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United States · Election results history · 1964 Senate · Pennsylvania
Election 1964 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.

1964 US Senate election in Pennsylvania

Hugh Scott (Republican) beat Genevieve Blatt (Democrat) in Pennsylvania in 1964, 50.6% to 49.1%, a margin of 1.5 points and 70,635 votes.

The Republican hold continued from 1958, when Hugh Scott also won.

Republicans led in 47 of the 67 counties as they stood then and Democrats in 20. The largest, Philadelphia, cast 907,955 votes and went to the Democrat by 15.7 points. The closest was Montour, where 30 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
Hugh Scott won Republican 2,429,858 50.6%
Genevieve Blatt Democratic 2,359,223 49.1%
All other candidates 14,754 0.3%
Total4,803,835

Every county

CountyDemocratRepublicanOthersTotalMargin
Philadelphia 523,870 57.7% 381,546 42.0% 2,539 907,955 D+15.7
Allegheny 349,843 48.6% 366,958 51.0% 2,932 719,733 R+2.4
Delaware 104,962 40.8% 151,684 59.0% 497 257,143 R+18.2
Montgomery 88,439 37.1% 149,344 62.7% 470 238,253 R+25.6
Luzerne 87,567 57.7% 62,854 41.4% 1,373 151,794 D+16.3
Westmoreland 78,001 52.4% 70,338 47.2% 579 148,918 D+5.1
Bucks 57,030 44.4% 71,142 55.4% 339 128,511 R+11.0
Lackawanna 66,887 56.2% 51,973 43.7% 108 118,968 D+12.5
Berks 58,511 53.4% 50,731 46.3% 338 109,580 D+7.1
Lancaster 40,444 38.3% 64,873 61.5% 152 105,469 R+23.2
Erie 51,914 50.1% 51,477 49.7% 279 103,670 D+0.4
York 46,545 50.4% 45,569 49.3% 233 92,347 D+1.1
Lehigh 46,574 50.5% 45,408 49.2% 255 92,237 D+1.3
Chester 33,280 37.5% 55,348 62.3% 198 88,826 R+24.8
Dauphin 35,576 40.1% 52,723 59.4% 434 88,733 R+19.3
Washington 46,876 53.5% 40,520 46.2% 253 87,649 D+7.3
Beaver 44,405 52.9% 39,286 46.8% 295 83,986 D+6.1
Cambria 41,334 50.7% 39,857 48.9% 328 81,519 D+1.8
Northampton 45,591 57.3% 33,561 42.2% 366 79,518 D+15.1
Schuylkill 40,497 52.5% 36,440 47.3% 128 77,065 D+5.3
Fayette 34,825 57.4% 25,673 42.3% 185 60,683 D+15.1
Blair 20,457 40.5% 29,961 59.3% 124 50,542 R+18.8
Cumberland 19,592 38.9% 30,637 60.9% 110 50,339 R+21.9
Mercer 25,255 50.7% 24,412 49.0% 171 49,838 D+1.7
Northumberland 22,490 49.6% 22,815 50.3% 77 45,382 R+0.7
Lawrence 22,801 50.6% 22,130 49.1% 155 45,086 D+1.5
Lycoming 20,953 46.5% 24,049 53.3% 82 45,084 R+6.9
Butler 19,858 44.6% 24,556 55.2% 89 44,503 R+10.6
Lebanon 12,961 38.7% 20,482 61.1% 58 33,501 R+22.5
Franklin 14,411 43.8% 18,430 56.0% 51 32,892 R+12.2
Somerset 14,361 43.7% 18,441 56.1% 57 32,859 R+12.4
Armstrong 15,424 48.2% 16,444 51.4% 113 31,981 R+3.2
Clearfield 14,902 48.8% 15,562 50.9% 86 30,550 R+2.2
Indiana 12,400 42.1% 16,958 57.5% 113 29,471 R+15.5
Crawford 13,150 45.8% 15,504 54.0% 83 28,737 R+8.2
Centre 10,046 38.4% 16,102 61.5% 45 26,193 R+23.1
Venango 9,362 40.5% 13,703 59.3% 54 23,119 R+18.8
Columbia 11,324 49.6% 11,458 50.2% 37 22,819 R+0.6
Carbon 12,081 53.5% 10,405 46.1% 81 22,567 D+7.4
Bradford 8,067 38.2% 13,017 61.7% 28 21,112 R+23.4
Adams 8,841 44.5% 10,984 55.2% 60 19,885 R+10.8
Jefferson 7,757 40.2% 11,496 59.6% 48 19,301 R+19.4
McKean 8,324 44.6% 10,256 54.9% 86 18,666 R+10.4
Bedford 7,016 40.8% 10,142 59.0% 36 17,194 R+18.2
Monroe 8,237 49.0% 8,500 50.6% 59 16,796 R+1.6
Warren 7,625 46.3% 8,804 53.4% 57 16,486 R+7.2
Clarion 7,126 46.0% 8,343 53.8% 38 15,507 R+7.8
Greene 8,996 59.2% 6,167 40.6% 39 15,202 D+18.6
Elk 8,114 54.2% 6,812 45.5% 39 14,965 D+8.7
Mifflin 6,889 46.9% 7,764 52.9% 36 14,689 R+6.0
Tioga 5,391 37.2% 9,070 62.6% 31 14,492 R+25.4
Susquehanna 5,580 38.8% 8,785 61.1% 23 14,388 R+22.3
Clinton 7,175 50.2% 7,096 49.6% 30 14,301 D+0.6
Huntingdon 5,346 37.8% 8,734 61.8% 53 14,133 R+24.0
Wayne 4,077 33.5% 8,043 66.1% 41 12,161 R+32.6
Perry 4,453 39.2% 6,862 60.5% 34 11,349 R+21.2
Snyder 2,986 31.5% 6,486 68.3% 20 9,492 R+36.9
Union 2,884 31.1% 6,359 68.6% 27 9,270 R+37.5
Wyoming 2,730 33.6% 5,389 66.3% 11 8,130 R+32.7
Juniata 3,171 43.6% 4,097 56.3% 6 7,274 R+12.7
Potter 2,834 40.8% 4,088 58.9% 21 6,943 R+18.1
Montour 3,127 49.7% 3,157 50.2% 8 6,292 R+0.5
Pike 2,067 38.3% 3,312 61.4% 16 5,395 R+23.1
Fulton 1,811 46.1% 2,104 53.5% 17 3,932 R+7.5
Cameron 1,521 46.3% 1,756 53.5% 8 3,285 R+7.2
Sullivan 1,376 45.6% 1,633 54.1% 9 3,018 R+8.5
Forest 903 41.9% 1,248 57.9% 6 2,157 R+16.0

Counties as they stood in 1964; 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