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United States · Election results history · 2010 governors · Pennsylvania
Election 2010 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.

2010 Pennsylvania governor election

Tom Corbett (Republican) beat Dan Onorato (Democrat) in Pennsylvania in 2010, 54.5% to 45.5%, a margin of 9.0 points and 357,975 votes.

Pennsylvania changed party: in 2006 it went Democratic, for Edward G. Rendell.

Republicans led in 63 of the 67 counties and Democrats in 4. The largest, Allegheny, cast 427,318 votes and went to the Republican by 0.1 points. The closest was Erie, where 171 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.

Governor

CandidatePartyVotesShare
Tom Corbett won Republican 2,172,763 54.5%
Dan Onorato Democratic 1,814,788 45.5%
Total3,987,551

Every county

CountyDemocratRepublicanOthersTotalMargin
Allegheny 213,429 49.9% 213,889 50.1% 427,318 R+0.1
Philadelphia 350,431 82.9% 72,352 17.1% 422,783 D+65.8
Montgomery 149,080 51.7% 139,244 48.3% 288,324 D+3.4
Bucks 102,144 44.7% 126,190 55.3% 228,334 R+10.5
Delaware 106,704 52.8% 95,448 47.2% 202,152 D+5.6
Chester 76,440 44.0% 97,112 56.0% 173,552 R+11.9
Lancaster 43,268 28.9% 106,430 71.1% 149,698 R+42.2
York 38,034 29.1% 92,483 70.9% 130,517 R+41.7
Westmoreland 40,440 32.3% 84,762 67.7% 125,202 R+35.4
Berks 45,746 40.7% 66,758 59.3% 112,504 R+18.7
Lehigh 43,261 45.0% 52,769 55.0% 96,030 R+9.9
Luzerne 43,392 46.6% 49,734 53.4% 93,126 R+6.8
Dauphin 34,813 39.5% 53,261 60.5% 88,074 R+20.9
Erie 42,581 49.9% 42,752 50.1% 85,333 R+0.2
Northampton 38,871 45.8% 45,986 54.2% 84,857 R+8.4
Cumberland 24,531 30.4% 56,284 69.6% 80,815 R+39.3
Washington 28,211 40.2% 41,984 59.8% 70,195 R+19.6
Lackawanna 38,300 55.0% 31,342 45.0% 69,642 D+10.0
Butler 18,404 28.1% 47,151 71.9% 65,555 R+43.9
Beaver 25,163 43.5% 32,670 56.5% 57,833 R+13.0
Cambria 20,102 42.3% 27,444 57.7% 47,546 R+15.4
Schuylkill 16,535 36.6% 28,659 63.4% 45,194 R+26.8
Centre 20,407 45.5% 24,458 54.5% 44,865 R+9.0
Franklin 10,295 23.5% 33,559 76.5% 43,854 R+53.0
Lebanon 10,340 25.9% 29,534 74.1% 39,874 R+48.1
Monroe 18,082 46.1% 21,162 53.9% 39,244 R+7.8
Mercer 15,047 41.6% 21,146 58.4% 36,193 R+16.9
Blair 9,750 27.1% 26,199 72.9% 35,949 R+45.8
Lycoming 9,278 26.9% 25,154 73.1% 34,432 R+46.1
Fayette 15,106 44.3% 18,994 55.7% 34,100 R+11.4
Adams 8,474 27.2% 22,696 72.8% 31,170 R+45.6
Lawrence 11,499 41.1% 16,489 58.9% 27,988 R+17.8
Crawford 8,891 33.2% 17,883 66.8% 26,774 R+33.6
Northumberland 8,393 32.1% 17,781 67.9% 26,174 R+35.9
Somerset 7,294 28.2% 18,542 71.8% 25,836 R+43.5
Indiana 8,842 34.9% 16,520 65.1% 25,362 R+30.3
Clearfield 9,007 36.5% 15,685 63.5% 24,692 R+27.0
Armstrong 6,595 29.1% 16,096 70.9% 22,691 R+41.9
Carbon 7,834 40.9% 11,297 59.1% 19,131 R+18.1
Columbia 6,136 33.6% 12,151 66.4% 18,287 R+32.9
Bradford 4,741 27.5% 12,474 72.5% 17,215 R+44.9
Bedford 3,639 22.0% 12,873 78.0% 16,512 R+55.9
Venango 4,955 31.2% 10,937 68.8% 15,892 R+37.6
Wayne 5,087 32.1% 10,747 67.9% 15,834 R+35.7
Pike 5,472 35.6% 9,894 64.4% 15,366 R+28.8
Perry 3,019 20.7% 11,568 79.3% 14,587 R+58.6
Susquehanna 4,394 31.4% 9,612 68.6% 14,006 R+37.3
Jefferson 3,420 25.5% 10,017 74.5% 13,437 R+49.1
Huntingdon 3,629 27.1% 9,764 72.9% 13,393 R+45.8
Clarion 3,566 28.8% 8,827 71.2% 12,393 R+42.5
Mifflin 2,587 21.2% 9,642 78.8% 12,229 R+57.7
Warren 3,996 32.8% 8,194 67.2% 12,190 R+34.4
Tioga 2,933 24.4% 9,069 75.6% 12,002 R+51.1
Union 3,668 31.1% 8,121 68.9% 11,789 R+37.8
Snyder 2,712 24.0% 8,591 76.0% 11,303 R+52.0
Greene 5,153 46.2% 6,000 53.8% 11,153 R+7.6
Elk 3,935 38.2% 6,374 61.8% 10,309 R+23.7
McKean 2,763 28.0% 7,117 72.0% 9,880 R+44.1
Clinton 3,625 39.0% 5,676 61.0% 9,301 R+22.1
Wyoming 3,017 33.8% 5,901 66.2% 8,918 R+32.3
Juniata 1,534 20.8% 5,834 79.2% 7,368 R+58.4
Montour 1,815 31.8% 3,896 68.2% 5,711 R+36.4
Potter 1,257 23.7% 4,053 76.3% 5,310 R+52.7
Fulton 945 21.2% 3,521 78.8% 4,466 R+57.7
Sullivan 682 29.2% 1,654 70.8% 2,336 R+41.6
Forest 633 33.5% 1,257 66.5% 1,890 R+33.0
Cameron 461 29.5% 1,100 70.5% 1,561 R+40.9

