There are 529 Fast Food Restaurants in Philadelphia County, Pennsylvania, serving a population of 1,569,657 people in an area of 135 square miles. There is 1 Fast Food Restaurant per 2,967 people, and 1 Fast Food Restaurant per square mile.
In Pennsylvania, Philadelphia County is ranked 32nd of 67 counties in Fast Food Restaurants per capita, and 1st of 67 counties in Fast Food Restaurants per square mile.