There are 121 Laboratories in Maricopa County, Arizona, serving a population of 4,155,501 people in an area of 9,198 square miles. There is 1 Laboratory per 34,342 people, and 1 Laboratory per 76 square miles.
In Arizona, Maricopa County is ranked 2nd of 15 counties in Laboratories per capita, and 1st of 15 counties in Laboratories per square mile.