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

Pennsylvania governor elections we hold

YearWinnerMargin
2022 Josh Shapiro (D) D+14.8
2018 Thomas W Wolf (D) D+17.1
2014 Thomas W. Wolf (D) D+9.9
2010 Tom Corbett (R) R+9.0
2006 Edward G. Rendell (D) D+20.7
2002 Edward G. Rendell (D) D+9.0
1998 Tom Ridge (R) R+26.4
1994 Tom Ridge (R) R+5.5
1990 Robert Casey (D) D+35.3
1986 Robert Casey (D) D+2.3
1982 Richard Thornburgh (R) R+2.7
1978 Richard Thornburgh (R) R+6.1
1974 Milton J. Shapp (D) D+8.6
1970 Milton J. Shapp (D) D+13.5
1966 Raymond P. Shafer (R) R+6.0
1962 William W. Scranton (R) R+11.1
1958 David L. Lawrence (D) D+1.9
1954 George M. Leader (D) D+7.5
1950 John S. Fine (R) R+2.4
1946 James H. Duff (R) R+17.8
1942 Edward Martin (R) R+8.5
1938 Arthur H. James (R) R+7.6
1934 George H. Earle (D) D+2.2
1930 Gifford Pinchot (R) R+2.8
1926 John Stuchell Fisher (R) R+49.0
1922 Gifford Pinchot (R) R+17.1
1918 William Cameron Sproul (R) R+27.3
1914 Martin Grove Brumbaugh (R) R+12.2
1910 John K. Tener (R) R+28.7
1906 Edwin Sydney Stuart (R) R+4.8
1902 Samuel W. Pennypacker (R) R+13.0
1898 William A. Stone (R) R+12.1
1894 Daniel H. Hastings (R) R+25.3
1890 Robert E. Pattison (D) D+1.8
1886 James A. Beaver (R) R+5.2
1882 Robert E. Pattison (D) D+5.4
1878 Henry Martyn Hoyt (R) R+3.2
1875 John Frederick Hartranft (R) R+2.0
1872 John Frederick Hartranft (R) R+5.3
1869 John White Geary (R) R+0.8
1866 John White Geary (R) R+2.9