List of United States Senate elections

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Key:
A# or
AJ#
Adams or Anti-Jacksonian
AA# Anti-Administration
D# Democratic
DR# Democratic-Republican
DRa# Democratic-Republican (Adams-Clay)
DRc# Democratic-Republican (Crawford)
DRj# Democratic-Republican (Jackson)
F# Federalist
Fa# Federalist (Adams-Clay)
FL# Farmer-Labor
FS# Free Soil
I# Independent
ID# Independent Democratic
J# Jacksonian
KN# Know Nothing
N# Nullfier
P# Pro-Administration
Pg# Progressive
RA# Readjuster
R# Republican
U# Unionist
UU# Unconditional Unionist
V# Vacant

Contents

United States Senate elections, 1788 and 1789[edit]

Note: There were no political parties in this Congress. Members are informally grouped into factions of similar interest, based on an analysis of their voting record.[1]

V1
AA1 AA2 AA3 AA4 AA5 AA6 AA7 P13 P12 P11
Majority →
P1 P2 P3 P4 P5 P6 P7 P8 P9 P10
V2

United States Senate elections, 1790 and 1791[edit]

Note: There were no political parties in this Congress. Members are informally grouped into factions of similar interest, based on an analysis of their voting record.[1]

AA7 AA8 AA9
AA6 AA5 AA4 AA3 AA2 AA1 V1 P16 P15 P14
Majority →
P4 P5 P6 P7 P8 P9 P10 P11 P12 P13
P3 P2 P1

United States Senate elections, 1792 and 1793[edit]

Note: There were no political parties in this Congress. Members are informally grouped into factions of similar interest, based on an analysis of their voting record.[1]

AA4 AA3 AA2 AA1 V1
AA5 AA6
Gain
AA7
Gain
AA8 AA9 AA10 AA11 P18 P17 P16
Majority →
P6 P7 P8 P9 P10 P11 P12 P13 P14 P15
P5 P4 P3 P2 P1

United States Senate elections, 1794 and 1795[edit]

AA5 AA4 AA3 AA2 AA1
AA6 AA7
Hold
AA8
Hold
DR1
Gain
DR2
Gain
F9
Gain
F8
Gain
F7
Gain
F6
Gain
F5
Gain
Majority →
P6 P7 P8 P9 P10 P11
Hold
F1
Gain
F2
Gain
F3
Gain
F4
Gain
P5 P4 P3 P2 P1

United States Senate elections, 1796 and 1797[edit]

DR6 DR5 DR4 DR3 DR2 DR1
DR7
Re-elected
DR8
Hold
DR9
Hold
DR10
Gain
V1
Gain
F21
Gain
F20
Hold
F19
Hold
F18
Hold
F17
Hold
Majority →
F7
Re-elected
F8
Re-elected
F9
Re-elected
F10
Re-elected
F11
Re-elected
F12
Hold
F13
Hold
F14
Hold
F15
Hold
F16
Hold
F6 F5 F4 F3 F2 F1

United States Senate elections, 1798 and 1799[edit]

DR6
Re-elected
DR5
Re-elected
DR4 DR3 DR2 DR1
DR7
Hold
DR8
Hold
DR9
Hold
V1
DR loss
F22
Hold
F21
Hold
F20
Re-elected
F19
Re-elected
F18
Re-elected
F17
Majority →
F7 F8 F9 F10 F11 F12 F13 F14 F15 F16
F6 F5 F4 F3 F2 F1

United States Senate elections, 1800 and 1801[edit]

DR6 DR5 DR4 DR3 DR2 DR1
DR7 DR8 DR9
Re-elected
DR10
Hold
DR11
Gain
DR12
Gain
DR13
Gain
DR14
Gain
V1
F loss
F17
Gain
Majority →
F16
Re-elected
F7 F8 F9 F10 F11 F12 F13 F14 F15
Re-elected
F6 F5 F4 F3 F2 F1

United States Senate elections, 1802 and 1803[edit]

DR6 DR5 DR4 DR3 DR2 DR1
DR7 DR8 DR9 DR10 DR11 DR12 DR13 DR14 DR15 DR16
Re-elected
Majority → DR17
Re-elected
F7
Re-elected
F8
Re-elected
F9
Hold
V1
Fed loss
DR22
Gain
DR21
Gain
DR20
Gain
DR19
Gain
DR18
Gain
F6 F5 F4 F3 F2 F1

United States Senate elections, 1804 and 1805[edit]

