Maricopa County is a county in the south-central part of the U.S. state of Arizona. As of the 2010 census, its population was 3,817,117, making it the state's most populous county, and the fourth-most populous in the United States.
It takes innovative public servants to keep a County like ours, which is growing by leaps and bounds, thriving and running efficiently! Maricopa County is one of the largest, most scenic and fastest-growing counties in the country. With more than 13,000 employees, Maricopa County’s dedicated team members are the heart of our vibrant organization! They make a real difference for our residents with the work they do every day and, through a commitment to continuous improvement, have a hand in shaping the future of the County