Allegheny County, Pennsylvania
Allegheny County: County in the southwestern part of the U.S. state of Pennsylvania
About
Allegheny County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 1,223,348 and a population density of 634 people per km². After 10 years in 2020 county had an estimated population of 1,211,358 inhabitants. Its county seat is Pittsburgh. The county was created 236 years ago in 1788.
Quick Facts about Allegheny County
Population : | 1,211,358 (2020) |
Country : | United States of America |
State : | Pennsylvania (United States) |
Different from : | Anderson County, Allen County, Anderson County, Allen County, Alleghany County, Anderson County, Allegany County, Anderson County, Allen Parish, Allegan County, Alleghany County, Allen County, Allen County, Allegany County, Anderson County |
Area : | 1929 km2 |
Official name : | Allegheny County |
Water as percent of area : | 1.9% |
Land as percent of area : | 98.1% |
Named for : | Allegheny River |
Altitude : | 961 feet / 293 meters |
Capital : | Pittsburgh |
Establishment : | September 09, 1788 |
Time Zone : | America/New_York |
Local time : | 16:32:11 (2nd November 2024) |
Density : | 628 Pop. per km² as of 2020 |
Population growth : | -0.99% (2010-2020) |
Geography
Allegheny County is located at 40°28'8"N 79°58'52"W (40.4688300, -79.9811900). It has 4 neighbors: Armstrong County, Butler County, Washington County and Westmoreland County.
Allegheny County map
The largest city of Allegheny County is Pittsburgh with a population of 299,226. Other cities include, Penn Hills population 40,517, Municipality of Bethel Park population 32,345, Bethel Park population 32,118 and Mount Lebanon population 31,418. See all Allegheny County cities & populated places.
Allegheny County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Allegheny County.
City Name | Population | Title |
---|---|---|
Pittsburgh | 299,226 | The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area. |
Penn Hills | 40,517 | A borough in Allegheny County, Pennsylvania. |
Bethel Park | 32,118 | Home rule municipality of Pennsylvania |
Mount Lebanon | 31,418 | Municipality in Pennsylvania |
Monroeville | 28,176 | City in Alabama, United States |
Plum | 26,993 | Borough of Pennsylvania |
Moon | 25,204 | Township in Allegheny County, Pennsylvania |
Unity | 21,600 | Township in Westmoreland County, Pennsylvania, United States |
Upper Saint Clair | 19,896 | Home rule municipality in Allegheny County |
West Mifflin | 19,588 | Borough of Pennsylvania |
McKeesport | 18,927 | City in Allegheny County, Pennsylvania, United States |
Wilkinsburg | 15,186 | Borough of Pennsylvania |
Franklin Park | 14,883 | Borough of Pennsylvania |
Cecil | 13,220 | Township in Washington County, Pennsylvania |
Elizabeth | 11,494 | Borough in Pennsylvania, United States |
Jefferson Hills | 11,136 | Borough of Pennsylvania |
- Official Website
Official website of Allegheny County
Allegheny County has 4 neighbours.
- Armstrong County county in Pennsylvania, United States
- Butler County county in Pennsylvania, United States of America
- Washington County county in Pennsylvania, United States
- Westmoreland County county in Pennsylvania, United States
Demographics
According to census records, the population of Allegheny County decreased by 0.99% in 10 years.
Year | Population | % Change | Method |
2010 | 1,223,348 | - | census |
2011 | 1,228,297 | 0.4% | estimation process |
2012 | 1,230,911 | 0.21% | estimation process |
2013 | 1,233,700 | 0.23% | estimation process |
2014 | 1,233,027 | -0.05% | estimation process |
2015 | 1,228,827 | -0.34% | estimation process |
2016 | 1,226,426 | -0.2% | estimation process |
2017 | 1,220,141 | -0.52% | estimation process |
2018 | 1,217,281 | -0.23% | estimation process |
2019 | 1,216,045 | -0.1% | estimation process |
2020 | 1,211,358 | -0.39% | estimation process |
People born in Allegheny County (38)
People born in Allegheny County, including horticulturist Alex Shigo, historian, toponymist, and novelist George R. Stewart, actor/film director Lois Weber, .
List
- Bunny Yeager (American photographer and model) she was born in 13/03/1929
- Alferd Packer (Union Army soldiers) he was born in 21/01/1842
- Sidney Rigdon (American Mormon leader) he was born in 19/02/1793
- William D. Boyce (Businessman and founder of Scouting in America) he was born in 16/06/1858
- Elijah Hise (American politician (1802-1867)) he was born in 04/07/1802
- Joseph M. Schmondiuk (Archbishop of the Ukrainian Catholic Church) he was born in 06/08/1912
- Philip Childs Keenan (American astronomer) he was born in 31/03/1908
- Michael Dietz (American actor) he was born in 10/02/1971
- Charlie Batch (former NFL quarterback) he was born in 05/12/1974
- Mary Ruefle (Poet, essayist, professor) she was born in 16/04/1952
- M. Graham Netting (American zoologist) he was born in 01/01/1904
- Terrell Anderson he was born in 29/11/1989
- Baptiste Manzini (American football player and coach (1920-2008)) he was born in 27/08/1920
- Charles Mertz Arbuthnot (physician and pharmacist in Kansas) he was born in 15/12/1852
- Edward Early (American politician) he was born in 02/10/1935
- Justin Kurpeikis (American football player) he was born in 17/07/1977
- James Y. McKee (Acting president of Penn State University) he was born in 20/06/1836
- Jim Callahan (American baseball player) he was born in 12/01/1881
Pennsylvania Other Counties (more counties)
County Name | Population | Title |
---|---|---|
Philadelphia County | 1,578,487 | County in Pennsylvania, United States |
Philadelphia | 1,578,487 | The sixth most populous city in the United States and the center of the Philadelphia metropolitan area. |
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 |