DR7 DR6 DR5 DR4 DR3 DR2 DR1
DR8 DR9 DR10 DR11 DR12 DR13 DR14 DR15 DR16 DR17
Majority → DR18
DR27
Gain
DR26
Gain
DR25
Hold
DR24
Hold
DR23
Hold
DR22
Hold
DR21
Re-elected
DR20
Re-elected
DR19
Re-elected
F7
Re-elected
F6
Re-elected
F5 F4 F3 F2 F1

United States Senate elections, 1806 and 1807[edit]

DR7 DR6 DR5 DR4 DR3 DR2 DR1
DR8 DR9 DR10 DR11 DR12 DR13 DR14 DR15 DR16 DR17
Majority → DR18
DR27
Hold
DR26
Hold
DR25
Hold
DR24
Re-elected
DR23
Re-elected
DR22
Re-elected
DR21
Re-elected
DR20
Re-elected
DR19
Re-elected
DR28
Gain
F6
Re-elected
F5 F4 F3 F2 F1

United States Senate elections, 1808 and 1809[edit]

DR7 DR6 DR5 DR4 DR3 DR2 DR1
DR8 DR9 DR10 DR11 DR12 DR13 DR14 DR15 DR16 DR17
Majority → DR18
DR27
Hold
DR26
Hold
DR25
Hold
DR24
Re-elected
DR23
Re-elected
DR22
Re-elected
DR21
Re-elected
DR20
Re-elected
DR19
F7
Gain
F6
Hold
F5
Re-elected
F4
Re-elected
F3 F2 F1

United States Senate elections, 1810 and 1811[edit]

DR7 DR6 DR5 DR4 DR3 DR2 DR1
DR8 DR9 DR10 DR11 DR12 DR13 DR14 DR15 DR16 DR17
Majority → DR18
Re-elected
DR27
Gain
DR26
Hold
DR25
Hold
DR24
Re-elected
DR23
Re-elected
DR22
Re-elected
DR21
Re-elected
DR20
Re-elected
DR19
Re-elected
F7
Re-elected
F6 F5 F4 F3 F2 F1

United States Senate elections, 1812 and 1813[edit]

DR8 DR7 DR6 DR5 DR4 DR3 DR2 DR1
DR9 DR10 DR11 DR12 DR13 DR14 DR15 DR16 DR17 DR18
Majority → DR19
DR28
Hold
DR27
Hold
DR26
Hold
DR25
Hold
DR24
Hold
DR23
Hold
DR22
Re-elected
DR21
Re-elected
DR20
F8
Gain
F7
Gain
F6
Hold
F5
Re-elected
F4 F3 F2 F1

United States Senate elections, 1814 and 1815[edit]

DR8 DR7 DR6 DR5 DR4 DR3 DR2 DR1
DR9 DR10 DR11 DR12 DR13 DR14 DR15 DR16 DR17 DR18
Re-elected
Majority → DR19
Hold
F9
Re-elected
F10
Re-elected
F11
Gain
V1 V2 V3 DR22
Hold
DR21
Hold
DR20
Hold
F8
Re-elected
F7
Re-elected
F6 F5 F4 F3 F2 F1

United States Senate elections, 1816 and 1817[edit]

DR9 DR8 DR7 DR6 DR5 DR4 DR3 DR2 DR1
DR10 DR11 DR12 DR13 DR14 DR15
Gain
DR16
Gain
DR17
Re-elected
DR18
Hold
DR19
Hold
Majority → DR20
Hold
F10 F11
Hold
F12
Gain
F13
Gain
DR25
Gain
DR24
Gain
DR23
Hold
DR22
Hold
DR21
Hold
F9 F8 F7 F6 F5 F4 F3 F2 F1

United States Senate elections, 1818 and 1819[edit]

  V1
DR9 DR8 DR7 DR6 DR5 DR4 DR3 DR2 DR1 V2
DR10 DR11 DR12 DR13 DR14 DR15 DR16 DR17
Gain
DR18
Gain
Re-elected
DR19
Re-elected
Majority → DR20
Re-elected
DR29
Gain
DR28
Hold
DR27
Hold
DR26
Hold
DR25
Hold
DR24
Hold
DR23
Hold
DR22
Hold
DR21
Re-elected
DR30
Gain
V3 F9 F8 F7 F6 F5 F4 F3 F2
  F1

United States Senate elections, 1820 and 1821[edit]

DR1 DR2 DR3
DR13 DR12 DR11 DR10 DR9 DR8 DR7 DR6 DR5 DR4
DR14 DR15 DR16 DR17 DR18 DR19 DR20 DR21 DR22 DR23
Majority → DR24
DR33
Hold
DR32
Re-elected
DR31
Re-elected
DR30
Re-elected
DR29
Re-elected
DR28
Re-elected
DR27 DR26 DR25
DR34
Hold
DR35
Hold
DR36
Gain
DR37
Gain
DR38
Gain
DR39
Gain
V1 V2 V3 F4
Re-elected
F1 F2 F3

