List of United States Senators from Pennsylvania

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This page displays current and historical information pertaining to the U.S. Senate delegation from Pennsylvania.

Current members

The current members of the U.S. Senate from Pennsylvania are:


Office Name Party Date assumed office Date term ends
U.S. Senate Pennsylvania John Fetterman Democratic January 3, 2023 January 3, 2029
U.S. Senate Pennsylvania David McCormick Republican January 3, 2025 January 3, 2031


Election history

U.S. Senate
Delegations by State
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For more information on the different classes of U.S. Senators, please see: Classes of United States Senators

Class I

Senators in Class I were elected to office in the November 2024 general election, unless they took their seat through appointment or special election. Class I terms run from the beginning of the 119th Congress on January 3, 2025, to the end of the 121st Congress on January 3, 2031.

2024

See also: United States Senate election in Pennsylvania, 2024

General election
General election for U.S. Senate Pennsylvania

The following candidates ran in the general election for U.S. Senate Pennsylvania on November 5, 2024.

Candidate
%
Votes
✔
Image of David McCormick
David McCormick (R)
 
48.8
 
3,399,295
Image of Bob Casey Jr.
Bob Casey Jr. (D)
 
48.6
 
3,384,180
Image of John Thomas
John Thomas (L) Candidate Connection
 
1.3
 
89,653
Image of Leila Hazou
Leila Hazou (G)
 
1.0
 
66,388
Image of Marty Selker
Marty Selker (Constitution Party) Candidate Connection
 
0.3
 
23,621
Image of Quincy Magee
Quincy Magee (Independent) (Write-in)
 
0.0
 
0
Image of Cory Widmann
Cory Widmann (R) (Write-in) Candidate Connection
 
0.0
 
0
 Other/Write-in votes
 
0.1
 
5,598

Incumbents are bolded and underlined. The results have been certified. Source 1 Source 2

Total votes: 6,968,735
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates
Democratic primary election
Democratic primary for U.S. Senate Pennsylvania

Incumbent Bob Casey Jr. advanced from the Democratic primary for U.S. Senate Pennsylvania on April 23, 2024.

Candidate
%
Votes
✔
Image of Bob Casey Jr.
Bob Casey Jr.
 
98.3
 
1,024,545
 Other/Write-in votes
 
1.7
 
18,039

Incumbents are bolded and underlined. The results have been certified. Source 1 Source 2

Total votes: 1,042,584
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates
Republican primary election
Republican primary for U.S. Senate Pennsylvania

David McCormick advanced from the Republican primary for U.S. Senate Pennsylvania on April 23, 2024.

Candidate
%
Votes
✔
Image of David McCormick
David McCormick
 
98.2
 
878,320
 Other/Write-in votes
 
1.8
 
16,539

There were no incumbents in this race. The results have been certified. Source 1 Source 2

Total votes: 894,859
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

2018

General election

General election for U.S. Senate Pennsylvania

Incumbent Bob Casey Jr. defeated Lou Barletta, Dale Kerns, and Neal Gale in the general election for U.S. Senate Pennsylvania on November 6, 2018.

Candidate
%
Votes
✔
Image of Bob Casey Jr.
Bob Casey Jr. (D)
 
55.7
 
2,792,437
Image of Lou Barletta
Lou Barletta (R) Candidate Connection
 
42.6
 
2,134,848
Image of Dale Kerns
Dale Kerns (L) Candidate Connection
 
1.0
 
50,907
Image of Neal Gale
Neal Gale (G) Candidate Connection
 
0.6
 
31,208

Incumbents are bolded and underlined. The results have been certified. Source

Total votes: 5,009,400
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.

