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United States · Election results history · 1916 Senate · Pennsylvania
Election 1916 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.

1916 US Senate election in Pennsylvania

Philander Knox (Republican) beat Ellis Orvis (Democrat) in Pennsylvania in 1916, 56.3% to 37.2%, a margin of 19.1 points and 230,339 votes.

Republicans led in 45 of the 67 counties as they stood then and Democrats in 22. The largest, Philadelphia, cast 280,582 votes and went to the Republican by 39.2 points. The closest was Centre, where 43 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
Philander Knox won Republican 680,451 56.3%
Ellis Orvis Democratic 450,112 37.2%
All other candidates 77,883 6.4%
Total1,208,446

Every county

CountyDemocratRepublicanOthersTotalMargin
Philadelphia 80,594 28.7% 190,586 67.9% 9,402 280,582 R+39.2
Allegheny 40,093 31.0% 74,578 57.6% 14,725 129,396 R+26.7
Luzerne 17,530 40.7% 22,830 53.0% 2,700 43,060 R+12.3
Montgomery 12,920 38.0% 19,796 58.2% 1,288 34,004 R+20.2
Berks 16,770 52.2% 10,765 33.5% 4,597 32,132 D+18.7
Lackawanna 13,582 43.2% 16,458 52.3% 1,420 31,460 R+9.1
Lancaster 9,505 30.6% 19,886 64.0% 1,691 31,082 R+33.4
Westmoreland 11,575 38.5% 14,229 47.3% 4,274 30,078 R+8.8
Schuylkill 11,082 37.9% 16,282 55.6% 1,899 29,263 R+17.8
York 15,083 52.5% 11,584 40.3% 2,078 28,745 D+12.2
Dauphin 9,745 38.6% 13,485 53.4% 2,034 25,264 R+14.8
Delaware 6,909 28.7% 16,066 66.8% 1,058 24,033 R+38.1
Lehigh 11,185 49.0% 10,112 44.3% 1,511 22,808 D+4.7
Fayette 9,933 46.8% 9,668 45.6% 1,615 21,216 D+1.2
Northampton 10,209 50.0% 8,829 43.2% 1,381 20,419 D+6.8
Cambria 8,287 41.6% 9,685 48.6% 1,957 19,929 R+7.0
Chester 7,301 38.3% 10,779 56.5% 988 19,068 R+18.2
Washington 6,974 36.7% 10,079 53.1% 1,927 18,980 R+16.4
Erie 7,543 42.4% 7,621 42.8% 2,628 17,792 R+0.4
Blair 5,999 36.1% 9,165 55.2% 1,452 16,616 R+19.1
Bucks 6,973 42.6% 8,854 54.1% 549 16,376 R+11.5
Northumberland 7,305 44.8% 7,002 43.0% 1,985 16,292 D+1.9
Lycoming 5,415 42.0% 4,947 38.4% 2,531 12,893 D+3.6
Mercer 5,548 43.2% 5,363 41.8% 1,925 12,836 D+1.4
Beaver 4,391 35.3% 6,365 51.2% 1,685 12,441 R+15.9
Crawford 5,837 47.9% 5,002 41.0% 1,352 12,191 D+6.8
Clearfield 5,243 43.8% 4,927 41.1% 1,806 11,976 D+2.6
Cumberland 5,729 49.6% 5,132 44.5% 681 11,542 D+5.2
Franklin 4,858 44.5% 5,385 49.3% 673 10,916 R+4.8
Butler 4,018 38.3% 4,977 47.4% 1,504 10,499 R+9.1
Lebanon 3,441 36.0% 5,430 56.8% 695 9,566 R+20.8
Bradford 2,986 31.4% 5,449 57.3% 1,074 9,509 R+25.9
Armstrong 3,052 33.0% 5,376 58.2% 807 9,235 R+25.2
Lawrence 2,829 31.2% 4,629 51.0% 1,619 9,077 R+19.8
Somerset 2,427 28.2% 5,255 61.0% 939 8,621 R+32.8
Columbia 5,237 62.1% 2,652 31.5% 541 8,430 D+30.7
Centre 3,984 47.5% 4,027 48.0% 376 8,387 R+0.5
Venango 2,797 33.6% 3,459 41.5% 2,078 8,334 R+7.9
Carbon 3,539 44.2% 3,936 49.2% 531 8,006 R+5.0
Indiana 1,975 25.0% 4,552 57.5% 1,383 7,910 R+32.6
Jefferson 2,716 34.8% 3,983 51.0% 1,111 7,810 R+16.2
McKean 2,396 32.9% 3,705 50.8% 1,190 7,291 R+18.0
Bedford 2,893 41.6% 3,574 51.4% 487 6,954 R+9.8
Adams 3,538 51.8% 3,025 44.3% 264 6,827 D+7.5
Susquehanna 2,669 40.6% 3,568 54.2% 340 6,577 R+13.7
Warren 2,121 33.6% 2,975 47.1% 1,214 6,310 R+13.5
Tioga 1,508 24.0% 4,008 63.7% 776 6,292 R+39.7
Huntingdon 1,890 32.2% 3,464 58.9% 523 5,877 R+26.8
Clinton 2,728 46.9% 2,559 44.0% 524 5,811 D+2.9
Clarion 3,011 52.3% 2,243 38.9% 506 5,760 D+13.3
Greene 3,344 62.5% 1,786 33.4% 218 5,348 D+29.1
Elk 2,028 39.6% 2,629 51.3% 465 5,122 R+11.7
Perry 2,125 45.9% 2,399 51.8% 109 4,633 R+5.9
Wayne 1,743 37.9% 2,519 54.8% 336 4,598 R+16.9
Monroe 2,807 67.3% 1,133 27.2% 233 4,173 D+40.1
Mifflin 1,595 40.0% 1,961 49.2% 428 3,984 R+9.2
Potter 1,255 32.3% 1,972 50.7% 661 3,888 R+18.4
Wyoming 1,297 43.2% 1,542 51.4% 160 2,999 R+8.2
Union 1,055 37.3% 1,573 55.6% 199 2,827 R+18.3
Snyder 1,038 38.2% 1,510 55.6% 169 2,717 R+17.4
Juniata 1,317 51.7% 1,145 44.9% 86 2,548 D+6.8
Montour 1,137 54.1% 804 38.3% 159 2,100 D+15.9
Fulton 1,105 59.8% 626 33.9% 116 1,847 D+25.9
Sullivan 891 50.8% 734 41.8% 129 1,754 D+9.0
Pike 829 62.4% 444 33.4% 55 1,328 D+29.0
Forest 339 30.5% 523 47.1% 248 1,110 R+16.6
Cameron 334 33.1% 612 60.7% 62 1,008 R+27.6

Counties as they stood in 1916; 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