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United States · Election results history · 1946 Senate · Pennsylvania
Election 1946 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.

1946 US Senate election in Pennsylvania

Edward Martin (Republican) beat Joseph F. Guffey (Democrat) in Pennsylvania in 1946, 59.3% to 39.8%, a margin of 19.4 points and 608,120 votes.

Pennsylvania changed party: in 1940 it went Democratic, for Joseph F. Guffey.

Republicans led in 63 of the 67 counties as they stood then and Democrats in 4. The largest, Philadelphia, cast 779,070 votes and went to the Republican by 14.0 points. The closest was Fulton, where 66 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
Edward Martin won Republican 1,853,458 59.3%
Joseph F. Guffey Democratic 1,245,338 39.8%
All other candidates 29,064 0.9%
Total3,127,860

Every county

CountyDemocratRepublicanOthersTotalMargin
Philadelphia 333,035 42.7% 441,888 56.7% 4,147 779,070 R+14.0
Allegheny 221,823 44.0% 277,970 55.1% 4,393 504,186 R+11.1
Delaware 31,541 27.6% 81,967 71.7% 836 114,344 R+44.1
Luzerne 46,377 40.7% 66,459 58.3% 1,231 114,067 R+17.6
Montgomery 24,773 24.1% 77,303 75.1% 840 102,916 R+51.0
Lackawanna 45,999 49.0% 47,643 50.7% 271 93,913 R+1.8
Westmoreland 41,612 47.5% 44,722 51.1% 1,224 87,558 R+3.6
Schuylkill 23,797 36.6% 40,769 62.8% 385 64,951 R+26.1
Dauphin 20,547 31.7% 43,489 67.1% 741 64,777 R+35.4
Washington 31,509 52.1% 28,372 46.9% 564 60,445 D+5.2
Berks 26,059 43.6% 32,742 54.8% 907 59,708 R+11.2
York 27,595 47.7% 29,537 51.1% 659 57,791 R+3.4
Cambria 28,212 50.0% 27,632 49.0% 562 56,406 D+1.0
Lancaster 14,910 27.6% 38,663 71.5% 508 54,081 R+43.9
Northampton 23,961 49.1% 24,292 49.8% 502 48,755 R+0.7
Lehigh 18,098 39.3% 27,503 59.7% 471 46,072 R+20.4
Fayette 22,845 50.0% 22,222 48.6% 634 45,701 D+1.4
Erie 16,332 36.1% 28,414 62.7% 557 45,303 R+26.7
Beaver 17,714 42.8% 23,092 55.8% 613 41,419 R+13.0
Bucks 12,131 31.8% 25,688 67.3% 345 38,164 R+35.5
Chester 9,426 26.8% 25,447 72.5% 236 35,109 R+45.6
Northumberland 14,353 41.7% 19,671 57.1% 422 34,446 R+15.4
Blair 8,656 29.5% 20,287 69.3% 350 29,293 R+39.7
Lawrence 9,023 33.3% 17,668 65.1% 433 27,124 R+31.9
Lycoming 8,869 33.5% 16,786 63.4% 823 26,478 R+29.9
Mercer 8,899 33.7% 17,174 65.1% 326 26,399 R+31.3
Cumberland 8,964 35.8% 15,781 63.1% 271 25,016 R+27.3
Butler 6,708 28.1% 16,728 70.1% 425 23,861 R+42.0
Lebanon 8,269 36.7% 14,103 62.5% 179 22,551 R+25.9
Clearfield 9,474 43.6% 11,890 54.7% 387 21,751 R+11.1
Somerset 6,543 33.5% 12,808 65.6% 161 19,512 R+32.1
Crawford 4,950 26.9% 13,148 71.5% 281 18,379 R+44.6
Indiana 5,972 33.6% 11,476 64.6% 315 17,763 R+31.0
Carbon 8,295 47.0% 9,173 52.0% 181 17,649 R+5.0
Franklin 6,075 35.0% 11,158 64.2% 136 17,369 R+29.3
Armstrong 5,684 33.3% 11,175 65.5% 203 17,062 R+32.2
Venango 3,447 21.8% 11,849 74.8% 539 15,835 R+53.1
Columbia 7,074 45.8% 8,239 53.3% 145 15,458 R+7.5
Centre 5,206 36.1% 8,999 62.5% 204 14,409 R+26.3
Bradford 2,942 21.6% 10,448 76.8% 222 13,612 R+55.1
Jefferson 3,911 29.1% 9,329 69.3% 216 13,456 R+40.3
Adams 5,103 40.1% 7,569 59.5% 55 12,727 R+19.4
McKean 2,841 23.9% 8,868 74.6% 183 11,892 R+50.7
Susquehanna 3,010 27.5% 7,867 71.8% 84 10,961 R+44.3
Tioga 2,026 18.5% 8,846 80.7% 88 10,960 R+62.2
Greene 5,322 51.1% 5,009 48.1% 74 10,405 D+3.0
Bedford 3,521 34.2% 6,707 65.1% 76 10,304 R+30.9
Warren 2,439 23.7% 7,582 73.7% 273 10,294 R+50.0
Clarion 3,390 33.4% 6,614 65.3% 131 10,135 R+31.8
Elk 4,329 43.9% 5,409 54.8% 128 9,866 R+10.9
Clinton 3,470 37.2% 5,747 61.6% 118 9,335 R+24.4
Monroe 3,800 40.7% 5,286 56.7% 240 9,326 R+15.9
Huntingdon 2,686 29.2% 6,423 69.7% 100 9,209 R+40.6
Wayne 1,871 21.0% 6,955 78.0% 89 8,915 R+57.0
Mifflin 3,123 37.7% 5,099 61.5% 72 8,294 R+23.8
Perry 2,418 31.2% 5,244 67.6% 93 7,755 R+36.4
Snyder 1,476 23.8% 4,678 75.5% 38 6,192 R+51.7
Union 1,335 23.4% 4,304 75.4% 66 5,705 R+52.0
Juniata 2,327 42.5% 3,113 56.8% 36 5,476 R+14.4
Wyoming 1,459 27.0% 3,875 71.8% 65 5,399 R+44.7
Potter 1,171 24.5% 3,536 74.1% 63 4,770 R+49.6
Montour 1,628 40.3% 2,401 59.4% 10 4,039 R+19.1
Fulton 1,744 48.7% 1,810 50.6% 25 3,579 R+1.8
Pike 1,049 30.2% 2,395 68.8% 35 3,479 R+38.7
Sullivan 1,055 38.8% 1,642 60.4% 22 2,719 R+21.6
Cameron 555 26.2% 1,557 73.4% 10 2,122 R+47.2
Forest 580 31.5% 1,218 66.1% 45 1,843 R+34.6

Counties as they stood in 1946; 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