United States Senate elections, 1822 and 1823[edit]

DR1 DR2 DR3 DR4
DR14 DR13 DR12 DR11 DR10 DR9 DR8 DR7 DR6 DR5
DR15 DR16 DR17 DR18 DR119 DR20 DR21 DR22 DR23 DR24
Majority → DR25
DR34
Hold
DR33
Hold
DR32
Hold
DR31
Hold
DR30 DR29 DR28 DR27 DR26
DR35
Re-elected
DR36
Re-elected
DR37
Re-elected
DR38
Re-elected
DR39
Re-elected
DR40
Re-elected
DR41
Re-elected
DR42
Re-elected
DR43
Re-elected
DR44
Re-elected
F1 F2 F3
Re-elected
V1

United States Senate elections, 1824 and 1825[edit]

  J1
Gain
AJ1
Gain
J2
Gain
AJ2
Gain
DRc3 DRc2 DRc1 DRa11 DRa10 DRa9 AJ3
Gain
AJ4
Gain
J3
Gain
AJ5
Gain
DRc4 DRc5 DRc6 DRc7 DRc8 DRc9 J4
Gain
J5
Gain
J6
Gain
V1
DR Loss
 
DRj3 DRj2 DRj1 DRc20 DRc19 DRc18 DRc17 DRc16 AJ6
Gain
J7
Gain
DRj4 DRj5 DRj6 DRj7 DRj8 DRj9 DRj10 DRj11 J8
Gain
V2
Fa Loss
  Fa1 Fa2 Fa3 Fa4

United States Senate elections, 1826 and 1827[edit]

A1 A2 A3 A4
A14 A13 A12 A11 A10 A9 A8 A7 A6 A5
A15
Re-elected
A16
Re-elected
A17
Re-elected
A18
Re-elected
A19
Hold
A20
Gain
V1
Gain
J27
Gain
J26
Gain
J25
Hold
Majority → J24
Hold
J15 J16 J17 J18 J19
Re-elected
J20
Re-elected
J21
Re-elected
J22
Re-elected
J23
Hold
J14 J13 J12 J11 J10 J9 J8 J7 J6 J5
J1 J2 J3 J4

United States Senate elections, 1828 and 1829[edit]

AJ1 AJ2 AJ3 AJ4
AJ14 AJ13 AJ12 AJ11 AJ10 AJ9 AJ8 AJ7 AJ6 AJ5
AJ15 AJ16 AJ17
Re-elected
AJ18
Re-elected
AJ19
Re-elected
AJ20
Gain
AJ21
Gain
AJ22
Gain
J26
Gain
J25
Gain
Majority → J24
Hold
J15 J16 J17
Re-elected
J18
Re-elected
J19
Re-elected
J20
Re-elected
J21
Re-elected
J22
Hold
J23
Hold
J14 J13 J12 J11 J10 J9 J8 J7 J6 J5
J1 J2 J3 J4

United States Senate elections, 1830 and 1831[edit]

AJ1 AJ2 AJ3 AJ4
AJ14 AJ13 AJ12 AJ11 AJ10 AJ9 AJ8 AJ7 AJ6 AJ5
AJ15
Re-elected
AJ16
Re-elected
AJ17
Re-elected
AJ18
Hold
AJ19
Hold
AJ20
Hold
V1 N1
Gain
J26
Gain
J25
Gain
Majority → J24
Gain
J15 J16 J17 J18 J19
Re-elected
J20
Re-elected
J21
Hold
J22
Hold
J23
Hold
J14 J13 J12 J11 J10 J9 J8 J7 J6 J5
J1 J2 J3 J4

United States Senate elections, 1832 and 1833[edit]

AJ1 AJ2 AJ3 AJ4
AJ14 AJ13 AJ12 AJ11 AJ10 AJ9 AJ8 AJ7 AJ6 AJ5
AJ15 AJ16
Re-elected
AJ17
Re-elected
AJ18
Re-elected
AJ19
Hold
AJ20
Hold
AJ21
Gain
AJ22
Gain
AJ23
Gain
N1
Plurality ↑ N2
J15 J16
Re-elected
J17
Re-elected
J18
Re-elected
J19
Hold
J20
Gain
J21
Gain
V1
Loss
V2
Loss
J14 J13 J12 J11 J10 J9 J8 J7 J6 J5
J1 J2 J3 J4

