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United States · Election results history · 1980 Senate · Pennsylvania
Election 1980 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.

1980 US Senate election in Pennsylvania

Arlen Specter (Republican) beat Pete Flaherty (Democrat) in Pennsylvania in 1980, 50.5% to 48.0%, a margin of 2.4 points and 108,013 votes.

The Republican hold continued from 1974, when Richard Schweiker won.

Republicans led in 44 of the 67 counties as they stood then and Democrats in 23. The largest, Philadelphia, cast 675,127 votes and went to the Republican by 1.8 points. The closest was Forest, where 8 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.

Senate

CandidatePartyVotesShare
Arlen Specter won Republican 2,230,404 50.5%
Pete Flaherty Democratic 2,122,391 48.0%
All other candidates 65,247 1.5%
Total4,418,042

Every county

CountyDemocratRepublicanOthersTotalMargin
Philadelphia 325,593 48.2% 337,516 50.0% 12,018 675,127 R+1.8
Allegheny 371,710 61.5% 220,216 36.5% 12,182 604,108 D+25.1
Montgomery 83,131 31.3% 178,632 67.3% 3,488 265,251 R+36.0
Delaware 90,400 36.5% 154,255 62.2% 3,150 247,805 R+25.8
Bucks 64,062 36.2% 110,260 62.3% 2,598 176,920 R+26.1
Westmoreland 93,219 68.3% 41,224 30.2% 2,064 136,507 D+38.1
Luzerne 64,768 50.9% 60,412 47.4% 2,154 127,334 D+3.4
Chester 35,352 29.9% 81,205 68.7% 1,577 118,134 R+38.8
Lancaster 32,008 27.5% 83,254 71.5% 1,255 116,517 R+44.0
Berks 43,545 42.3% 58,182 56.5% 1,317 103,044 R+14.2
York 37,261 37.5% 60,632 61.0% 1,477 99,370 R+23.5
Erie 57,822 58.5% 39,037 39.5% 1,984 98,843 D+19.0
Lehigh 39,780 42.8% 51,590 55.6% 1,482 92,852 R+12.7
Lackawanna 50,061 54.7% 40,179 43.9% 1,238 91,478 D+10.8
Washington 58,732 71.4% 22,986 27.9% 592 82,310 D+43.4
Beaver 58,006 72.8% 21,040 26.4% 616 79,662 D+46.4
Dauphin 26,237 35.5% 46,777 63.3% 910 73,924 R+27.8
Northampton 35,574 49.0% 35,473 48.8% 1,594 72,641 D+0.1
Cambria 46,853 65.1% 24,693 34.3% 402 71,948 D+30.8
Schuylkill 27,637 42.6% 36,692 56.5% 590 64,919 R+13.9
Cumberland 20,956 32.7% 42,335 66.1% 781 64,072 R+33.4
Butler 30,894 59.9% 20,038 38.9% 624 51,556 D+21.1
Fayette 34,112 71.1% 13,061 27.2% 818 47,991 D+43.9
Blair 22,185 48.0% 23,590 51.1% 411 46,186 R+3.0
Mercer 23,260 53.9% 19,098 44.3% 795 43,153 D+9.6
Centre 19,618 46.5% 21,481 50.9% 1,077 42,176 R+4.4
Lawrence 25,843 65.1% 13,490 34.0% 341 39,674 D+31.1
Lycoming 16,831 42.6% 22,223 56.2% 486 39,540 R+13.6
Franklin 13,763 38.2% 21,934 60.8% 379 36,076 R+22.6
Lebanon 9,864 28.5% 24,237 70.2% 449 34,550 R+41.6
Northumberland 15,515 45.1% 18,350 53.4% 519 34,384 R+8.2
Indiana 17,180 54.9% 13,880 44.3% 246 31,306 D+10.5
Somerset 17,460 57.4% 12,835 42.2% 137 30,432 D+15.2
Crawford 14,120 47.0% 15,432 51.4% 471 30,023 R+4.4
Clearfield 14,828 53.1% 12,890 46.2% 191 27,909 D+6.9
Armstrong 16,936 63.0% 9,810 36.5% 139 26,885 D+26.5
Columbia 10,401 45.5% 12,240 53.5% 224 22,865 R+8.0
Adams 8,307 37.4% 13,585 61.2% 302 22,194 R+23.8
Monroe 8,583 40.0% 12,473 58.1% 424 21,480 R+18.1
Venango 10,294 49.9% 10,159 49.3% 164 20,617 D+0.7
Bradford 7,073 34.6% 13,027 63.8% 313 20,413 R+29.2
Carbon 9,096 48.6% 9,369 50.1% 245 18,710 R+1.5
Jefferson 8,966 53.3% 7,736 46.0% 124 16,826 D+7.3
Bedford 6,699 40.6% 9,728 59.0% 73 16,500 R+18.4
Susquehanna 5,264 34.2% 9,908 64.4% 213 15,385 R+30.2
Warren 6,229 40.7% 8,827 57.6% 259 15,315 R+17.0
Clarion 8,580 56.6% 6,445 42.5% 138 15,163 D+14.1
McKean 5,519 38.1% 8,753 60.5% 199 14,471 R+22.3
Greene 9,909 69.5% 4,239 29.7% 118 14,266 D+39.7
Huntingdon 5,633 40.8% 8,030 58.2% 144 13,807 R+17.4
Elk 8,337 60.8% 5,281 38.5% 83 13,701 D+22.3
Tioga 4,563 33.5% 8,862 65.0% 199 13,624 R+31.6
Mifflin 5,570 42.5% 7,344 56.0% 198 13,112 R+13.5
Perry 4,105 33.1% 8,125 65.6% 163 12,393 R+32.4
Wayne 3,916 32.9% 7,806 65.6% 175 11,897 R+32.7
Clinton 5,223 44.5% 6,357 54.1% 165 11,745 R+9.7
Snyder 3,058 29.2% 7,343 70.1% 76 10,477 R+40.9
Union 3,338 32.7% 6,697 65.6% 175 10,210 R+32.9
Wyoming 2,953 33.1% 5,865 65.7% 105 8,923 R+32.6
Pike 2,704 35.3% 4,821 62.9% 136 7,661 R+27.6
Juniata 2,525 35.8% 4,502 63.8% 31 7,058 R+28.0
Potter 2,421 36.8% 4,061 61.8% 91 6,573 R+25.0
Montour 2,596 43.0% 3,398 56.3% 45 6,039 R+13.3
Fulton 1,852 45.5% 2,165 53.2% 54 4,071 R+7.7
Cameron 1,371 45.4% 1,621 53.7% 26 3,018 R+8.3
Sullivan 1,121 40.3% 1,637 58.9% 22 2,780 R+18.6
Forest 1,069 49.9% 1,061 49.6% 11 2,141 D+0.4

