Cities & Towns in Allegheny County, PA

Allegheny County, county in the southwestern part of the U.S. state of Pennsylvania. As of 2020 county had an estimated population of 1,211,358 inhabitants. The county was created 235 years ago in 1788. Its county seat is Pittsburgh.

There are more than 100 city/town in Allegheny County, PA. 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, Mount Lebanon population 31,418

Pittsburgh
Pittsburgh

Pittsburgh, The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area.

Penn Hills
Penn Hills

Penn Hills, A borough in Allegheny County, Pennsylvania.

Municipality of Bethel Park
Municipality of Bethel Park

Municipality of Bethel Park, Home rule municipality of Pennsylvania

Home to the historic city of Pittsburgh, Allegheny County in western Pennsylvania contains a diverse mix of urban neighborhoods as well as suburban and rural towns. Though Pittsburgh provides an economic anchor, each community within the county has cultivated its own identity. Some of the most notable cities and boroughs include Pittsburgh, McKeesport, Bethel Park, Ross Township, and Monroeville.

Pittsburgh serves as Allegheny County’s seat with its iconic skyline, historic sites, and lively cultural scene. McKeesport provides small town living along the Monongahela River. Bethel Park offers a family-friendly community. Ross Township contains portions of North Park. And Monroeville is known for shopping at the Monroeville Mall.

The county seat and largest city is Pittsburgh, which is also the 66th-largest city in the United States and the cultural and economic center of the Pittsburgh metropolitan area. The county was established in 1788 and named after the Allegheny River, which flows through it. Allegheny County has 130 incorporated municipalities, including four cities, 91 boroughs, and 35 townships. Here are some brief introductions to each of the four cities:

  • Pittsburgh: The largest and most populous city in the county and the metropolitan area, with a population of 302,205. It is located at the confluence of the Allegheny, Monongahela, and Ohio rivers, known as the “Golden Triangle”. It is a center of culture, commerce, education, and sports, hosting many museums, theaters, festivals, and professional teams. It also has a vibrant downtown area with skyscrapers, restaurants, and nightlife.

  • McKeesport: The second-largest city in the county and the 18th-largest in the state, with a population of 18,927. It is located south of Pittsburgh, on the banks of the Monongahela and Youghiogheny rivers. It is a historic and industrial city, dating back to the late 18th century. It has a rich heritage and culture, featuring the McKeesport Regional History & Heritage Center, the McKeesport Little Theater, and the McKeesport Symphony Orchestra.

  • Duquesne: The third-largest city in the county and the 44th-largest in the state, with a population of 5,565. It is located east of Pittsburgh, on the Monongahela River. It is also a historic and industrial city, once home to one of the largest steel mills in the world. It has a diverse and resilient community, featuring the Duquesne City Hall, the Duquesne-West Mifflin Boys & Girls Club, and the Duquesne Light Company.

  • Clairton: The fourth-largest city in the county and the 63rd-largest in the state, with a population of 6,432. It is located south of Pittsburgh, on the Monongahela River. It is also a historic and industrial city, known for its coke production and steelmaking. It has a proud and vibrant community, featuring the Clairton Public Library, the Clairton Education Center, and the Clairton Bears football team.

Additionally, Allegheny County includes college towns like Plum Borough, industrial river towns like Oakmont along the Allegheny River, and tiny agricultural enclaves like Fawn Township. From steel heritage to high technology, the municipalities of Allegheny County reflect the evolution and spirit of western Pennsylvania.

All Allegheny County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Allegheny County.