United States Senate elections, 1834 and 1835[edit]

AJ1 AJ2 AJ3 AJ4
AJ14 AJ13 AJ12 AJ11 AJ10 AJ9 AJ8 AJ7 AJ6 AJ5
AJ15 AJ16 AJ17 AJ18 AJ19
Re-elected
AJ20
Re-elected
AJ21
Re-elected
AJ22
Hold
AJ23
Gain
AJ24
Gain
Plurality →
J15
Re-elected
J16
Re-elected
J17
Re-elected
J18
Re-elected
J19
Gain
J20
Gain
J21
Gain
N1 N2
Re-elected
V1
Loss
J14
Re-elected
J13 J12 J11 J10 J9 J8 J7 J6 J5
J1 J2 J3 J4

United States Senate elections, 1836 and 1837[edit]

AJ1 AJ2 AJ3 AJ4 AJ5 AJ6
W16
Re-elected
New party
W15
Re-elected
New party
W14
Re-elected
New party
W13
Re-elected
New party
AJ12 AJ11 AJ10 AJ9 AJ8 AJ7
W17
Hold
New party
N1 D34
Gain
D33
Gain
D32
Gain
D31
Hold
New party
D30
Hold
New party
D29
Re-elected
New party
D28
Re-elected
New party
D27
Re-elected
New party
Majority →
J17 J18 J19 J20 J21 J22 D23
Re-elected
New party
D24
Re-elected
New party
D25
Re-elected
New party
D26
Re-elected
New party
J16 J15 J14 J13 J12 J11 J10 J9 J8 J7
J1 J2 J3 J4 J5 J6

United States Senate elections, 1838 and 1839[edit]

D1 D2 D3 D4 D5 D6
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7
D17 D18 D19 D20 D21 D22 D23 D24 D25 D26
Re-elected
Majority → D27
Re-elected
W17
Hold
W18
Gain
W19
Gain
W20
Gain
V4
D Loss
V3
D Loss
V2
D Loss
V1
D Loss
D28
Hold
W16
Hold
W15
Re-elected
W14
Re-elected
W13
Re-elected
W12
Re-elected
W11
Re-elected
W10 W9 W8 W7
W1 W2 W3 W4 W5 W6

United States Senate elections, 1840 and 1841[edit]

D1 D2 D3 D4 D5 D6
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7
D17
Re-elected
D18
Re-elected
D19
Re-elected
D20
Hold
D21
Hold
D22
Re-elected
V3
D Loss
V2 V1 W27
Gain
Majority →
W17
Hold
W18
Re-elected
W19
Hold
W20
Hold
W21
Re-elected
W22
Gain
W23
Gain
W24
Gain
W25
Gain
W26
Gain
W16 W15 W14 W13 W12 W11 W10 W9 W8 W7
W1 W2 W3 W4 W5 W6

United States Senate elections, 1842 and 1843[edit]

D1 D2 D3 D4 D5 D6
D16
Re-elected
D15
Re-elected
D14
Re-elected
D13
Re-elected
D12
Re-elected
D11
Re-elected
D10 D9 D8 D7
D17
Re-elected
D18
Hold
D19
Hold
D20
Hold
D21
Hold
D22
Gain
D23
Gain
V2 V1 W27
Hold
Majority → W26
Hold
W17 W18 W19 W20 W21 W22 W23 W24
Re-elected
W25
Re-elected
W16 W15 W14 W13 W12 W11 W10 W9 W8 W7
W1 W2 W3 W4 W5 W6

United States Senate elections, 1844 and 1845[edit]

D1 D2 D3 D4 D5 D6 D7
D17 D16 D15 D14 D13 D12 D11 D10 D9 D8
D18 D19 D20
Re-elected
D21
Re-elected
D22
Re-elected
D23
Re-elected
D24
Gain
D25
Gain
D26
Gain
D27
Gain
Majority →
W18
Re-elected
W19
Re-elected
W20
Hold
W21
Hold
W22
Hold
W23
Gain
W24
Gain
V1
W Loss
V2
New seat
V3
New seat
W17
Re-elected
W16 W15 W14 W13 W12 W11 W10 W9 W8
W1 W2 W3 W4 W5 W6 W7

United States Senate elections, 1846 and 1847[edit]

