|
Population
|
1810
|
|
53,722
|
Philadelphia
|
|
5,405
|
Lancaster
|
|
4,768
|
Pittsburgh
|
|
3,462
|
Reading
|
|
2,847
|
York
|
|
2,491
|
Carlisle
|
|
2,287
|
Harrisburg
|
|
1,657
|
Easton
|
|
1,304
|
Chambersburg
|
|
1,301
|
Washington
|
|
|
|
|
Population
|
1820
|
|
63,802
|
Philadelphia
|
|
7,248
|
Pittsburgh
|
|
6,633
|
Lancaster
|
|
4,332
|
Reading
|
|
3,107
|
York
|
|
2,990
|
Harrisburg
|
|
2,908
|
Carlisle
|
|
2,370
|
Easton
|
|
1,891
|
Columbia
|
|
1,717
|
Chambersburg
|
|
|
|
|
Population
|
1830
|
|
80,462
|
Philadelphia
|
|
12,568
|
Pittsburgh
|
|
7,704
|
Lancaster
|
|
5,856
|
Reading
|
|
4,312
|
Harrisburg
|
|
4,216
|
York
|
|
3,708
|
Carlisle
|
|
3,529
|
Easton
|
|
2,783
|
Chambersburg
|
|
2,464
|
Pottsville
|
|
|
|
|
Population
|
1840
|
|
93,665
|
Philadelphia
|
|
21,115
|
Pittsburgh
|
|
8,417
|
Lancaster
|
|
8,410
|
Reading
|
|
5,980
|
Harrisburg
|
|
4,865
|
Easton
|
|
4,779
|
York
|
|
4,351
|
Carlisle
|
|
4,345
|
Pottsville
|
|
3,412
|
Erie
|
|
|
|
|
Population
|
1850
|
|
121,376
|
Philadelphia
|
|
46,601
|
Pittsburgh
|
|
15,743
|
Reading
|
|
12,369
|
Lancaster
|
|
7,834
|
Harrisburg
|
|
7,515
|
Pottsville
|
|
7,250
|
Easton
|
|
6,803
|
York
|
|
6,024
|
Norristown
|
|
5,858
|
Erie
|
|
|
|
|
Population
|
1860
|
|
565,529
|
Philadelphia
|
|
49,221
|
Pittsburgh
|
|
23,162
|
Reading
|
|
17,603
|
Lancaster
|
|
13,405
|
Harrisburg
|
|
9,444
|
Pottsville
|
|
9,419
|
Erie
|
|
9,223
|
Scranton
|
|
8,944
|
Easton
|
|
8,848
|
Norristown
|
|
|
Population
|
1870
|
|
674,022
|
Philadelphia
|
|
86,076
|
Pittsburgh
|
|
35,092
|
Scranton
|
|
33,930
|
Reading
|
|
23,104
|
Harrisburg
|
|
20,233
|
Lancaster
|
|
19,646
|
Erie
|
|
16,030
|
Williamsport
|
|
13,884
|
Allentown
|
|
12,384
|
Pottsville
|
|
|
|
|
Population
|
1880
|
|
847,170
|
Philadelphia
|
|
156,389
|
Pittsburgh
|
|
45,850
|
Scranton
|
|
43,278
|
Reading
|
|
30,762
|
Harrisburg
|
|
27,737
|
Erie
|
|
25,769
|
Lancaster
|
|
23,339
|
Wilkes-Barre
|
|
19,710
|
Altoona
|
|
18,934
|
Williamsport
|
|
|
|
|
Population
|
1890
|
|
1,046,964
|
Philadelphia
|
|
238,617
|
Pittsburgh
|
|
75,215
|
Scranton
|
|
58,661
|
Reading
|
|
40,634
|
Erie
|
|
39,385
|
Harrisburg
|
|
37,718
|
Wilkes-Barre
|
|
32,011
|
Lancaster
|
|
30,337
|
Altoona
|
|
27,132
|
Williamsport
|
|
|
|
|
Population
|
1900
|
|
1,293,697
|
Philadelphia
|
|
321,616
|
Pittsburgh
|
|
102,026
|
Scranton
|
|
78,961
|
Reading
|
|
52,733
|
Erie
|
|
51,721
|
Wilkes-Barre
|
|
50,167
|
Harrisburg
|
|
41,459
|
Lancaster
|
|
38,973
|
Altoona
|
|
35,936
|
Johnstown
|
|
|
|
|
Population
|
1910
|
|
1,549,008
|
Philadelphia
|
|
533,905
|
Pittsburgh
|
|
129,867
|
Scranton
|
|
96,071
|
Reading
|
|
67,105
|
Wilkes-Barre
|
|
66,525
|
Erie
|
|
64,186
|
Harrisburg
|
|
55,482
|
Johnstown
|
|
52,127
|
Altoona
|
|
51,913
|
Allentown
|
|
|
Population
|
1920
|
|
1,823,779
|
