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United States · Election results history · 2012 president · Pennsylvania
Election 2012 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2012 presidential election in Pennsylvania

Barack Obama (Democrat) beat Mitt Romney (Republican) in Pennsylvania in 2012, 52.0% to 46.6%, a margin of 5.4 points and 309,840 votes.

Pennsylvania voted 1.5 points more Democratic than the country as a whole, where the margin was D+3.9.

The Democratic hold continued from 2008, when Barack Obama also won.

Republicans led in 54 of the 67 counties and Democrats in 13. The largest, Philadelphia, cast 690,327 votes and went to the Democrat by 71.3 points. The closest was Centre, where 175 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Result

CandidatePartyVotesShare
Barack Obama won Democratic 2,990,274 52.0%
Mitt Romney Republican 2,680,434 46.6%
All other candidates 82,962 1.4%
Total5,753,670

Every county

CountyDemocratRepublicanOthersTotalMargin
Philadelphia 588,806 85.3% 96,467 14.0% 5,054 690,327 D+71.3
Allegheny 352,687 56.7% 262,039 42.1% 7,355 622,081 D+14.6
Montgomery 233,356 56.6% 174,381 42.3% 4,463 412,200 D+14.3
Bucks 160,521 50.0% 156,579 48.8% 3,916 321,016 D+1.2
Delaware 171,792 60.2% 110,853 38.8% 2,919 285,564 D+21.3
Chester 124,311 49.3% 124,840 49.5% 2,822 251,973 R+0.2
Lancaster 88,481 39.8% 130,669 58.7% 3,286 222,436 R+19.0
York 73,191 38.7% 113,304 59.9% 2,734 189,229 R+21.2
Berks 83,011 48.7% 84,702 49.7% 2,607 170,320 R+1.0
Westmoreland 63,722 37.6% 103,932 61.3% 1,918 169,572 R+23.7
Lehigh 78,283 53.3% 66,874 45.5% 1,845 147,002 D+7.8
Northampton 67,606 51.7% 61,446 47.0% 1,683 130,735 D+4.7
Luzerne 64,307 51.7% 58,325 46.9% 1,807 124,439 D+4.8
Dauphin 64,965 52.4% 57,450 46.3% 1,593 124,008 D+6.1
Erie 68,036 57.4% 49,025 41.3% 1,558 118,619 D+16.0
Cumberland 44,367 40.0% 64,809 58.5% 1,638 110,814 R+18.4
Lackawanna 61,838 63.1% 35,085 35.8% 1,092 98,015 D+27.3
Washington 40,345 42.6% 53,230 56.2% 1,175 94,750 R+13.6
Butler 28,550 31.9% 59,761 66.8% 1,134 89,445 R+34.9
Beaver 37,055 46.0% 42,344 52.6% 1,075 80,474 R+6.6
Centre 34,176 49.1% 34,001 48.8% 1,449 69,626 D+0.3
Franklin 18,995 30.1% 43,260 68.6% 823 63,078 R+38.5
Monroe 35,221 56.0% 26,867 42.7% 829 62,917 D+13.3
Cambria 24,249 40.1% 35,163 58.1% 1,114 60,526 R+18.0
Schuylkill 24,546 42.5% 32,278 55.9% 903 57,727 R+13.4
Lebanon 19,900 35.2% 35,872 63.4% 808 56,580 R+28.2
Mercer 24,232 47.6% 25,925 51.0% 706 50,863 R+3.3
Blair 16,276 32.4% 33,319 66.3% 646 50,241 R+33.9
Fayette 21,971 45.3% 26,018 53.6% 516 48,505 R+8.3
Lycoming 15,203 32.7% 30,658 65.9% 632 46,493 R+33.2
Adams 15,091 35.5% 26,767 63.0% 599 42,457 R+27.5
Lawrence 17,513 44.9% 21,047 53.9% 476 39,036 R+9.1
Indiana 14,473 39.8% 21,257 58.5% 591 36,321 R+18.7
Crawford 13,883 39.2% 20,901 59.1% 604 35,388 R+19.8
Somerset 9,436 27.8% 23,984 70.7% 522 33,942 R+42.9
Northumberland 13,072 39.4% 19,518 58.8% 622 33,212 R+19.4
Clearfield 11,121 34.8% 20,347 63.7% 499 31,967 R+28.9
Armstrong 9,045 30.6% 20,142 68.0% 415 29,602 R+37.5
Columbia 10,937 42.7% 14,236 55.6% 450 25,623 R+12.9
Carbon 11,580 45.3% 13,504 52.8% 497 25,581 R+7.5
Bradford 8,624 36.8% 14,410 61.5% 392 23,426 R+24.7
Pike 10,210 43.9% 12,786 54.9% 283 23,279 R+11.1
Venango 7,945 35.8% 13,815 62.3% 407 22,167 R+26.5
Bedford 4,788 22.1% 16,702 77.0% 207 21,697 R+54.9
Wayne 8,396 38.9% 12,896 59.7% 315 21,607 R+20.8
Perry 5,685 29.7% 13,120 68.6% 323 19,128 R+38.9
Jefferson 4,787 26.5% 13,048 72.1% 262 18,097 R+45.6
Susquehanna 6,935 38.4% 10,800 59.9% 309 18,044 R+21.4
Huntingdon 5,409 30.7% 11,979 67.9% 251 17,639 R+37.2
Warren 6,995 40.4% 10,010 57.9% 294 17,299 R+17.4
Tioga 5,357 31.5% 11,342 66.7% 305 17,004 R+35.2
Mifflin 4,273 26.1% 11,939 72.9% 159 16,371 R+46.8
Union 6,109 37.6% 9,896 60.8% 263 16,268 R+23.3
Clarion 5,056 31.2% 10,828 66.9% 302 16,186 R+35.7
McKean 5,297 35.1% 9,545 63.2% 266 15,108 R+28.1
Snyder 4,687 31.2% 10,073 67.1% 242 15,002 R+35.9
Greene 5,852 40.5% 8,428 58.3% 184 14,464 R+17.8
Clinton 5,734 43.2% 7,303 55.1% 228 13,265 R+11.8
Elk 5,463 41.3% 7,579 57.3% 196 13,238 R+16.0
Wyoming 5,061 42.6% 6,587 55.5% 224 11,872 R+12.9
Juniata 2,547 26.7% 6,862 72.0% 126 9,535 R+45.3
Montour 3,053 39.0% 4,652 59.4% 126 7,831 R+20.4
Potter 1,897 26.2% 5,231 72.2% 114 7,242 R+46.0
Fulton 1,310 21.1% 4,814 77.7% 71 6,195 R+56.6
Sullivan 1,034 35.1% 1,868 63.3% 47 2,949 R+28.3
Forest 896 38.8% 1,383 59.8% 33 2,312 R+21.1
Cameron 724 34.3% 1,359 64.4% 28 2,111 R+30.1

