Pennsylvania 2012 Presidential Election Results by County
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 |