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Pennsylvania 2012 Presidential Election Results by County

Compiled by EveryElectionResult.com's data team · Last updated 2026-09-02

In 2012, the Republican candidate won 54 of Pennsylvania's 67 counties.

County Winner Party Votes Vote Share Margin Total Votes Cast
Adams Mitt Romney Republican 26,767 63.0% 27.5 pts 42,457
Allegheny Barack Obama Democratic 352,687 56.7% 14.6 pts 622,081
Armstrong Mitt Romney Republican 20,142 68.0% 37.5 pts 29,602
Beaver Mitt Romney Republican 42,344 52.6% 6.6 pts 80,474
Bedford Mitt Romney Republican 16,702 77.0% 54.9 pts 21,697
Berks Mitt Romney Republican 84,702 49.7% 1.0 pts 170,320
Blair Mitt Romney Republican 33,319 66.3% 33.9 pts 50,241
Bradford Mitt Romney Republican 14,410 61.5% 24.7 pts 23,426
Bucks Barack Obama Democratic 160,521 50.0% 1.2 pts 321,016
Butler Mitt Romney Republican 59,761 66.8% 34.9 pts 89,445
Cambria Mitt Romney Republican 35,163 58.1% 18.0 pts 60,526
Cameron Mitt Romney Republican 1,359 64.4% 30.1 pts 2,111
Carbon Mitt Romney Republican 13,504 52.8% 7.5 pts 25,581
Centre Barack Obama Democratic 34,176 49.1% 0.3 pts 69,626
Chester Mitt Romney Republican 124,840 49.5% 0.2 pts 251,973
Clarion Mitt Romney Republican 10,828 66.9% 35.7 pts 16,186
Clearfield Mitt Romney Republican 20,347 63.7% 28.9 pts 31,967
Clinton Mitt Romney Republican 7,303 55.1% 11.8 pts 13,265
Columbia Mitt Romney Republican 14,236 55.6% 12.9 pts 25,623
Crawford Mitt Romney Republican 20,901 59.1% 19.8 pts 35,388
Cumberland Mitt Romney Republican 64,809 58.5% 18.4 pts 110,814
Dauphin Barack Obama Democratic 64,965 52.4% 6.1 pts 124,008
Delaware Barack Obama Democratic 171,792 60.2% 21.3 pts 285,564
Elk Mitt Romney Republican 7,579 57.3% 16.0 pts 13,238
Erie Barack Obama Democratic 68,036 57.4% 16.0 pts 118,619
Fayette Mitt Romney Republican 26,018 53.6% 8.3 pts 48,505
Forest Mitt Romney Republican 1,383 59.8% 21.1 pts 2,312
Franklin Mitt Romney Republican 43,260 68.6% 38.5 pts 63,078
Fulton Mitt Romney Republican 4,814 77.7% 56.6 pts 6,195
Greene Mitt Romney Republican 8,428 58.3% 17.8 pts 14,464
Huntingdon Mitt Romney Republican 11,979 67.9% 37.2 pts 17,639
Indiana Mitt Romney Republican 21,257 58.5% 18.7 pts 36,321
Jefferson Mitt Romney Republican 13,048 72.1% 45.6 pts 18,097
Juniata Mitt Romney Republican 6,862 72.0% 45.3 pts 9,535
Lackawanna Barack Obama Democratic 61,838 63.1% 27.3 pts 98,015
Lancaster Mitt Romney Republican 130,669 58.7% 19.0 pts 222,436
Lawrence Mitt Romney Republican 21,047 53.9% 9.1 pts 39,036
Lebanon Mitt Romney Republican 35,872 63.4% 28.2 pts 56,580
Lehigh Barack Obama Democratic 78,283 53.3% 7.8 pts 147,002
Luzerne Barack Obama Democratic 64,307 51.7% 4.8 pts 124,439
Lycoming Mitt Romney Republican 30,658 65.9% 33.2 pts 46,493
McKean Mitt Romney Republican 9,545 63.2% 28.1 pts 15,108
Mercer Mitt Romney Republican 25,925 51.0% 3.3 pts 50,863
Mifflin Mitt Romney Republican 11,939 72.9% 46.8 pts 16,371
Monroe Barack Obama Democratic 35,221 56.0% 13.3 pts 62,917
Montgomery Barack Obama Democratic 233,356 56.6% 14.3 pts 412,200
Montour Mitt Romney Republican 4,652 59.4% 20.4 pts 7,831
Northampton Barack Obama Democratic 67,606 51.7% 4.7 pts 130,735
Northumberland Mitt Romney Republican 19,518 58.8% 19.4 pts 33,212
Perry Mitt Romney Republican 13,120 68.6% 38.9 pts 19,128
Philadelphia Barack Obama Democratic 588,806 85.3% 71.3 pts 690,327
Pike Mitt Romney Republican 12,786 54.9% 11.1 pts 23,279
Potter Mitt Romney Republican 5,231 72.2% 46.0 pts 7,242
Schuylkill Mitt Romney Republican 32,278 55.9% 13.4 pts 57,727
Snyder Mitt Romney Republican 10,073 67.1% 35.9 pts 15,002
Somerset Mitt Romney Republican 23,984 70.7% 42.9 pts 33,942
Sullivan Mitt Romney Republican 1,868 63.3% 28.3 pts 2,949
Susquehanna Mitt Romney Republican 10,800 59.9% 21.4 pts 18,044
Tioga Mitt Romney Republican 11,342 66.7% 35.2 pts 17,004
Union Mitt Romney Republican 9,896 60.8% 23.3 pts 16,268
Venango Mitt Romney Republican 13,815 62.3% 26.5 pts 22,167
Warren Mitt Romney Republican 10,010 57.9% 17.4 pts 17,299
Washington Mitt Romney Republican 53,230 56.2% 13.6 pts 94,750
Wayne Mitt Romney Republican 12,896 59.7% 20.8 pts 21,607
Westmoreland Mitt Romney Republican 103,932 61.3% 23.7 pts 169,572
Wyoming Mitt Romney Republican 6,587 55.5% 12.9 pts 11,872
York Mitt Romney Republican 113,304 59.9% 21.2 pts 189,229

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Frequently Asked Questions

Which party won the most counties in Pennsylvania in 2012?

The Republican candidate won 54 of Pennsylvania's 67 counties in 2012, with 13 counties going to the other major party.

Which Pennsylvania county had the closest presidential result in 2012?

Chester had the closest margin in Pennsylvania in 2012, with Mitt Romney (Republican) winning by 0.2 points out of 251,973 total votes cast.

Which Pennsylvania county had the widest presidential margin in 2012?

Philadelphia had the widest margin in Pennsylvania in 2012, with Barack Obama (Democratic) winning by 71.3 points.

How many counties are included in Pennsylvania's 2012 presidential results?

This page covers 67 counties in Pennsylvania for the 2012 presidential election, based on MEDSL/EveryElectionResult.com county-level returns.