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Pennsylvania 2000 vs 2012: county swing

41 of 67 counties moved toward the Republican ticket; 11 changed hands.

Blair County: swing R+5.9Bradford County: swing D+4.2Cambria County: swing R+21.9Clarion County: swing R+9.3Elk County: swing R+4.3Indiana County: swing R+8.7Lackawanna County: swing D+4.1Mifflin County: swing R+15.6Montour County: swing D+4.3Potter County: swing R+6.2Sullivan County: swing R+0.4Warren County: swing R+7.5Armstrong County: swing R+21.4Allegheny County: swing R+1.6Beaver County: swing R+15.4Bucks County: swing R+3.0Cameron County: swing R+3.2Centre County: swing D+9.9Chester County: swing D+9.5Clearfield County: swing R+8.3Crawford County: swing R+3.1Delaware County: swing D+9.7Erie County: swing D+6.8Fayette County: swing R+24.7Franklin County: swing R+1.5Huntingdon County: swing R+3.8Juniata County: swing R+9.0Lawrence County: swing R+15.4Luzerne County: swing R+3.4Mercer County: swing R+4.8Monroe County: swing D+16.1Northampton County: swing R+0.7Philadelphia County: swing D+9.3Snyder County: swing D+6.4Somerset County: swing R+18.1Susquehanna County: swing D+0.2Union County: swing D+9.6Venango County: swing R+9.7Washington County: swing R+22.6York County: swing D+3.6Berks County: swing D+7.9Butler County: swing R+8.2Carbon County: swing R+11.9Columbia County: swing D+1.3Forest County: swing D+2.2Fulton County: swing R+12.6Lebanon County: swing R+1.1Lycoming County: swing R+4.4Perry County: swing D+3.0Tioga County: swing R+1.3Wyoming County: swing D+9.0Bedford County: swing R+13.1Clinton County: swing R+7.3Cumberland County: swing D+8.4Dauphin County: swing D+15.3Greene County: swing R+27.6Jefferson County: swing R+12.0Lancaster County: swing D+15.8Lehigh County: swing D+6.8McKean County: swing R+1.9Schuylkill County: swing R+7.2Wayne County: swing D+1.9Westmoreland County: swing R+17.9Montgomery County: swing D+4.6Northumberland County: swing R+5.9Pike County: swing D+0.6Adams County: swing Even
Red: toward the Republican ticket. Blue: toward the Democratic ticket.
County20002012SwingVotes 2000Votes 2012
Greene County flipped D+9.8 R+17.8 R+27.6 13,634 14,464
Fayette County flipped D+16.4 R+8.3 R+24.7 49,532 48,505
Washington County flipped D+9.0 R+13.6 R+22.6 84,441 94,750
Cambria County flipped D+3.9 R+18.0 R+21.9 60,286 60,526
Armstrong County R+16.0 R+37.4 R+21.4 27,423 29,602
Somerset County R+24.8 R+42.9 R+18.1 32,985 33,942
Westmoreland County R+5.8 R+23.7 R+17.9 156,709 169,572
Mifflin County R+31.2 R+46.8 R+15.6 14,614 16,371
Beaver County flipped D+8.8 R+6.6 R+15.4 73,593 80,474
Lawrence County flipped D+6.4 R+9.0 R+15.4 39,640 39,036
Bedford County R+41.8 R+54.9 R+13.1 19,435 21,697
Fulton County R+44.0 R+56.6 R+12.6 5,285 6,195
