1850 Counties of  Pennsylvania

County Description Area in sq miles Courts held at Pop in 1850
Adams southern part 360 Gettysburgh 25,981
Alleghany south west part, water by Alleghany, Youghiogheny, Monongabia & Ohio rivers 575 Pittsburgh 138,300
Armstrong western part, water by Alleghany river 700 Kittaning 29,560
Beaver in western side, crossed by Ohio & Beaver rivers 600 Beaver 26,689
Bedford on southern boundary, drained by Juniata & Potomac rivers 1600 Bedford 23,052
Berks in Southeastern side 1020 Reading 77,129
Blair central part, crossed by Frankstown branch of Juniata River 700 Hollidaysburgh 21,777
Bucks easterly boundary, on west side of Delaware river 600 Doylestown 56,091
Butler western part 840 Butler 30,346
Cambria central part, drained by Connemaugh river 720 Ebensburgh 17,773
Carbon eastern part, crossed by Lehigh river blank Mauch Chunk 15,686
Centre central part, west branch Susquehanna river on NW 1560 Bellefonte 23,355
Chester southeast corner, Schuylkill river on NE 729 Westchester 66,438
Clearfield western part, crossed by west branch of Susquehanna river 1425 Clearfield 12,586
Clinton northern part, crossed by west branch of Susquehanna river 840 Lock Haven 11,207
Columbia central part, crossed by east branch Susquehanna river 700 Danville 17,710
Crawford west boundary 1016 Mendville 37,849
Cumberland southern part, Susquehanna river on northeast 544 Carlisle 34,327
Dauphin southeast part, Susquehanna river on the west 608 Harrisburgh (also State Capital) 35,754
Delaware southeast part, Delaware river on southeast 220 Chester 24,679
Elk northwestern part blank Ridgeway 3,498
Erie northwestern corner, south of Lake Erie 720 Erie 38,742
Fayette south western part, Monongahela river on west side 824 Union 39,312
Franklin southern boundary 734 Chambersburgh 39,904
Greene southwest corner,  Monongahcla river on east side 576 Waynesburgh 22.136
Indiana western part, Kiskiminitas river on southwest 770 Indiana 27,070
Huntingdon southern part, crossed by Juniata river 1276 Huntingdon 24,786
Jefferson western part 1200 Brookville 13,518
Juniata southern part, crossed by Juniata river 360 Mifflintown 13,029
Lancaster south boundary, Susquehanna river on southwest 928 Lancaster 98,944
Lawrence western boundary blank New Castle 21,079
Lebanon southeast part 348 Lebanon 26,071
Lehigh east part, Lehigh river on northeast 389 Allentown 32,479
Luzerne toward northern part, crossed by Susquehanna river 1350 Wilkesbarre 56,072
Lycoming toward northern part, crossed by west branch of Susquehanna river 1600 Williamsport 26,257
McKean northern boundary 1470 Smithport 5,254
Mercer western boundary 850 Mercer 33,172
Mifflin central part, crossed by Juniata river 900 Lewiston 14,980
Monroe eastern boundary, Delaware river on southeast 750 Stroudsburgh 13,270
Montgomery southeast part, Schuylkill river on southwest 425 Norristown 58,291
Montour eastern part blank Danville 13,239
Northampton eastern boundary, Delaware river on east, crossed by Lehigh river 600 Easton 40,235
Northumberland toward east part, with Susquehanna river on west, crossed by its east branch 440 Sunbury 23,272
Perry central part, Susquehanna river on east, crossed by Juniata river 540 New Bloomfield 20,088
Philadelphia southeast part, Delaware river on southeast, crossed by Schuylkill river 120 Philadelphia 408,762
Pike eastern boundary, Delaware river on southeast & northeast 729 Milford 5,881
Potter north boundary 1110 Coudersport 6,048
Schuylkill eastern part, crossed by Schuylkill river 660 Orwigsburgh 60,713
Somerset on southern boundary 1000 Somerset 24,416
Sullivan in northeastern part blank Laporte 3,694
Susquehanna on north boundary, crossed by northeast by Susquehanna river 825 Montrose 28,688
Tioga on north boundary 1200 Wellsborough 23,987
Union central part, Susquehanna river on east 520 New Berlin 26,083
Venango northwestern part, crossed by Alleghany river 1120 Franklin 18,310
Warren on north boundary, crossed by Alleghany river 832 Warren 13,671
Washington on western boundary, Monongahela river on east 1000 Washington 44,939
Wayne on northeastern boundary, Delaware river on northeast 648 Honesdale 21,890
Westmoreland southwest part, Kiskiminitas river on northeast, Alleghany river on northwest, crossed by Youghiogheny river 1050 Greensburgh 51,726
Wyoming in northern part, crossed by Susquehanna river 480 Tunkhannock 10,655
York on south boundary, Susquehanna river on northeast 864 York 57,450

Back