated (84.4 percent). It is the fifth largest of Arizona's 15 counties, and the 14th largest county in the United States. Maricopa County is larger than seven states and the District of Columbia. The county measures 132 miles from east to west and 103 miles from north to south. Twenty-four cities and towns are located within Maricopa County's outer boundaries.