Historically Since 1950
Counties  % R Wins Counties  % R Wins
Consist. Democrat Greene 15% Consist. D. Phileldelphia 0%
Mod Democrat Fayette 20% Fayette 8%
Washington 20% Greene 8%
Westmoreland 25% Washington 8%
Phileldelphia 30% Beaver 15%
Allegheny 35% Lackawanna 15%
Lackawanna 35% Westmoreland 15%
Beaver 40% Mod. D. Allegheny 23%
Cambria 40% Cambria 23%
Northhampton 40% Elk 31%
Swing Elk 45% Lawrence 31%
Berks 50% Luzerne 31%
Carbon 50% Carbon 38%
Lawrence 50% Northhampton 38%
Columbia 55% Swing Armstrong 46%
Fulton 55% Clearfield 46%
Luzerne 55% Berks 54%
York 55% Clinton 54%
Mod Republican Clearfield 60% Columbia 54%
Northhumberland 60% Fulton 54%
Armstrong 65% Mercer 54%
Clinton 65% Northhumberland 54%
Lehigh 65% York 54%
Mercer 65% Mod. R. Schuylkill 62%
Schuylkill 65% Erie 69%
Erie 70% Lehigh 69%
Monroe 70% Somerset 69%
Montour 70% Bucks 77%
Clarion 75% Butler 77%
Juniata 75% Clarion 77%
Lycoming 75% Dauphin 77%
Mifflin 75% Indiana  77%
Adams 80% Juniata 77%
Bedford 80% Lycoming 77%
Butler 80% Mifflin 77%
Centre 80% Monroe 77%
Somerset 80% Montour 77%
Consist. Republican Blair 85% Consist. R. Adams 85%
Bucks 85% Bedford 85%
Crawford 85% Blair 85%
Cumberland 85% Cameron 85%
Dauphin 85% Centre 85%
Franklin 85% Crawford 85%
Indiana  85% Jefferson 85%
Jefferson 85% Sullivan 85%
Pike 85% Venango 85%
Sullivan 85% Bradford 92%
Cameron 90% Chester 92%
Huntingdon 90% Cumberland 92%
Perry 90% Delaware 92%
Potter 90% Forest 92%
Snyder 90% Franklin 92%
Union 90% Huntingdon 92%
Venango 90% Lancaster 92%
Wyoming 90% Lebanon 92%
Bradford 95% McKean 92%
Chester 95% Montgomery 92%
Delaware 95% Perry 92%
Forest 95% Pike 92%
Lancaster 95% Potter 92%
Lebanon 95% Snyder 92%
McKean 95% Susquehanna 92%
Montgomery 95% Tioga 92%
Susquehanna 95% Union 92%
Tioga 95% Warren 92%
Warren 95% Wayne 92%
Wayne 95% Wyoming 92%