Pennsylvania, US

State in the northeastern United States

Pennsylvania locator map — Location of Pennsylvania

Pennsylvania Quick Facts

Population :	12,801,989
Country :	United States of America
Office held by head of government :	Governor of Pennsylvania
Area :	119283 km²
Water as percent of area :	2.85
Northernmost point :	Point(-79.761872222 42.499847222)
Legislative body :	Pennsylvania General Assembly
Named for :	William Penn
Official language :	English
Altitude :	1,099 feet / 335 meters
Capital :	Harrisburg
Establishment :	December 12, 1787 (233 years ago)
Time Zone :	UTC−05:00
Local time :	20:59:39 (27th January 2021)

Ed Rendell , 18 January, 2011 21 January, 2003 -
Tom Ridge , 5 October, 2001 17 January, 1995 -
Tom Wolf , 20 January, 2015 -
Mark S. Schweiker , 21 January, 2003 5 October, 2001 -
Tom Corbett , 20 January, 2015 18 January, 2011 -

Luzerne County
Allegheny County
Butler County
Warren County
Westmoreland County
Erie County
Carbon County
Mifflin County
Cambria County
Snyder County
Armstrong County
McKean County
Columbia County
Greene County
Wayne County
Sullivan County
Centre County
Clinton County
Philadelphia County
Clearfield County
Northampton County
Potter County
Montour County
Lycoming County
Fulton County
Berks County
York County
Huntingdon County
Delaware County
Lancaster County
Blair County
Elk County
Susquehanna County
Monroe County
Lehigh County
Clarion County
Cumberland County
Franklin County
Forest County
Bucks County
Lebanon County
Bradford County
Lawrence County
Wyoming County
Montgomery County
Jefferson County
Beaver County
Fayette County
Washington County
Schuylkill County
Union County
Northumberland County
Adams County
Venango County
Chester County
Somerset County
Perry County
Pike County
Juniata County
Crawford County
Indiana County
Tioga County
Lackawanna County
Bedford County
Dauphin County
Mercer County
Cameron County

Year	Population	Method
1820	1,049,458	census
1830	1,348,233	census
1840	1,724,033	demographic balance
1910	7,665,111	census
1920	8,720,017	census
1930	9,631,350	census
1940	9,900,180	census
1950	10,498,012	census
1960	11,319,366	census
1970	11,793,909	census
1980	11,863,895	census
1990	11,881,643	census
2000	12,281,054	census
2010	12,702,379	census
2011	12,745,815	estimation process
2012	12,767,118	estimation process
2013	12,776,309	estimation process
2014	12,788,313	estimation process
2015	12,784,826	estimation process
2016	12,782,275	estimation process
2017	12,787,641	estimation process
2018	12,800,922	estimation process
2019	12,801,989	estimation process

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Pennsylvania Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Pennsylvania.

City Name	Title	County	Population
Philadelphia	Largest city in Pennsylvania, United States	Philadelphia	1,584,064
Croydon	London borough in South London	Bucks	385,346
Pittsburgh	County seat in Allegheny County, Pennsylvania, United States	Allegheny	300,286
Allentown	County seat city in Lehigh County, Pennsylvania, USA	Lehigh	121,442
Erie	County seat of Erie County, Pennsylvania, United States	Erie	95,508
Reading	County seat of Berks County, Pennsylvania, United States	Berks	88,375
Upper Darby	Town in Delaware County, Pennsylvania, United States	Delaware	82,930
Scranton	County seat city in Lackawanna County, Pennsylvania, USA	Lackawanna	76,653
City of Scranton	County seat city in Lackawanna County, Pennsylvania, USA	Lackawanna	76,089
McMurray	Census-designated place in Peters Township, Washington County, Pennsylvania (USA)	Washington	66,573
Bensalem	Township in Bucks County, Pennsylvania, United States	Bucks	60,507
Abington	Township in Montgomery County, Pennsylvania, USA	Montgomery	55,319
Bristol	Borough in Bucks County, Pennsylvania, United States	Bucks	53,473
Haverford	Community in Pennsylvania	Montgomery	49,526
Harrisburg	City in and county seat of Dauphin County, Pennsylvania, United States and Pennsylvania federated state capital city	Dauphin	49,271
Altoona	City in Blair County, Pennsylvania	Blair	43,364

Show more Pennsylvania cities and populated places

Pennsylvania Counties (more)

County Name	Population
Philadelphia County	1,584,064
Allegheny County	1,216,045
Montgomery County	830,915
Bucks County	628,270
Delaware County	566,747
Lancaster County	545,724
Chester County	524,989
York County	449,058
Berks County	421,164
Lehigh County	369,318
Westmoreland County	348,899
Luzerne County	317,417
Northampton County	305,285
Dauphin County	278,299
Erie County	269,728
Cumberland County	253,370