There are 1439 Fast Food Restaurants in Maricopa County, Arizona, serving a population of 4,155,501 people in an area of 9,198 square miles. There is 1 Fast Food Restaurant per 2,887 people, and 1 Fast Food Restaurant per 6 square miles.
In Arizona, Maricopa County is ranked 11th of 15 counties in Fast Food Restaurants per capita, and 1st of 15 counties in Fast Food Restaurants per square mile.