D1 D2 D3 D4 D5 D6 D7 D8 D9
D19 D18 D17 D16 D15 D14 D13 D12 D11 D10
D20 D21 D22 D23 D24 D25 D26
Re-elected
D27
Re-elected
D28
Re-elected
D29
Re-elected
Majority → D30
Hold
V1
W Loss
V2
New state
V3
New state
ID1
Gain
D35
Gain
D34
Gain
D33
Gain
D32
Hold
D31
Hold
W19
Hold
W18
Hold
W17
Hold
W16
Re-elected
W15
Re-elected
W14
Re-elected
W13
Re-elected
W12 W11 W10
W1 W2 W3 W4 W5 W6 W7 W8 W9

United States Senate elections, 1848 and 1849[edit]

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
Re-elected
D26
Re-elected
D27
Re-elected
D28
Re-elected
D29
Re-elected
D30
Hold
Majority → D31
Hold
W21
Gain
W22
Gain
W23
Gain
W24
Gain
W25
Gain
ID1 FS1
Gain
D33
Gain
D32
Hold
W20
Hold
W19
Re-elected
W18
Re-elected
W17
Re-elected
W16 W15 W14 W13 W12 W11
W1 W2 W3 W4 W5 W6 W7 W8 W9 W10

United States Senate elections, 1850 and 1851[edit]

D1
D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
D21 D20 D19 D18 D17 D16 D15 D14 D13 D12
D22 D23
Re-elected
D24
Re-elected
D25
Re-elected
D26
Re-elected
D27
Re-elected
D28
Re-elected
D29
Re-elected
D30
Hold
D31
Hold
Majority → D32
Gain
V1
W Loss
V2
W Loss
FS1 FS2 V3
D Loss
V4
D Loss
V5
D Loss
D34
Gain
D33
Gain
W21
Gain
W20
Gain
W19
Hold
W18
Re-elected
W17 W16 W15 W14 W13 W12
W2 W3 W4 W5 W6 W7 W8 W9 W10 W11
W1

United States Senate elections, 1852 and 1853[edit]

D1
D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
D21 D20 D19 D18 D17 D16 D15 D14 D13 D12
D22 D23 D24 D25 D26 D27
Re-elected
D28
Re-elected
D29
Re-elected
D30
Re-elected
D31
Re-elected
Majority → D32
Hold
KN1
Gain
FS1 FS2 V1
D Loss
V2
D Loss
D36
Gain
D35
Gain
D34
Hold
D33
Hold
V3
W Loss
V4
W Loss
V5
W Loss
W18
Gain
W17
Hold
W16
Hold
W15
Re-elected
W14 W13 W12
W2 W3 W4 W5 W6 W7 W8 W9 W10 W11
W1

United States Senate elections, 1854 and 1855[edit]

D1
D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
D21 D20 D19 D18 D17 D16 D15 D14 D13 D12
D22 D23 D24 D25 D26
Re-elected
D27
Re-elected
D28
Re-elected
D29
Hold
D30
Gain
D31
Gain
Majority → D32
Gain
V2 V3 V4 V5
D Loss
V6
D Loss
V7
D Loss
V8
D Loss
V9
D Loss
D33
Gain
V1
W Loss
KN1 FS2
Gain
FS1 R3
Gain
R2
Gain
R1
Gain
W14
Hold
W13
Re-elected
W12
Re-elected
W2 W3 W4 W5 W6 W7 W8 W9 W10 W11
W1

United States Senate elections, 1856 and 1857[edit]

D1
D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
D21 D20 D19 D18 D17 D16 D15 D14 D13 D12
D22 D23 D24 D25 D26
Re-elected
D27
Re-elected
D28
Re-elected
D29
Re-elected
D30
Re-elected
D31
Re-elected
Majority → D32
Hold
FS1 KN1 KN2
Gain
V1
W Loss
V2 V3 V4 D34
Gain
D33
Hold
R15
Gain
R14
Re-elected
Diff. party
R13
Hold
R12
Re-elected
R11
Re-elected
R10 R9 R8 R7 R6
W2 W3 R1
Gain
R2
Gain
R3
Gain
R4
Gain
R5
Gain
R1 R2 R3
W1

United States Senate elections, 1858 and 1859[edit]

D3 D2 D1
D4 D5 D6 D7 D8 D9 D10 D11 D12 D13
D23 D22 D21 D20 D19 D18 D17 D16 D15 D14
D24 D25 D26
Re-elected
D27
Re-elected
D28
Re-elected
D29
Re-elected
D30
Re-elected
D31
Re-elected
D32
Re-elected
D33
Hold
Majority → D34
Hold
R24
Gain
R25
Gain
KN1 KN2 V1
D Loss
D38
Gain
D37
Gain
D36
Hold
D35
Hold
R23
Gain
R22
Gain
R21
Gain
R20
Re-elected
R19
Re-elected
R18
Re-elected
R17 R16 R15 R14
R4 R5 R6 R7 R8 R9 R10 R11 R12 R13
R3 R2 R1