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
City Name Title Population
Aspinwall City in Allegheny County, Pennsylvania, United States 2,653
Avalon City on Santa Catalina Island in California, United States 4,506
Bell Acres Borough of Pennsylvania 1,373
Ben Avon Borough in Pennsylvania 1,777
Ben Avon Heights Borough of Pennsylvania 361
Bessemer Borough of Pennsylvania 1,045
Bethel Park Home rule municipality of Pennsylvania 32,118
Blawnox Borough of Pennsylvania 1,379
Bloomfield Borough in Perry County, Pennsylvania, USA 1,255
Brackenridge Borough of Pennsylvania 3,113
Braddock Borough of Pennsylvania 2,103
Braddock Hills Borough of Pennsylvania 1,772
Bradford Woods Borough of Pennsylvania 1,135
Brentwood Borough in Allegheny County, Pennsylvania, United States 9,203
Bridgeville Town in Delaware 5,092
Bryn Mawr Census-designated place in Delaware and Montgomery counties, Pennsylvania, United States 5,009
Carnegie Borough in Allegheny County, Pennsylvania, United States 7,752
Castle Shannon Borough of Pennsylvania 8,371
Cecil Township in Washington County, Pennsylvania 13,220
Center Human settlement in Pennsylvania, United States 2,438
Chalfant Borough of Pennsylvania 765
Cheswick Borough of Pennsylvania 1,662
Churchill Borough in Pennsylvania, United States 2,902
Clairton City in Allegheny County, Pennsylvania, United States of America 6,497
Clifton Township in Lackawanna County, Pennsylvania 1,422
Clinton Census-designated place in Allegheny County, Pennsylvania 1,229
Coraopolis Borough in Allegheny County, Pennsylvania 5,385
Crafton Borough of Pennsylvania 5,731
Curtisville Census designated place 1,064
Dormont Borough of Pennsylvania 8,224
Douglass Township in Montgomery County, Pennsylvania 10,582
Dravosburg Borough of Pennsylvania 1,710
Duquesne City of Pennsylvania 5,531
East McKeesport Borough of Pennsylvania 2,027
East Pittsburgh Borough in Allegheny County, Pennsylvania 1,746
Edgewood Borough of Pennsylvania 2,983
Edgeworth Borough of Pennsylvania 1,646
Elizabeth Borough in Pennsylvania, United States 11,494
Emsworth Borough of Pennsylvania 2,333
Etna Borough of Pennsylvania 3,284
Fox Chapel Borough of Pennsylvania 5,056
Franklin Park Borough of Pennsylvania 14,883
Glassport Borough of Pennsylvania 4,285
Glenfield Borough of Pennsylvania 200
Green Tree Borough in Allegheny County, Pennsylvania, United States 4,968
Greenfield Township in Erie County, Pennsylvania 2,007
Gregg Township in Pennsylvania, USA 4,637
Haysville Borough of Pennsylvania 74
Heidelberg Suburb south-west of Pittsburgh in Allegheny County, Pennsylvania, USA, population 1244 1,199
Highland Township in Elk County, Pennsylvania 456
Homestead Borough in Allegheny County, Pennsylvania, United States 3,133
Homewood Borough of Pennsylvania 121
Ingram Borough in Allegheny County, Pennsylvania 3,175
Jefferson Hills Borough of Pennsylvania 11,136
Knoxville Borough in Tioga County, Pennsylvania, in the United States 594
Lawrenceville Human settlement in Tioga County, Pennsylvania, United States of America 633
Leechburg Borough of Pennsylvania 1,969
Leetsdale Borough of Pennsylvania 1,149
Liberty Borough of Pennsylvania 230
Lincoln Borough of Pennsylvania 1,013
Manchester Borough in Pennsylvania 2,766
McKees Rocks Borough in Allegheny County, Pennsylvania, U. 5,815
McKeesport City in Allegheny County, Pennsylvania, United States 18,927
Millerstown Borough in northeastern Perry County, Pennsylvania 674
Millvale Borough of Pennsylvania 3,636
Monroeville City in Alabama, United States 28,176
Moon Township in Allegheny County, Pennsylvania 25,204
Mount Lebanon Municipality in Pennsylvania 31,418
Mount Oliver Borough of Pennsylvania 3,257
Munhall Borough of Pennsylvania 10,930
Municipality of Bethel Park Home rule municipality of Pennsylvania 32,345
North Braddock Borough in Allegheny County, Pennsylvania, United States 4,635
North Versailles Township of Pennsylvania 9,869
Oakdale Borough of Pennsylvania 1,423
Oakland Census-designated place in Cambria County, Pennsylvania 556
Oakmont Borough in Allegheny County, Pennsylvania, United States 6,443
Otto Township in McKean County, Pennsylvania 1,478
Penn Hills A borough in Allegheny County, Pennsylvania. 40,517
Pennsbury Village Borough of Pennsylvania 649
Pitcairn Borough of Pennsylvania 3,136
Pittsburgh The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area. 299,226
Pleasant Hills Borough of Pennsylvania 7,968
Pleasantville Borough in Bedford County, Pennsylvania 806
Plum Borough of Pennsylvania 26,993
Port Vue Borough of Pennsylvania 3,623
Rankin Borough of Pennsylvania 2,012
Rosslyn Farms Borough of Pennsylvania 417
Russellton Census designated place 1,440
Saint Clair Borough in central Schuylkill County, Pennsylvania 2,823
Sandy Creek Township in Mercer County, Pennsylvania 732
Sewickley Borough in Allegheny County, Pennsylvania, United States 3,768
Sewickley Heights Former township in Allegheny County, Pennsylvania 802
Sewickley Hills Borough of Pennsylvania 693
Sharpsburg Town in Maryland, United States 3,315
Sligo Human settlement in Clarion County, Pennsylvania, United States of America 663
Springdale Borough in Pennsylvania 3,265
Swissvale Borough in Pennsylvania 8,590
Tarentum Borough of Pennsylvania 4,338
Taylor Borough in Pennsylvania, United States 5,879
Thornburg Borough of Pennsylvania 411
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County Cities on Map (100)

Pennsylvania Counties (67)

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