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2012

U.S. Senate, Pennsylvania General Election, 2012
Party Candidate Vote % Votes
     Democratic Green check mark transparent.pngBob Casey Jr. Incumbent 53.7% 3,021,364
     Republican Tom Smith 44.6% 2,509,132
     Libertarian Rayburn Douglas Smith 1.7% 96,926
Total Votes 5,627,422
Source: Pennsylvania Department of State


2006

On November 7, 2006, Bob Casey, Jr. won election to the United States Senate. He defeated Rick Santorum (R) and various write-in candidates in the general election.[1]

U.S. Senate, Pennsylvania General Election, 2006
Party Candidate Vote % Votes
     Democratic Green check mark transparent.pngBob Casey, Jr. 58.6% 2,392,984
     Republican Rick Santorum incumbent 41.3% 1,684,778
     N/A Write-in 0.1% 3,281
Total Votes 4,081,043


2000

On November 7, 2000, Rick Santorum won re-election to the United States Senate. He defeated Ron Klink (D), John J. Featherman (L), Robert E. Domske (Reform) and Lester B. Searer (Constitution) in the general election.[2]

U.S. Senate, Pennsylvania General Election, 2000
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngRick Santorum incumbent 52.4% 2,481,962
     Democratic Ron Klink 45.5% 2,154,908
     Libertarian John J. Featherman 1% 45,775
     Reform Robert E. Domske 0.5% 24,089
     Constitution Lester B. Searer 0.6% 28,382
Total Votes 4,735,116


Class III

Senators in Class III were elected to office in the November 2022 general election, unless they took their seat through appointment or special election. Class III terms run from the beginning of the 118th Congress on January 3, 2023, to the end of the 120th Congress on January 3, 2029.

2022

See also: United States Senate election in Pennsylvania, 2022

General election

General election for U.S. Senate Pennsylvania

The following candidates ran in the general election for U.S. Senate Pennsylvania on November 8, 2022.

Candidate
%
Votes
✔
Image of John Fetterman
John Fetterman (D)
 
51.2
 
2,751,012
Image of Mehmet Oz
Mehmet Oz (R)
 
46.3
 
2,487,260
Image of Erik Chase Gerhardt
Erik Chase Gerhardt (L)
 
1.4
 
72,887
Image of Richard Weiss
Richard Weiss (G) Candidate Connection
 
0.6
 
30,434
Image of Daniel Wassmer
Daniel Wassmer (Keystone Party of Pennsylvania)
 
0.5
 
26,428
Image of Quincy Magee
Quincy Magee (Independent) (Write-in)
 
0.0
 
0
Image of Ronald Johnson
Ronald Johnson (Constitution Party) (Write-in) Candidate Connection
 
0.0
 
0

There were no incumbents in this race. The results have been certified. Source

Total votes: 5,368,021
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.

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Withdrawn or disqualified candidates

Democratic primary election

Democratic primary for U.S. Senate Pennsylvania

John Fetterman defeated Conor Lamb, Malcolm Kenyatta, and Alexandria Khalil in the Democratic primary for U.S. Senate Pennsylvania on May 17, 2022.

Candidate
%
Votes
✔
Image of John Fetterman
John Fetterman
 
58.6
 
753,557
Image of Conor Lamb
Conor Lamb
 
26.3
 
337,498
Image of Malcolm Kenyatta
Malcolm Kenyatta
 
10.8
 
139,393
Image of Alexandria Khalil
Alexandria Khalil
 
4.2
 
54,460

There were no incumbents in this race. The results have been certified. Source

Total votes: 1,284,908
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

Republican primary election

Republican primary for U.S. Senate Pennsylvania

The following candidates ran in the Republican primary for U.S. Senate Pennsylvania on May 17, 2022.

Candidate
%
Votes
✔
Image of Mehmet Oz
Mehmet Oz
 
31.2
 
420,168
Image of David McCormick
David McCormick
 
31.1
 
419,218
Image of Kathy Barnette
Kathy Barnette
 
24.7
 
331,903
Image of Carla Sands
Carla Sands
 
5.4
 
73,360
Image of Jeff Bartos
Jeff Bartos
 
5.0
 
66,684
Image of Sean Gale
Sean Gale
 
1.5
 
20,266
Image of George Bochetto
George Bochetto
 
1.1
 
14,492

There were no incumbents in this race. The results have been certified. Source

Total votes: 1,346,091
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.