Jefferson County R+33.6 R+45.6 R+12.0 17,574 18,097
Carbon County flipped D+4.4 R+7.5 R+11.9 21,277 25,581
Venango County R+16.8 R+26.5 R+9.7 20,523 22,167
Clarion County R+26.4 R+35.7 R+9.3 15,843 16,186
Juniata County R+36.3 R+45.3 R+9.0 8,667 9,535
Indiana County R+10.0 R+18.7 R+8.7 31,401 36,321
Clearfield County R+20.6 R+28.9 R+8.3 30,609 31,967
Butler County R+26.7 R+34.9 R+8.2 70,824 89,445
Warren County R+10.0 R+17.5 R+7.5 17,541 17,299
Clinton County R+4.6 R+11.9 R+7.3 11,994 13,265
Schuylkill County R+6.2 R+13.4 R+7.2 58,300 57,727
Potter County R+39.8 R+46.0 R+6.2 7,090 7,242
Blair County R+28.0 R+33.9 R+5.9 45,140 50,241
Northumberland County R+13.5 R+19.4 R+5.9 33,251 33,212
Mercer County flipped D+1.4 R+3.4 R+4.8 48,725 50,863
Lycoming County R+28.8 R+33.2 R+4.4 43,183 46,493
Elk County R+11.7 R+16.0 R+4.3 13,578 13,238
Huntingdon County R+33.4 R+37.2 R+3.8 15,957 17,639
Luzerne County D+8.2 D+4.8 R+3.4 119,586 124,439
Cameron County R+26.9 R+30.1 R+3.2 2,246 2,111
Crawford County R+16.8 R+19.9 R+3.1 33,321 35,388
Bucks County D+4.2 D+1.2 R+3.0 263,422 321,016
McKean County R+26.2 R+28.1 R+1.9 15,804 15,108
Allegheny County D+16.2 D+14.6 R+1.6 582,478 622,081
Franklin County R+37.0 R+38.5 R+1.5 48,969 63,078
Tioga County R+33.9 R+35.2 R+1.3 14,772 17,004
Lebanon County R+27.1 R+28.2 R+1.1 45,880 56,580
Northampton County D+5.4 D+4.7 R+0.7 104,690 130,735
Sullivan County R+27.8 R+28.2 R+0.4 3,105 2,949
Adams County R+27.5 R+27.5 Even 33,433 42,457
Susquehanna County R+21.7 R+21.5 D+0.2 17,271 18,044
Pike County R+11.6 R+11.0 D+0.6 17,364 23,279
Columbia County R+14.2 R+12.9 D+1.3 21,894 25,623
Wayne County R+22.7 R+20.8 D+1.9 18,914 21,607
Forest County R+23.2 R+21.0 D+2.2 2,283 2,312
Perry County R+41.9 R+38.9 D+3.0 16,071 19,128
York County R+24.8 R+21.2 D+3.6 144,244 189,229
Lackawanna County D+23.2 D+27.3 D+4.1 96,381 98,015
Bradford County R+28.9 R+24.7 D+4.2 23,330 23,426
Montour County R+24.7 R+20.4 D+4.3 6,492 7,831
Montgomery County D+9.7 D+14.3 D+4.6 332,422 412,200
Snyder County R+42.3 R+35.9 D+6.4 12,841 15,002
Erie County D+9.3 D+16.1 D+6.8 112,335 118,619
Lehigh County D+1.0 D+7.8 D+6.8 116,280 147,002
Berks County R+8.9 R+1.0 D+7.9 135,163 170,320
Cumberland County R+26.9 R+18.5 D+8.4 88,062 110,814
Wyoming County R+21.9 R+12.9 D+9.0 11,693 11,872
Philadelphia County D+62.0 D+71.3 D+9.3 561,180 690,327
Chester County R+9.7 R+0.2 D+9.5 187,562 251,973
Union County R+32.8 R+23.2 D+9.6 13,175 16,268
Delaware County D+11.7 D+21.4 D+9.7 248,077 285,564
Centre County flipped R+9.6 D+0.3 D+9.9 49,538 69,626
Dauphin County flipped R+9.2 D+6.1 D+15.3 100,658 124,008
Lancaster County R+34.7 R+18.9 D+15.8 175,317 222,436
Monroe County flipped R+2.8 D+13.3 D+16.1 46,878 62,917

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data