Philadelphia County, Pennsylvania

Philadelphia County: county in Pennsylvania, United States

About

Philadelphia County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 1,526,006 and a population density of 10,671 people per km². After 10 years in 2020 county had an estimated population of 1,578,487 inhabitants. Its county seat is Philadelphia. The county was created 344 years ago in 1682.

Philadelphia County locator map
Location of Philadelphia County on Pennsylvania map.

County Snapshot

Philadelphia County at a glance

Philadelphia County currently has 3 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

3

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Philadelphia County

Population 1,578,487 (2020)
Country United States of America
State Pennsylvania (United States)
Area 143 km2
Water as percent of area 6%
Land as percent of area 94%
Latitude & Longitude 40.0076,-75.1340
Named for Philadelphia
Altitude 223 feet / 68 meters
Capital Philadelphia
Establishment March 10, 1682
Time Zone America/New_York
Local time 11:05:56 (19th April 2026)
Density 11,038 Pop. per km² as of 2020
Population growth 3.32% (2010-2020)
Weather 63℉ Rain Showers Likely 7-days weather
Old City Hall - U. S. Supreme Court Building image
Old City Hall - U. S. Supreme Court Building image

Geography

Philadelphia County is located at 40°0'28"N 75°8'2"W (40.0076400, -75.1339600). It has 5 neighbors: Burlington County, Gloucester County, Bucks County, Delaware and Montgomery County.

Philadelphia County map

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The largest city of Philadelphia County is Philadelphia with a population of 1,578,487. Other cities include, Richmond population 2,269 and Tioga population 642. See all Philadelphia County cities & populated places.

Philadelphia County Populated Places

Cities, towns, neighborhoods & other populated places in Philadelphia County.

City Name Population Title
Philadelphia 1,578,487 The sixth most populous city in the United States and the center of the Philadelphia metropolitan area.
Richmond 2,269 District in Pennsylvania, United States of America
Tioga 642 Borough of Pennsylvania

Weather

63°F
Rain Showers Likely
5 to 15 mph W Sunday

Rain showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

7-Day Forecast

Official website of Philadelphia County

Official Website

Demographics

The population of Philadelphia County increased by 3.32% in 10 years.

Year Population % Change Method
2010 1,526,006 - census
2011 1,540,466 0.94% estimation process
2012 1,551,824 0.73% estimation process
2013 1,558,313 0.42% estimation process
2014 1,565,460 0.46% estimation process
2015 1,571,065 0.36% estimation process
2016 1,576,051 0.32% estimation process
2017 1,580,601 0.29% estimation process
2018 1,583,592 0.19% estimation process
2019 1,584,064 0.03% estimation process
2020 1,578,487 -0.35% estimation process
Comitatul Philadelphia, Comte de Philadelphia, Comte de Philadelphie, Comté de Philadelphia, Comté de Philadelphie, Condado de Filadelfia, Condado han Philadelphia, Contae Philadelphia, Contea di Filadelfia, Filadel'fija, Filadelfia konderria, Filadelfia srjan, Filadelfija, Hrabstwo Philadelphia, Konteth Philadelphia, Okrug Filadelfija, Philadelphia, Philadelphia Comitatus, Philadelphia Kun, Philadelphia Kūn, Philadelphia megye, Philadelphia-sysla, Philadelphia-sýsla, Philadelphian piirikunta, Quan Philadelphia, Quận Philadelphia, fei cheng xian, firaderufia jun, philadelaphiya ka'unti, pilladelpia gun, Округ Филаделфија, Филаделфия, Филадельфия, Філадельфія, Ֆիլադելֆիա շրջան, فلاڈیلفیا کاؤنٹی, فلاڈیلفیا کاؤنٹی، پنسلوانیا, مقاطعة فيلادلفيا, ফিলাডেলফিয়া কাউন্টি, フィラデルフィア郡, 費城縣, 필라델피아 군

People born in Philadelphia County (5)

People born in Philadelphia County, including Episcopalian priest and missionary James Lloyd Breck, lawyer W. Wilson White, poet, journalist, editor, playwright Lucy Hamilton Hooper, .

More notable people

  • Lardner Gibbon (US naval officer and explorer) he was born in 13/08/1820
  • Abraham Vanhoy Zane (naval officer) he was born in 14/08/1850

Pennsylvania Other Counties (more counties)

County Name Population Title
Philadelphia 1,578,487 The sixth most populous city in the United States and the center of the Philadelphia metropolitan area.
Allegheny County 1,211,358 County in the southwestern part of the U.
Montgomery County 833,869 County in Pennsylvania, United States
Bucks County 627,987 County in Pennsylvania, United States
Delaware County 566,753 County in Pennsylvania, United States
Lancaster County 546,192 County in Pennsylvania, United States
Chester County 526,759 County in Pennsylvania, United States
York County 450,448 County in Maine, United States
Berks County 421,017 County in Pennsylvania, United States
Lehigh County 370,802 County in Pennsylvania, United States of America
Westmoreland County 347,087 County in Pennsylvania, United States
Luzerne County 316,982 County in Pennsylvania, United States
Northampton County 305,892 County in Pennsylvania, United States
Pittsburgh 299,226 The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area.
Dauphin County 279,874 County in Pennsylvania, United States
Erie County 268,426 County in Pennsylvania, United States