United States Senate elections, 1860 and 1861[edit]

V3
D Loss
V2
D Loss
V1
D Loss
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10
D20 D19 D18 D17 D16 D15 D14 D13 D12 D11
D21 D23 D22 D24 D25
Re-elected
D26
Re-elected
D27
Hold
D28
Hold
D29
Hold
D30
Gain
Plurality ↑ KN1
R21
Re-elected
R22
Re-elected
R23
Re-elected
R24
Re-elected
R25
Hold
R26
Hold
R27
Gain
R28
Gain
R29
Gain
R20
Re-elected
R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10
V4
D Loss
V5
D Loss
V6
D Loss

United States Senate elections, 1862 and 1863[edit]

V4 V3 V2 V1
V5 V6 V7
No race
V8
No race
V9
No race
V10
No race
D1 D2 D3 D4
U4
Hold
U3 U2 U1 D10
Gain
D9
Hold
D8
Hold
D7
Re-elected
D6 D5
U5
Hold
UU1
Gain
R32
Gain
R31
Gain
R30
Re-elected
R29
Re-elected
R28
Hold
R27
Hold
R26
Re-elected
R25
Re-elected
Majority →
R15 R16 R17 R18 R19 R20 R21 R22
Re-elected
R23
Re-elected
R24
Re-elected
R14 R13 R12 R11 R10 R9 R8 R7 R6 R5
V16 V15 V14 V13 V12 V11 R1 R2 R3 R4
V17 V18 V19 V20

United States Senate elections, 1864 and 1865[edit]

V5
Seceded
V4
Seceded
V3
Seceded
V2 V1
V6
Seceded
V7
Seceded
V8
Seceded
V9
Seceded
V10
Seceded
V11
Seceded
D1 D2 D3 D4
UU2 UU3 UU4 U1 U2 D9
Gain
D8
Hold
D7
Re-elected
D6 D5
UU1 R33
Gain
R32
Gain
R31
Re-elected
new party
R30
Hold
R29
Hold
R28
Hold
R27
Re-elected
R26
Re-elected
R25
Re-elected
Majority →
R15 R16 R17 R18 R19 R20 R21 R22 R23
Re-elected
R24
Re-elected
R14 R13 R12 R11 R10 R9 R8 R7 R6 R5
V17 V16 V15 V14 V13 V12
U Loss
R1 R2 R3 R4
V18 V19 V20 V21 V22

United States Senate elections, 1866 and 1867[edit]

V6
Seceded
V5
Seceded
V4
Seceded
V3
Seceded
V2 V1
V7
Seceded
V8
Seceded
V9
Seceded
V10
Seceded
D1 D2 D3 D4 D5 D6
R37
Hold
R38
Gain
R39
Gain
UU1 U1 U2 D10
Gain
D9
Gain
D8 D7
R36
Hold
R35
Hold
R34
Hold
R33
Hold
R32
Hold
R31
Hold
R30
Hold
R29
Re-elected
R28
Re-elected
R17
Re-elected
Majority →
R17 R18 R19 R20 R21 R22 R23 R24 R25
Re-elected
R26
Re-elected
R16 R15 R14 R13 R12 R11 R10 R9 R8 R7
V14 V13 V12 V11 R1 R2 R3 R4 R5 R6
V15 V16 V17 V18 V19 V20

United States Senate elections, 1868 and 1869[edit]

D3 D2 D1 V4
Seceded
V3
Seceded
V2
Seceded
V1
D4 D5
Hold
D6
Hold
D7
Gain
D8
Gain
D9
Gain
R57
Gain
R56
Gain
R55
Gain
R54
Hold
R44
Re-elected
R45
Re-elected
R46
Re-elected
R47
Re-elected
R48
Hold
R49
Hold
R50
Hold
R51
Hold
R52
Hold
R53
Hold
R43
Re-elected
R42
Re-elected
R41
Re-elected
R40 R39 R38 R37 R36 R35 R34
Majority →
R24 R25 R26 R27 R28 R29 R30 R31 R32 R33
R23 R22 R21 R20 R19 R18 R17 R16 R15 R14
R4 R5 R6 R7 R8 R9 R10 R11 R12 R13
R3 R2 R1 V5 V6 V7 V8

United States Senate elections, 1870 and 1871[edit]