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Withdrawn or disqualified candidates

2016

See also: United States Senate election in Pennsylvania, 2016

The race for Pennsylvania's U.S. Senate seat was one of nine competitive battleground races in 2016 that helped Republicans keep control of the upper chamber after the November 8 general election. Incumbent Pat Toomey (R), who began serving in the Senate in 2011, defeated Katie McGinty (D), Edward Clifford III (L), and write-in candidate Everett Stern (I) in the general election.

Toomey ran his campaign separately from Donald Trump, and he did not tell people who he would vote for on Election Day. Toomey said, “You know, I’m not campaigning with Donald Trump. He’s running his campaign. I’m running mine.”[3][4][5]

Hillary Clinton, who campaigned with McGinty in October, criticized Toomey for not rejecting Trump as his party’s nominee. She said, “How much does he have to hear or to see? If he doesn’t have the courage to stand up against Donald Trump after all of this, then how will he stand up to special interests and powerful forces that are going to be trying to have their way in Washington?”[5]

Speaking about his campaign strategy, Toomey said, “I am convinced that Pennsylvania voters are going to make a complete separation in their minds. … There’s a presidential race going on, quite obviously, lots of attention, lots of focus, everybody’s got their opinion about it, and then there’s a totally separate thing happening in the Senate race — an incumbent senator most people know and an opponent. Totally separate campaign and totally separate judgment.”[5] Toomey stated on Election Day that he voted for Trump.[6]


U.S. Senate, Pennsylvania General Election, 2016
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngPat Toomey Incumbent 48.8% 2,951,702
     Democratic Katie McGinty 47.3% 2,865,012
     Libertarian Edward Clifford 3.9% 235,142
Total Votes 6,051,856
Source: Pennsylvania Department of State


U.S. Senate, Pennsylvania Democratic Primary, 2016
Candidate Vote % Votes
Green check mark transparent.pngKatie McGinty 42.5% 669,774
Joe Sestak 32.6% 513,221
John Fetterman 19.5% 307,090
Joseph Vodvarka 5.4% 85,837
Total Votes 1,575,922
Source: Pennsylvania Department of State


2010

On November 2, 2010, Pat Toomey won election to the United States Senate. He defeated Joe Sestak in the general election.[7]

U.S. Senate, Pennsylvania General Election, 2010
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngPat Toomey 51% 2,028,945
     Democratic Joe Sestak 49% 1,948,716
Total Votes 3,977,661


2004

On November 2, 2004, Arlen Specter won re-election to the United States Senate. He defeated Joseph M. Hoeffel (D), James N. Clymer (Constitution), Betsy Summers (Libertarian) and various other challengers in the general election.[8]

U.S. Senate, Pennsylvania General Election, 2004
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngArlen Specter incumbent 52.6% 2,925,080
     Democratic Joseph M. Hoeffel 42% 2,334,126
     Constitution James N. Clymer 4% 220,056
     Libertarian Betsy Summers 1.4% 79,263
     N/A Scattering 0% 580
Total Votes 5,559,105


