There are 407 Car Washes in Maricopa County, Arizona, serving a population of 4,155,501 people in an area of 9,198 square miles. There is 1 Car Wash per 10,210 people, and 1 Car Wash per 22 square miles.
In Arizona, Maricopa County is ranked 6th of 15 counties in Car Washes per capita, and 1st of 15 counties in Car Washes per square mile.