There are 369 Fast Food Restaurants in Allegheny County, Pennsylvania, serving a population of 1,229,605 people in an area of 730 square miles. There is 1 Fast Food Restaurant per 3,332 people, and 1 Fast Food Restaurant per 1 square miles.
In Pennsylvania, Allegheny County is ranked 39th of 67 counties in Fast Food Restaurants per capita, and 3rd of 67 counties in Fast Food Restaurants per square mile.