List of Pennsylvania state historical markers in Philadelphia County
Philadelphia County, which is the same area as the city of Philadelphia, has a complete list of Pennsylvania state historical markers placed by the Pennsylvania Historical and Museum Commission (PHMC). As of 2021, there are 321 markers in the county. They include Roadside markers (the larger ones on posts), City markers (the narrower ones mounted on buildings or structures), and Plaque markers on buildings or structures. Of these, 12 are listed as missing. Latitude and longitude coordinates are provided by PHMC's database.
This page was last edited on 2 February 2026, at 07:44 (CET).