Statewide Maps
- US Census Bureau Maps for Pennsylvania
- Census Tract Maps -- US goverment works are not covered by U.S. Copyright law.
- An easy-to-use source of the same information is Home Town Locator. Click on the county, then the Cities tab, then the census-designate place name, then the maps tab. But be wary of any copyrighted information that might be combined with the census information. as per wikipedia's page on derivative works of US government works
- Other sources of maps
- Pennsylvania Department of Transportation Maps
City Maps
Construction Information
Counties in Pennsylvania
- Adams
- Allegheny
- Armstrong
- Beaver
- Bedford
- Berks
- Blair
- Bradford
- Bucks
- Butler
- Cambria GIS and FC
- Cameron
- Carbon
- Centre GIS
- Chester
- Clarion
- Clearfield
- Clinton
- Columbia
- Crawford
- Cumberland
- Dauphin
- Delaware
- Elk
- Erie
- Fayette
- Forest
- Franklin
- Fulton
- Greene
- Huntingdon
- Indiana
- Jefferson
- Juniata
- Lackawanna
- Lancaster
- Lawrence
- Lebanon
- Lehigh
- Luzerne
- Lycoming
- McKean
- Mercer
- Mifflin
- Monroe
- Montgomery
- Montour
- Northampton
- Northumberland
- Perry
- Philadelphia
- Pike
- Potter
- Schuylkill
- Snyder
- Somerset
- Sullivan
- Susquehanna
- Tioga
- Union
- Venango
- Warren
- Washington
- Wayne
- Westmoreland
- Wyoming
- York