Roofs summary
Philadelphia, Pennsylvania has a recorded population of 1,573,916. For roofs, the page currently shows roof sections: ~ 110, leak attention points: ~ 44, seasonal risk sites: ~ 60, repair zones: ~ 55, housing units: 642,415. The figures use the available U.S. geography, population, housing and local-structure data for this place.
Calculated from U.S. geography, population and local structure. Public messages are moderated before publication.