D7 D6 D5 D4 D3 D2 D1
D8
Hold
D9
Hold
D10
Hold
D11
Gain
D12
Gain
D13
Gain
D14
Gain
V1
D Loss
V2
R Loss
R58
Hold
R48
Re-elected
R49
Hold
R50
Hold
R51
Hold
R52
Hold
R53
Hold
R54
Hold
R55
Hold
R56
Hold
R57
Hold
R47
Re-elected
R46
Re-elected
R45
Re-elected
R44
Re-elected
R43
Re-elected
R42 R41 R40 R39 R38
Majority → R37
R28 R29 R30 R31 R32 R33 R34 R35 R36
R27 R26 R25 R24 R23 R22 R21 R20 R19 R18
R8 R9 R10 R11 R12 R13 R14 R15 R16 R17
R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1872 and 1873[edit]

D7 D6 D5 D4 D3 D2 D1
D8 D9 D10 D11 D12 D13 D14 D15
Hold
D16
Hold
D17
Hold
R48
Hold
R49
Hold
R50
Hold
R51
Hold
R52
Hold
R53
Hold
R54
Gain
V1
R Loss
D19
Gain
D18
Gain
R47
Hold
R46
Hold
R45
Hold
R44
Re-elected
R43
Re-elected
R42
Re-elected
R41
Re-elected
R40
Re-elected
R39
Re-elected
R38
Re-elected
Majority → R37
Re-elected
R28 R29 R30 R31 R32 R33 R34 R35 R36
R27 R26 R25 R24 R23 R22 R21 R20 R19 R18
R8 R9 R10 R11 R12 R13 R14 R15 R16 R17
R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1874 and 1875[edit]

D7 D6 D5 D4 D3 D2 D1
D8 D9 D10 D11 D12 D13 D14 D15
Re-elected
D16
Re-elected
D17
Hold
D27
Gain
D26
Gain
D25
Gain
D24
Gain
D23
Gain
D22
Gain
D21
Gain
D20
Gain
D19
Gain
D18
Hold
D28
Gain
AM1
Gain
V1 LR2 LR1 R42
Hold
R41
Hold
R40
Hold
R39
Hold
R38
Hold
Majority → R37
Hold
R28 R29 R30 R31 R32 R33
Re-elected
R34
Re-elected
R35
Hold
R36
Hold
R27 R26 R25 R24 R23 R22 R21 R20 R19 R18
R8 R9 R10 R11 R12 R13 R14 R15 R16 R17
R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1876 and 1877[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28
Hold
D27
Hold
D26
Hold
D25
Re-elected
D24
Re-elected
D23
Re-elected
D22
Re-elected
D21 D20 D19
D29
Hold
D30
Hold
D31
Gain
D32
Gain
D33
Gain
D34
Gain
D35
Gain
I1
Gain
AM1 R39
Hold
Majority →
R29
Re-elected
R30
Re-elected
R31
Re-elected
R32
Re-elected
R33
Re-elected
R34
Hold
R35
Hold
R36
Hold
R37
Hold
R38
Hold
R28 R27 R26 R25 R24 R23 R22 R21 R20 R19
R9 R10 R11 R12 R13 R14 R15 R16 R17 R18
R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1878 and 1879[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28 D27 D26 D25 D24 D23 D22 D21 D20 D19
D29
Re-elected
D30
Re-elected
D31
Hold
D32
Hold
D33
Hold
D34
Hold
D35
Hold
D36
Gain
D37
Gain
D38
Gain
Majority → D39
Gain
R29
Hold
R30
Hold
R31
Gain
V1
R loss
AM1 I1 D42
Gain
D41
Gain
D40
Gain
R28
Hold
R27
Re-elected
R26
Re-elected
R25
Re-elected
R24
Re-elected
R23
Re-elected
R22
Re-elected
R21 R20 R19
R9 R10 R11 R12 R13 R14 R15 R16 R17 R18
R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1880 and 1881[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28 D27 D26 D25 D24 D23 D22 D21 D20 D19
D29
Re-elected
D30
Re-elected
D31
Re-elected
D33
Re-elected
D33
Hold
D34
Hold
D35
Hold
D36
Gain
D37
Gain
I1
Plurality ↓ RA1
Gain
R29
Hold
R30
Hold
R31
Gain
R32
Gain
R33
Gain
R34
Gain
R35
Gain
R36
Gain
R37
Gain
R28
Hold
R27
Hold
R26
Re-elected
R25
Re-elected
R24
Re-elected
R23
Re-elected
R22 R21 R20 R19
R9 R10 R11 R12 R13 R14 R15 R16 R17 R18
R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1882 and 1883[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28
Re-elected
D27
Re-elected
D26
Re-elected
D25
Re-elected
D24
Re-elected
D23 D22 D21 D20 D19
D29
Re-elected
D30
Re-elected
D31
Re-elected
D32
Re-elected
D33
Re-elected
D34
Hold
D35
Hold
D36
Gain
V1
R Loss
RA2
Gain
Majority, with Readjusters in caucus ↓ RA1
R29
Re-elected
R30
Re-elected
R31
Hold
R32
Hold
R33
Hold
R34
Hold
R35
Hold
R36
Gain
R37
Gain
R28
Re-elected
R27
Re-elected
R26 R25 R24 R23 R22 R21 R20 R19
R9 R10 R11 R12 R13 R14 R15 R16 R17 R18
R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1884 and 1885[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28
Re-elected
D27
Re-elected
D26
Re-elected
D25
Re-elected
D24
Re-elected
D23
Re-elected
D22 D21 D20 D19
D29
Re-elected
D30
Hold
D31
Hold
D32
Hold
D33
Hold
D34
Hold
V1
D Loss
V2
R Loss
V3
R Loss
RA1
Majority due to three vacancies ↓ RA2
R29
Re-elected
R30
Re-elected
R31
Re-elected
R32
Re-elected
R33
Re-elected
R34
Hold
R35
Hold
R36
Hold
R37
Gain
R28
Re-elected
R27 R26 R25 R24 R23 R22 R21 R20 R19
R9 R10 R11 R12 R13 R14 R15 R16 R17 R18
R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1886 and 1887[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28
Re-elected
D27
Re-elected
D26
Re-elected
D25 D24 D23 D22 D21 D20 D19
D29
Re-elected
D30
Hold
D31
Hold
D32
Hold
D33
Gain from RA
D34
Gain from R
D35
Gain from R
D36
Gain from R
V1
D Loss
RA2
Majority due to vacancy→ R38
Gain from D
R29
Re-elected
R30
Re-elected
R31
Re-elected
R32
Re-elected
R33
Hold
R34
Hold
R35
Hold
R36
Hold
R37
Hold
R28
Re-elected
R27
Re-elected
R26
Re-elected
R25 R24 R23 R22 R21 R20 R19
R9 R10 R11 R12 R13 R14 R15 R16 R17 R18
R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1888 and 1889[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1890[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1892[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1894[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1896[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1898[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1900[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1902[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1904[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1906[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1908[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1910[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1912 and 1913[edit]

