1850

 

RANKCOUNTYTOTAL POPULATION RANKCOUNTYTOTAL POPULATION
1Philadelphia County408,762 31Adams County25,981
2Allegheny County138,290 2Allegheny County138,290
3Lancaster County98,944 24Armstrong County29,560
4Berks County77,129 27Beaver County26,689
5Chester County66,438 39Bedford County23,052
6Schuylkill County60,713 4Berks County77,129
7Montgomery County58,291 42Blair County21,777
8York County57,450 13Bradford County42,831
9Bucks County56,091 9Bucks County56,091
10Luzerne County56,072 23Butler County30,346
11Westmoreland County51,726 46Cambria County17,773
12Washington County44,939 48Carbon County15,686
13Bradford County42,831 37Centre County23,355
14Northampton County40,235 5Chester County66,438
15Franklin County39,904 36Clarion County23,565
16Fayette County39,112 55Clearfield County12,586
17Erie County38,742 56Clinton County11,207
18Crawford County37,849 47Columbia County17,710
19Dauphin County35,754 18Crawford County37,849
20Cumberland County34,327 20Cumberland County34,327
21Mercer County33,172 19Dauphin County35,754
22Lehigh County32,479 33Delaware County24,679
23Butler County30,346 63Elk County3,531
24Armstrong County29,560 17Erie County38,742
25Susquehanna County28,688 16Fayette County39,112
26Indiana County27,170 15Franklin County39,904
27Beaver County26,689 58Fulton County7,567
28Lycoming County26,257 40Greene County22,136
29Union County26,083 32Huntingdon County24,786
30Lebanon County26,071 26Indiana County27,170
31Adams County25,981 51Jefferson County13,518
32Huntingdon County24,786 54Juniata County13,029
33Delaware County24,679 3Lancaster County98,944
34Somerset County24,416 43Lawrence County21,079
35Tioga County23,987 30Lebanon County26,071
36Clarion County23,565 22Lehigh County32,479
37Centre County23,355 10Luzerne County56,072
38Northumberland County23,272 28Lycoming County26,257
39Bedford County23,052 61McKean County5,254
40Greene County22,136 21Mercer County33,172
41Wayne County21,890 49Mifflin County14,980
42Blair County21,777 52Monroe County13,270
43Lawrence County21,079 7Montgomery County58,291
44Perry County20,088 53Montour County13,239
45Venango County18,310 14Northampton County40,235
46Cambria County17,773 38Northumberland County23,272
47Columbia County17,710 44Perry County20,088
48Carbon County15,686 1Philadelphia County408,762
49Mifflin County14,980 60Pike County5,881
50Warren County