Pennsylvania Counties

Become familiar with the counties of Pennsylvania!

Adams County
County Seat: Gettysburg

Allegheny County
County Seat: Pittsburgh

Armstrong County
County Seat: Kittanning

Beaver County
County Seat: Beaver
Largest City: Aliquippa

Bedford County
County Seat: Bedford

Berks County
County Seat: Reading

Blair County
County Seat: Hollidaysburg
Largest City: Altoona

Bradford County
County Seat: Towanda
Largest Borough: Sayre

Bucks County
County Seat: Doylestown
Largest Community: Levittown

Butler County
County Seat: Butler

Cambria County
County Seat: Ebensburg
Largest City: Johnstown

Cameron County
County Seat: Emporium

Carbon County
County Seat: Jim Thorpe
Largest Borough: Palmerton

Centre County
County Seat: Bellefonte
Largest Borough: State College

Chester County
County Seat: West Chester

Clarion County
County Seat: Clarion

Clearfield County
County Seat: Clearfield
Largest City: DuBois

Clinton County
County Seat: Lock Haven

Columbia County
County Seat: Bloomsburg

Crawford County
County Seat: Meadville

Cumberland County
County Seat: Carlisle

Dauphin County
County Seat: Harrisburg

Delaware County
County Seat: Media
Largest City: Chester

Elk County
County Seat: Ridgway
Largest City: St. Marys

Erie County
County Seat: Erie

Fayette County
County Seat: Uniontown

Forest County
County Seat: Tionesta
Largest Community: Marienville

Franklin County
County Seat: Chambersburg

Fulton County
County Seat: McConnellsburg

Greene County
County Seat: Waynesburg

Huntingdon County
County Seat: Huntingdon

Indiana County
County Seat: Indiana

Jefferson County
County Seat: Brookville
Largest Borough: Punxsutawney

Juniata County
County Seat: Mifflintown

Lackawanna County
County Seat: Scranton

Lancaster County
County Seat: Lancaster

Lawrence County
County Seat: New Castle

Lebanon County
County Seat: Lebanon

Lehigh County
County Seat: Allentown

Luzerne County
County Seat: Wilkes-Barre

Lycoming County
County Seat: Williamsport

McKean County
County Seat: Smethport
Largest City: Bradford

Mercer County
County Seat: Mercer
Largest City: Hermitage

Mifflin County
County Seat: Lewistown

Monroe County
County Seat: Stroudsburg
Largest Borough: East Stroudsburg

Montgomery County
County Seat: Norristown

Montour County
County Seat: Danville

Northampton County
County Seat: Easton
Largest City: Bethlehem

Northumberland County
County Seat: Sunbury

Perry County
County Seat: New Bloomfield
Largest Borough: Marysville

Philadelphia County
County Seat: Philadelphia

Pike County
County Seat: Milford
Largest City: Matamoras

Potter County
County Seat: Coudersport

Schuylkill County
County Seat: Pottsville

Snyder County
County Seat: Middleburg
Largest Borough: Selinsgrove

Somerset County
County Seat: Somerset

Sullivan County
County Seat: Laporte
Largest Borough: Dushore

Susquehanna County
County Seat: Montrose
Largest Borough: Forest City

Tioga County
County Seat: Wellsboro

Union County
County Seat: Lewisburg

Venango County
County Seat: Franklin
Largest City: Oil City

Warren County
County Seat: Warren

Washington County
County Seat: Washington

Wayne County
County Seat: Honesdale

Westmoreland County
County Seat: Greensburg
Largest Municipality: Murrysville

Wyoming County
County Seat: Tunkhannock

York County
County Seat: York