Population (2010)
|
County/Counties
|
City
|
1,526,006
|
Philadelphia
|
Philadelphia
|
305,704
|
Allegheny
|
Pittsburgh
|
118,032
|
Lehigh
|
Allentown
|
101,786
|
Erie
|
Erie
|
88,082
|
Berks
|
Reading
|
76,089
|
Lackawanna
|
Scranton
|
74,982
|
Lehigh/Northampton
|
Bethlehem
|
59,322
|
Lancaster
|
Lancaster
|
49,528
|
Dauphin
|
Harrisburg
|
46,320
|
Blair
|
Altoona
|
43,718
|
York
|
York
|
41,498
|
Luzerne
|
Wilkes-Barre
|
33,972
|
Delaware
|
Chester
|
29,381
|
Lycoming
|
Williamsport
|
26,800
|
Northampton
|
Easton
|
25,477
|
Lebanon
|
Lebanon
|
25,340
|
Luzerne
|
Hazleton
|
23,273
|
Lawrence
|
New Castle
|
20,978
|
Cambria
|
Johnstown
|
19,731
|
Allegheny
|
McKeesport
|
16,220
|
Mercer
|
Hermitage
|
14,892
|
Westmoreland
|
Greensburg
|
14,038
|
Mercer
|
Sharon
|
13,757
|
Butler
|
Butler
|
13,663
|
Washington
|
Washington
|
13,555
|
Schuylkill
|
Pottsville
|
13,388
|
Crawford
|
Meadville
|
13,116
|
Westmoreland
|
New Kensington
|
13,100
|
Chester
|
Coatesville
|
|
Population (2010)
|
County/Counties
|
City
|
13,070
|
Elk
|
St. Marys
|
11,761
|
Westmoreland
|
Lower Burrell
|
10,557
|
Venango
|
Oil City
|
10,465
|
Luzerne
|
Nanticoke
|
10,372
|
Fayette
|
Uniontown
|
9,905
|
Northumberland
|
Sunbury
|
9,772
|
Clinton
|
Lock Haven
|
9,710
|
Warren
|
Warren
|
9,654
|
Westmoreland
|
Jeannette
|
9,438
|
Beaver
|
Aliquippa
|
8,987
|
Beaver
|
Beaver Falls
|
8,891
|
Lackawanna
|
Carbondale
|
8,770
|
McKean
|
Bradford
|
8,338
|
Westmoreland
|
Latrobe
|
7,794
|
Clearfield
|
Du Bois
|
7,739
|
Luzerne
|
Pittston
|
7,720
|
Westmoreland
|
Monessen
|
7,637
|
Fayette
|
Connellsville
|
7,374
|
Northumberland
|
Shamokin
|
6,796
|
Allegheny
|
Clairton
|
6,618
|
Erie
|
Corry
|
6,545
|
Venango
|
Franklin
|
5,601
|
Crawford
|
Titusville
|
5,565
|
Allegheny
|
Duquesne
|
5,157
|
Westmoreland
|
Arnold
|
5,111
|
Mercer
|
Farrell
|
4,300
|
Washington
|
Monongahela
|
840
|
Armstrong
|
Parker
|
|