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Pennsylvania in every presidential election we hold

YearWinnerMargin
2024 Donald Trump (R) R+1.7
2020 Joe Biden (D) D+1.2
2016 Donald Trump (R) R+0.7
2012 Barack Obama (D) D+5.4
2008 Barack Obama (D) D+10.3
2004 John Kerry (D) D+2.5
2000 Al Gore (D) D+4.2
1996 Bill Clinton (D) D+9.2
1992 Bill Clinton (D) D+9.0
1988 George H. W. Bush (R) R+2.3
1984 Ronald Reagan (R) R+7.4
1980 Ronald Reagan (R) R+7.1
1976 Jimmy Carter (D) D+2.7
1972 Richard Nixon (R) R+20.0
1968 Hubert Humphrey (D) D+3.6
1964 Lyndon B. Johnson (D) D+30.2
1960 John F. Kennedy (D) D+2.3
1956 Dwight D. Eisenhower (R) R+13.2
1952 Dwight D. Eisenhower (R) R+5.9
1948 Thomas E. Dewey (R) R+4.0
1944 Franklin D. Roosevelt (D) D+2.8
1940 Franklin D. Roosevelt (D) D+6.9
1936 Franklin D. Roosevelt (D) D+16.0
1932 Herbert Hoover (R) R+5.5
1928 Herbert Hoover (R) R+31.4
1924 Calvin Coolidge (R) R+46.3
1920 Warren G. Harding (R) R+38.6
1916 Charles Evans Hughes (R) R+14.0
1912 Theodore Roosevelt (other)
1908 William Howard Taft (R) R+23.4
1904 Theodore Roosevelt (R) R+40.9
1900 William McKinley (R) R+24.6
1896 William McKinley (R) R+24.7
1892 Benjamin Harrison (R) R+6.4
1888 Benjamin Harrison (R) R+8.0
1884 James G. Blaine (R) R+9.5
1880 James A. Garfield (R) R+4.3
1876 Rutherford B. Hayes (R) R+2.4
1872 Ulysses S. Grant (R) R+24.5
1868 Ulysses S. Grant (R) R+4.4