Philadelphia
|
|
588,343
|
Pittsburgh
|
|
137,783
|
Scranton
|
|
107,784
|
Reading
|
|
93,372
|
Erie
|
|
75,917
|
Harrisburg
|
|
73,833
|
Wilkes-Barre
|
|
73,502
|
Allentown
|
|
67,327
|
Johnstown
|
|
60,331
|
Altoona
|
|
|
|
|
Population
|
1930
|
|
1,950,961
|
Philadelphia
|
|
669,817
|
Pittsburgh
|
|
143,403
|
Scranton
|
|
115,967
|
Erie
|
|
111,171
|
Reading
|
|
92,563
|
Allentown
|
|
86,626
|
Wilkes-Barre
|
|
82,054
|
Altoona
|
|
80,339
|
Harrisburg
|
|
66,993
|
Johnstown
|
|
|
|
|
Population
|
1940
|
|
1,931,334
|
Philadelphia
|
|
671,659
|
Pittsburgh
|
|
140,404
|
Scranton
|
|
116,955
|
Erie
|
|
110,568
|
Reading
|
|
96,904
|
Allentown
|
|
86,236
|
Wilkes-Barre
|
|
83,893
|
Harrisburg
|
|
80,214
|
Altoona
|
|
66,668
|
Johnstown
|
|
|
|
|
Population
|
1950
|
|
2,071,605
|
Philadelphia
|
|
676,806
|
Pittsburgh
|
|
130,803
|
Erie
|
|
125,536
|
Scranton
|
|
109,320
|
Reading
|
|
106,756
|
Allentown
|
|
89,544
|
Harrisburg
|
|
77,177
|
Altoona
|
|
76,826
|
Wilkes-Barre
|
|
66,340
|
Bethlehem
|
|
|
|
|
Population
|
1960
|
|
2,002,512
|
Philadelphia
|
|
604,332
|
Pittsburgh
|
|
138,440
|
Erie
|
|
111,443
|
Scranton
|
|
108,347
|
Allentown
|
|
98,061
|
Reading
|
|
79,697
|
Harrisburg
|
|
75,408
|
Bethlehem
|
|
69,407
|
Altoona
|
|
63,658
|
Chester
|
|
|
Population
|
1970
|
|
1,948,609
|
Philadelphia
|
|
520,117
|
Pittsburgh
|
|
129,231
|
Erie
|
|
109,871
|
Allentown
|
|
103,564
|
Scranton
|
|
87,643
|
Reading
|
|
72,686
|
Bethlehem
|
|
68,061
|
Harrisburg
|
|
63,115
|
Altoona
|
|
58,856
|
Wilkes-Barre
|
|
|
|
|
Population
|
1980
|
|
1,688,210
|
Philadelphia
|
|
423,938
|
Pittsburgh
|
|
119,123
|
Erie
|
|
103,758
|
Allentown
|
|
88,117
|
Scranton
|
|
78,686
|
Reading
|
|
70,419
|
Bethlehem
|
|
57,078
|
Altoona
|
|
54,725
|
Lancaster
|
|
53,264
|
Harrisburg
|
|
|
|
|
Population
|
1990
|
|
1,585,577
|
Philadelphia
|
|
369,962
|
Pittsburgh
|
|
108,749
|
Erie
|
|
105,719
|
Allentown
|
|
81,879
|
Scranton
|
|
77,843
|
Reading
|
|
71,428
|
Bethlehem
|
|
55,750
|
Lancaster
|
|
52,406
|
Altoona
|
|
51,995
|
Harrisburg
|
|
|
|
|
Population
|
2000
|
|
1,517,562
|
Philadelphia
|
|
334,325
|
Pittsburgh
|
|
106,661
|
Allentown
|
|
103,748
|
Erie
|
|
81,082
|
Reading
|
|
76,816
|
Scranton
|
|
71,329
|
Bethlehem
|
|
56,356
|
Lancaster
|
|
50,244
|
Altoona
|
|
48,833
|
Harrisburg
|
|
|
|
|
Population
|
2010
|
|
1,525,999
|
Philadelphia
|
|
305,306
|
Pittsburgh
|
|
118,018
|
Allentown
|
|
101,735
|
Erie
|
|
87,996
|
Reading
|
|
76,077
|
Scranton
|
|
74,982
|
Bethlehem
|
|
59,262
|
Lancaster
|
|
49,528
|
Harrisburg
|
|
45,967
|
Altoona
|
|
|
|
|
Population
|
2020
|
|
1,603,794
|
Philadelphia
|
|
302,958
|
Pittsburgh
|
|
125,855
|
Allentown
|
|
95,100
|
Reading
|
|
95,017
|
Erie
|
|
76,340
|
Scranton
|
|
75,795
|
Bethlehem
|
|
58,051
|
Lancaster
|
|
50,080
|
Harrisburg
|
|
44,793
|
York
|
|
