Pennsylvania Counties

Pennsylvania, state in the northeastern United States. There are 67 county in Pennsylvania. You can find the list of these counties and detailed information from the links below.

Philadelphia County
Philadelphia County

Philadelphia County, population 1,578,487

Allegheny County
Allegheny County

Allegheny County, population 1,211,358

Montgomery County
Montgomery County

Montgomery County, population 833,869

With 67 counties, Pennsylvania has one of the largest county systems in the United States. Here is an overview of some notable counties across the Keystone State:

Allegheny County

  • This county contains Pennsylvania's second-largest city, Pittsburgh.
  • Allegheny County is known for its industry, sports teams like the Steelers, and cultural attractions including the Andy Warhol Museum.

Philadelphia County

  • Encompassing the largest city in Pennsylvania, this county is coterminous with the city of Philadelphia.
  • Philadelphia landmarks include Independence Hall, the Liberty Bell, the Philadelphia Museum of Art, and Fairmount Park.

Delaware County

  • Forming part of the Philadelphia metropolitan area, Delaware County lies along the Delaware River.
  • Historic sites like the Hancock House and Chadds Ford Historical Society celebrate the county's colonial history.

Montgomery County

  • Located along the Schuylkill River, this county contains affluent suburbs like Lower Merion Township.
  • The county seat is Norristown, and other attractions include the King of Prussia shopping complex.

Lancaster County

  • Home to the oldest Amish settlement in the country, Lancaster County is known for its Amish community.
  • Agriculture and rolling farmlands dominate the landscape of this southeastern Pennsylvania county.

From the history of Philadelphia to the Amish communities, Pennsylvania's diverse counties each contribute unique local flavor and sights. Natural beauty and thriving cities can all be found among the counties of the state.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
County Name Population Cities
Adams County 102,742 Adams County cities
Allegheny County 1,211,358 Allegheny County cities
Armstrong County 64,162 Armstrong County cities
Beaver County 162,575 Beaver County cities
Bedford County 47,817 Bedford County cities
Berks County 421,017 Berks County cities
Blair County 121,007 Blair County cities
Bradford County 60,221 Bradford County cities
Bucks County 627,987 Bucks County cities
Butler County 189,135 Butler County cities
Cambria County 128,672 Cambria County cities
Cameron County 4,330 Cameron County cities
Carbon County 64,081 Carbon County cities
Centre County 161,496 Centre County cities
Chester County 526,759 Chester County cities
Clarion County 38,305 Clarion County cities
Clearfield County 78,612 Clearfield County cities
Clinton County 37,957 Clinton County cities
Columbia County 64,842 Columbia County cities
Crawford County 83,697 Crawford County cities
Cumberland County 255,857 Cumberland County cities
Dauphin County 279,874 Dauphin County cities
Delaware County 566,753 Delaware County cities
Elk County 29,607 Elk County cities
Erie County 268,426 Erie County cities
Fayette County 128,126 Fayette County cities
Forest County 6,965 Forest County cities
Franklin County 155,637 Franklin County cities
Fulton County 14,501 Fulton County cities
Greene County 35,621 Greene County cities
Huntingdon County 44,590 Huntingdon County cities
Indiana County 83,664 Indiana County cities
Jefferson County 43,108 Jefferson County cities
Juniata County 24,619 Juniata County cities
Lackawanna County 208,989 Lackawanna County cities
Lancaster County 546,192 Lancaster County cities
Lawrence County 85,083 Lawrence County cities
Lebanon County 141,663 Lebanon County cities
Lehigh County 370,802 Lehigh County cities
Luzerne County 316,982 Luzerne County cities
Lycoming County 113,209 Lycoming County cities
McKean County 40,333 McKean County cities
Mercer County 108,545 Mercer County cities
Mifflin County 46,064 Mifflin County cities
Monroe County 170,154 Monroe County cities
Montgomery County 833,869 Montgomery County cities
Montour County 18,042 Montour County cities
Northampton County 305,892 Northampton County cities
Northumberland County 90,258 Northumberland County cities
Perry County 46,212 Perry County cities
Philadelphia County 1,578,487 Philadelphia County cities
Pike County 56,072 Pike County cities
Potter County 16,453 Potter County cities
Schuylkill County 140,709 Schuylkill County cities
Snyder County 40,317 Snyder County cities
Somerset County 72,916 Somerset County cities
Sullivan County 5,913 Sullivan County cities
Susquehanna County 40,006 Susquehanna County cities
Tioga County 40,381 Tioga County cities
Union County 44,294 Union County cities
Venango County 50,328 Venango County cities
Warren County 38,911 Warren County cities
Washington County 206,803 Washington County cities
Wayne County 51,163 Wayne County cities
Westmoreland County 347,087 Westmoreland County cities
Wyoming County 26,557 Wyoming County cities
York County 450,448 York County cities

Counties on Map (67)