1880

 

RANKCOUNTYTOTAL POPULATION RANKCOUNTYTOTAL POPULATION
1Philadelphia County847,170 46Adams County32,455
2Allegheny County355,869 2Allegheny County355,869
3Lancaster County139,447 28Armstrong County47,641
4Luzerne County133,065 38Beaver County39,605
5Schuylkill County129,974 41Bedford County34,929
6Berks County122,597 6Berks County122,597
7Montgomery County96,494 25Blair County52,740
8Lackawanna County89,269 19Bradford County58,541
9York County87,841 15Bucks County68,656
10Chester County83,481 26Butler County52,536
11Westmoreland County78,036 29Cambria County46,811
12Dauphin County76,148 66Cameron County5,159
13Erie County74,688 48Carbon County31,923
14Northampton County70,312 40Centre County37,922
15Bucks County68,656 10Chester County83,481
16Crawford County68,607 37Clarion County40,328
17Lehigh County65,969 33Clearfield County43,408
18Fayette County58,842 53Clinton County26,278
19Bradford County58,541 47Columbia County32,409
20Lycoming County57,486 16Crawford County68,607
21Mercer County56,161 30Cumberland County45,977
22Delaware County56,101 12Dauphin County76,148
23Washington County55,418 22Delaware County56,101
24Northumberland County53,123 62Elk County12,800
25Blair County52,740 13Erie County74,688
26Butler County52,536 18Fayette County58,842
27Franklin County49,855 67Forest County4,385
28Armstrong County47,641 27Franklin County49,855
29Cambria County46,811 63Fulton County10,149
30Cumberland County45,977 49Greene County28,273
31Tioga County45,814 42Huntingdon County33,954
32Venango County43,670 35Indiana County40,527
33Clearfield County43,408 51Jefferson County27,935
34McKean County42,565 56Juniata County18,227
35Indiana County40,527 8Lackawanna County89,269
36Susquehanna County40,354 3Lancaster County139,447
37Clarion County40,328 44Lawrence County33,312
38Beaver County39,605 39Lebanon County38,476
39Lebanon County38,476 17Lehigh County65,969
40Centre County37,922 4Luzerne County133,065
41Bedford County34,929 20Lycoming County57,486
42Huntingdon County33,954 34McKean County42,565
43Wayne County33,513 21Mercer County56,161
44Lawrence County33,312 55Mifflin County19,577
45Somerset County33,110 54Monroe County20,175
46Adams County32,455 7Montgomery County96,494
47Columbia County32,409 60Montour County15,468
48Carbon County31,923 14Northampton County70,312
49Greene County28,273 24Northumberland County53,123
50Warren County