There are 100 Parking Lots & Garages in Allegheny County, Pennsylvania, serving a population of 1,229,605 people in an area of 730 square miles. There is 1 Parking Lot & Garage per 12,296 people, and 1 Parking Lot & Garage per 7 square miles.
In Pennsylvania, Allegheny County is ranked 3rd of 67 counties in Parking Lots & Garages per capita, and 3rd of 67 counties in Parking Lots & Garages per square mile.