Counties as they stood in 1980; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Pennsylvania Senate elections we hold

YearWinnerMargin
2024 Dave McCormick (R) R+0.2
2022 John K Fetterman (D) D+4.9
2018 Robert P Casey Jr (D) D+12.9
2016 Patrick J. Toomey (R) R+1.4
2012 Robert P. Casey, Jr. (D) D+9.1
2010 Pat Toomey (R) R+2.0
2006 Bob Casey, Jr. (D) D+17.4
2004 Arlen Specter (R) R+10.6
2000 Rick Santorum (R) R+6.9
1998 Arlen Specter (R) R+26.6
1994 Rick Santorum (R) R+2.5
1992 Arlen Specter (R) R+2.8
1988 John Heinz (R) R+34.0
1986 Arlen Specter (R) R+13.6
1982 John Heinz (R) R+20.1
1980 Arlen Specter (R) R+2.4
1976 H. John Heinz III (R) R+5.6
1974 Richard Schweiker (R) R+7.1
1970 Hugh Scott (R) R+6.0
1968 Richard Schweiker (R) R+6.1
1964 Hugh Scott (R) R+1.5
1962 Joseph S. Clark (D) D+2.4
1958 Hugh Scott (R) R+2.8
1956 Joseph S. Clark (D) D+0.4
1952 Edward Martin (R) R+3.6
1950 James H. Duff (R) R+3.6
1946 Edward Martin (R) R+19.4
1944 Francis Myers (D) D+0.6
1940 Joseph F. Guffey (D) D+4.4
1938 James J. Davis (R) R+10.6
1934 Joseph F. Guffey (D) D+4.3
1932 James J. Davis (R) R+6.2
1928 David A. Reed (R) R+30.4
1926 William S. Vare (R) R+11.5
1922 David A. Reed (R) R+25.5
1920 Boies Penrose (R) R+32.8
1916 Philander Knox (R) R+19.1
1914 Boies Penrose (R) R+22.8