List of United States Senate elections (1914–present)

The United States Senate is the upper chamber of the United States Congress. Senators have been directly elected by state-wide popular vote since the Seventeenth Amendment to the United States Constitution in 1913. A senate term is six years with no term limit. Every two years a third of the seats are up for election. Some years also have a few special elections to fill vacancies. Each state has two senators elected in different years. There were 96 senators from 1912 to 1959 and 100 since then. The Senate has been dominated by Democrats (D) and Republicans (R) in the whole period.

Key + Key C D FL I Independent ID Independent Democratic P R V Vacant Seats on election are shown in bold. Re-elected: The sitting senator is elected for another term. Hold: A new candidate from the same party is elected. Gain: The party did not have the seat before.

Consider for example the Democrats (D) in 1914: 36 sitting Democrats (D1 to D36) were not on election. 14 sitting Democrats (D37 to D50) were re-elected (D50 had been appointed to fill a vacancy and is shown as an elected hold). 3 new Democrats (D51 to D53) held seats by replacing other Democrats. 3 new Democrats (D54 to D56) gained seats the Democrats did not have before.

1914

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1916

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDMajority →DRRRRDDDDDRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

1918

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDRMajority →RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

1920

DDDDDDDDDDDDDDDDDDDDDDDDDDDDRDDDDDDDDDRRRRRRRRRRMajority →RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

1922

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDFLRRRRRMajority →RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

1924

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDFLRRRRRRRMajority →RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

1926

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D FL R R Majority → R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1928

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D FL V V R R R R R Majority → R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1930

1932

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D FL R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1934

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D D D D D D D D D D R R R R R R R P FL D R R R R R R R R R R R R R R R R R R

1936

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D D D D D D D D D D FL FL P V D D D D D D I R R R R R R R R R R R R R R R R R

1938

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D D D D D D D D D D R R R R P FL FL I D D R R R R R R R R R R R R R R R R R R

1940

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D D D D D D D D D I R R R R R R R R R P R R R R R R R R R R R R R R R R R R

1942

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D P D D D D D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1944

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D P R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1946

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D R R Majority → R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1948

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D R R R R D D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1950

D1 D2 D3 D4 D5 D6 D7 D8 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D38Re-elected D37Re-elected D36Re-elected D35Re-elected D34 D33 D32 D31 D30 D29 D39Re-elected D40Re-elected D41Re-elected D42Re-elected D43Re-elected D44Re-elected D45Re-elected D46Hold D47Hold D48Hold Majority → D49Gain R39Re-elected R40Re-elected R41Hold R42Hold R43Gain R44Gain R45Gain R46Gain R47Gain R38Re-elected R37Re-elected R36Re-elected R35Re-elected R34Re-elected R33Re-elected R32Re-elected R31Re-elected R30 R29 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R18 R17 R16 R15 R14 R13 R12 R11 R10 R9 R1 R2 R3 R4 R5 R6 R7 R8

1952

D1 D2 D3 D4 D5 D6 D7 D8 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D38Re-elected D38Re-elected D36 D35 D34 D33 D32 D31 D30 D29 D39Re-elected D40Re-elected D41Re-elected D42Re-elected D43Hold D44Hold D45Gain D46Gain D47Gain D48Gain Majority using VP's vote ↓ R39Re-elected R40Re-elected R41Re-elected R42Re-elected R43Hold R44Gain R45Gain R46Gain R47Gain R48Gain R38Re-elected R37Re-elected R36Re-elected R35Re-elected R34Re-elected R33Re-elected R32Re-elected R31Re-elected R30Re-elected R29Re-elected R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R18 R17 R16 R15 R14 R13 R12 R11 R10 R9 R1 R2 R3 R4 R5 R6 R7 R8

1954

D1 D2 D3 D4 D5 D6 D7 D8 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9 D19 D20 D21 D22 D23 D24 D25 D26 D27Re-elected D28Re-elected D38Re-elected D37Hold D36Re-elected D35Re-elected D34Re-elected D33Re-elected D32Re-elected D31Re-elected D30Re-elected D29Re-elected D39Re-elected D40Re-elected D41Re-elected D42Re-elected D43Re-elected D44Hold D45Gain D46Gain D47Gain D48Gain Plurality ↑ R39Re-elected R40Re-elected R41Re-elected R42Re-elected R43Re-elected R44Hold R45Hold R46Gain R47Gain I1 R38Re-elected R37 R36 R35 R34 R33 R32 R31 R30 R29 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R18 R17 R16 R15 R14 R13 R12 R11 R10 R9 R1 R2 R3 R4 R5 R6 R7 R8

1956

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D R R R R R R R D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1958

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1960

D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D40 D39 D38 D37 D36 D35 D34 D33 D32 D31 D41 D42 D43 D44 D45Re-elected D46Re-elected D47Re-elected D48Re-elected D49Re-elected D50Re-elected Majority → D51Re-elected D60Re-elected D59Re-elected D58Re-elected D57Re-elected D56Re-elected D55Re-elected D54Re-elected D53Re-elected D52Re-elected D61Re-elected D62Re-elected D63Hold D64Hold R36Gain R35Gain R34Hold R33Re-elected R32Re-elected R31Re-elected R21 R22 R23 R24Re-elected R25Re-elected R26Re-elected R27Re-elected R28Re-elected R29Re-elected R30Re-elected R20 R19 R18 R17 R16 R15 R14 R13 R12 R11 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

1962

D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D40 D39 D38 D37 D36 D35 D34 D33 D32 D31 D41 D42 D43 D44 D45 D46Re-elected D47Re-elected D48Re-elected D49Re-elected D50Re-elected Majority → D51Re-elected D60Re-elected D59Re-elected D58Re-elected D57Re-elected D56Re-elected D55Re-elected D54Re-elected D53Re-elected D52Re-elected D61Re-elected D62Re-elected D63Hold D64Gain D65Gain D66Gain D67Gain D68Gain R32Gain R31Re-elected R21 R22Re-elected R23Re-elected R24Re-elected R25Re-elected R26Re-elected R27Re-elected R28Re-elected R29Re-elected R30Re-elected R20 R19 R18 R17 R16 R15 R14 R13 R12 R11 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

1964

D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D40 D39 D38 D37 D36 D35 D34 D33 D32 D31 D41 D42 D43Re-elected D44Re-elected D45Re-elected D46Re-elected D47Re-elected D48Re-elected D49Re-elected D50Re-elected Majority → D51Re-elected D60Re-elected D59Re-elected D58Re-elected D57Re-elected D56Re-elected D55Re-elected D54Re-elected D53Re-elected D52Re-elected D61Re-elected D62Re-elected D63Re-elected D64Re-elected D65Re-elected D66Gain D67Gain D68Gain R32Gain R31Hold R21 R22 R23 R24 R25 R26Re-elected R27Re-elected R28Re-elected R29Re-elected R30Re-elected R20 R19 R18 R17 R16 R15 R14 R13 R12 R11 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

1966

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1968

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D R R D D D D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1970

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D R R R R R C I D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1972

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D R R C I D D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1974

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D I C R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1976

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D D D D D D D D D D D I R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1978

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D I D D D D D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1980

The November 4, 1980 elections coincided with Ronald Reagan's victory in the presidential election. Reagan's large margin of victory over incumbent Jimmy Carter pulled in many Democratic voters and gave a huge boost to Republican Senate candidates.

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D I R R R Majority → R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1982

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D R R R R Majority → R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1984

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D R R R Majority → R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1986

D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Majority → D R R R R R D D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1988

1990

List of United States Senate elections (1914–present)

Bron en licentie