Historical members

Historical Representation to the U.S. Senate by Party from Pennsylvania
Party Total
     Democratic 16
     Republican 27
     Federalist 1
     Jacksonian 1
     Pro-Administration 1
     Anti-Administration 2
     Whig 1
     Democratic Republican 8
     Pro-Administration, Federalist 1
     Adams; Anti-Jacksonian 1
Class 1 Senators from Pennsylvania
Senator Years Served Party
William Maclay 1789-1791 Anti-Administration
James Ross 1794-1803 Pro-Administration, Federalist
Samuel Maclay 1803-1809 Democratic Republican
Michael Leib 1809-1814 Democratic Republican
Jonathan Roberts 1814-1821 Democratic Republican
William Findlay 1821-1827 Anti-Administration
Isaac D. Barnard 1827-1831 Democratic
George M. Dallas 1831-1833 Democratic
Samuel McKean 1833-1839 Democratic
Daniel Sturgeon 1840-1851 Democratic
Richard Brodhead 1851-1857 Democratic
Simon Cameron 1857-1861 Republican
David Wilmot 1861-1863 Republican
Charles R. Buckalew 1863-1869 Democratic
John Scott 1869-1875 Republican
William A. Wallace 1875-1881 Democratic
John I. Mitchell 1881-1887 Republican
Matthew S. Quay 1887-1899, 1901-1904 Republican
Philander C. Knox 1904-1909 Republican
George T. Oliver 1909-1917 Republican
Philander C. Knox 1917-1921 Republican
William E. Crow 1921-1922 Republican
David A. Reed 1922-1935 Republican
Joseph F. Guffey 1935-1947 Democratic
Edward Martin 1947-1959 Republican
Hugh D. Scott, Jr. 1959-1977 Republican
H. John Heinz III 1977-1991 Republican
Harris Wofford 1991-1995 Democratic
Rick Santorum 1995-2007 Republican
Bob Casey Jr. 2007-2025 Democratic
David McCormick 2025-Present Republican
Class 3 Senators from Pennsylvania
Senator Years Served Party
Robert Morris 1789-1795 Pro-Administration
William Bingham 1795-1801 Federalist
John Peter G. Muhlenberg 1801-1801 Democratic Republican
George Logan 1801-1807 Democratic Republican
Andrew Gregg 1807-1813 Democratic Republican
Abner Lacock 1813-1819 Democratic Republican
Walter Lowrie 1819-1825 Democratic Republican
William Marks 1825-1831 Adams; Anti-Jacksonian
William Wilkins 1831-1834 Jacksonian
James Buchanan 1834-1845 Democratic
Simon Cameron 1845-1849 Democratic
James Cooper 1849-1855 Whig
William Bigler 1856-1861 Democratic
Edgar Cowan 1861-1867 Republican
Simon Cameron 1867-1877 Republican
James Donald Cameron 1877-1897 Republican
Boies Penrose 1897-1921 Republican
George Wharton Pepper 1922-1927 Republican
William S. Vare 1927-1929 Republican
Joseph R. Grundy 1929-1930 Republican
James J. Davis 1930-1945 Republican
Francis J. Myers 1945-1951 Democratic
James H. Duff 1951-1957 Republican
Joseph S. Clark 1957-1969 Democratic
Richard S. Schweiker 1969-1981 Republican
Arlen Specter 1981-2011 Republican
Pat Toomey 2011-2023 Republican
John Fetterman 2023-Present Democratic

See also

Footnotes

  1. ↑ U.S. Congress House Clerk, "Statistics of the Congressional Election of November 7, 2006," accessed March 28, 2013
  2. ↑ U.S. Congress House Clerk, "Statistics of the Congressional Election of November 7, 2000," accessed March 28, 2013
  3. ↑ Real Clear Politics, "Pennsylvania: Trump vs. Clinton vs. Johnson vs. Stein," accessed October 24, 2016
  4. ↑ Real Clear Politics, "Pennsylvania Senate - Toomey vs. McGinty," accessed October 24, 2016
  5. ↑ 5.0 5.1 5.2 The Los Angeles Times, "A Republican Senator's strategy to save his seat in one of the country's tightest races: Avoid Trump," accessed October 24, 2016
  6. ↑ The New York Times, "Patrick Toomey Wins Re-election in Pennsylvania Senate Race," accessed November 11, 2016
  7. ↑ U.S. Congress House Clerk, "Statistics of the Congressional Election of November 2, 2010," accessed March 28, 2013
  8. ↑ U.S. Congress House Clerk, "Statistics of the Congressional Election of November 2, 2004," accessed March 28, 2013


Pennsylvania's current delegation to the United States Congress
Senators
John Fetterman (D)
David McCormick (R)
Representatives
District 1
District 2
District 3
District 4
District 5
District 6
District 7
District 8
District 9
District 10
District 11
District 12
District 13
District 14
District 15
District 16
District 17
Republican Party (11)
Democratic Party (8)


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State of Pennsylvania
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