|
Population
|
County
|
|
1,579,706
|
Philadelphia
|
|
1,228,177
|
Allegheny
|
|
867,573
|
Montgomery
|
|
647, 461
|
Bucks
|
|
579, 222
|
Delaware
|
|
557, 931
|
Lancaster
|
|
547, 840
|
Chester
|
|
462, 924
|
York
|
|
433, 015
|
Berks
|
|
378,792
|
Lehigh
|
|
352,500
|
Westmoreland
|
|
327,675
|
Luzerne
|
|
318,580
|
Northampton
|
|
289,593
|
Dauphin
|
|
269,052
|
Erie
|
|
268,323
|
Cumberland
|
|
216,146
|
Lackawanna
|
|
210,042
|
Washington
|
|
197,254
|
Butler
|
|
167,515
|
Monroe
|
|
166,324
|
Beaver
|
|
158,576
|
Centre
|
|
157,379
|
Franklin
|
|
144,186
|
Lebanon
|
|
143,558
|
Schuylkill
|
|
131,538
|
Cambria
|
|
125,997
|
Fayette
|
|
121,277
|
Blair
|
|
113,489
|
Lycoming
|
|
109,257
|
Mercer
|
|
106,115
|
Adams
|
|
90,560
|
Northumberland
|
|
85,024
|
Lawrence
|
|
83,042
|
Indiana
|
|
82,716
|
Crawford
|
|
78,635
|
Clearfield
|
|
72,799
|
Somerset
|
|
65,382
|
Carbon
|
|
65,362
|
Columbia
|
|
64,622
|
Armstrong
|
|
60,621
|
Pike
|
|
59,858
|
Bradford
|
|
51,262
|
Wayne
|
|
49,801
|
Venango
|
|
47,513
|
Bedford
|
|
46,239
|
Perry
|
|
46,041
|
Mifflin
|
|
43,864
|
Jefferson
|
|
43,653
|
Huntingdon
|
|
42,456
|
Union
|
|
40,945
|
Tioga
|
|
39,904
|
McKean
|
|
39,668
|
Snyder
|
|
38,219
|
Susquehanna
|
|
37,920
|
Warren
|
|
37,798
|
Clinton
|
|
37,179
|
Clarion
|
|
34,835
|
Greene
|
|
30,506
|
Elk
|
|
25,967
|
Wyoming
|
|
23,379
|
Juniata
|
|
18,103
|
Montour
|
|
16,188
|
Potter
|
|
14,351
|
Fulton
|
|
6,715
|
Forest
|
|
5,888
|
Sullivan
|
|
4,427
|
Cameron
|
|