Counties in Pennsylvania Philadelphia County (Philadelphia) Allegheny County (Pittsburgh) Montgomery County (Norristown) Bucks County (Doylestown) Delaware County (Media) Lancaster County (Lancaster) Chester County (West Chester) York County (York) Berks County (Reading) Lehigh County (Allentown) Westmoreland County (Greensburg) Luzerne County (Wilkes-Barre) Northampton County (Easton) Dauphin County (Harrisburg) Erie County (Erie) Cumberland County (Carlisle) Lackawanna County (Scranton) Washington County (Washington) Butler County (Butler) Monroe County (Stroudsburg) Beaver County (Beaver) Centre County (Bellefonte) Franklin County (Chambersburg) Lebanon County (Lebanon) Schuylkill County (Pottsville) Cambria County (Ebensburg) Fayette County (Uniontown) Blair County (Hollidaysburg) Lycoming County (Williamsport) Mercer County (Mercer) Adams County (Gettysburg) Northumberland County (Sunbury) Lawrence County (New Castle) Crawford County (Meadville) Indiana County (Indiana) Clearfield County (Clearfield) Somerset County (Somerset) Armstrong County (Kittanning) Carbon County (Jim Thorpe) Columbia County (Bloomsburg) Bradford County (Towanda) Pike County (Milford) Wayne County (Honesdale) Venango County (Franklin) Bedford County (Bedford) Mifflin County (Lewistown) Perry County (New Bloomfield) Jefferson County (Brookville) Huntingdon County (Huntingdon) Union County (Lewisburg) Tioga County (Wellsboro) McKean County (Smethport) Snyder County (Middleburg) Warren County (Warren) Susquehanna County (Montrose) Clinton County (Lock Haven) Clarion County (Clarion) Greene County (Waynesburg) Elk County (Ridgway) Wyoming County (Tunkhannock) Juniata County (Mifflintown) Montour County (Danville) Potter County (Coudersport) Fulton County (McConnellsburg) Forest County (Tionesta) Sullivan County (Laporte) Cameron County (Emporium)