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
D38 O* D37 √ D36 √ D35 √ D34 √ D33 √ D32 √ D31 D30 D29
D39 O D40 O D41 O D42 O D43 + D44 + (D45 +)* D46 + D47 + (D48 +)*
Majority →
R38 √ R39 O R40 O R41 O R42 O (R43 +)* R44 + D51 + D50 + D49 +
R37 √ R36 √ R35 √ R34 √ R33 √ R32 R31 R30 R29 R28
R18 + (R19)* R20 R21 R22 R23 R24 R25 R26 R27
R17 R16 R15 R14 R13 R12 R11 R10 R9 R8
P1 R1 R2 R3 R4 R5 R6 R7

United States Senate elections, 1914[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1916 and 1917[edit]

  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
D38
Re-elected
D37 D36 D35 D34 D33 D32 D31 D30 D29
D39
Re-elected
D40
Re-elected
D41
Re-elected
D42
Re-elected
D43
Re-elected
D44
Re-elected
D45
Re-elected
D46
Re-elected
D47
Hold
D48
Hold
Majority → D49
Gain
R39
Gain
R40
Gain
R41 R42 D54 D53
Gain
D52
Gain
D51
Gain
D50
Gain
R38
Gain
R37
Gain
R36
Gain
R35
Gain
R34
Hold
R33
Hold
R32
Hold
R31
Re-elected
R30
Re-elected
R29
Re-elected
R19 R20 R21 R22 R23 R24 R25
Re-elected
R26
Re-elected
R27
Re-elected
R28
Re-elected
R18 R17 R16 R15 R14 R13 R12 R11 R10 R9
R1 R2 R3 R4 R5 R6 R7 R8

United States Senate elections, 1918[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1920[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1922[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1924[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1926[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1928[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1930[edit]

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
D38 O D37 O D36 O D35 O D34 O D33 D32 D31 D30 D29
D39 + D40 + D41 + D42 + D43 + D44 + D45 + D46 + D47 + FL1
Majority (with Vice President's vote)→ R48 +
R39 R40 R41 R42 R43 R44 O R45 O R46 O R47 O
R38 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

United States Senate elections, 1932[edit]

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
D38 D37 D36 D35 D34 D33 D32 D31 D30 D29
D39 D40 D41 D42 D43 D44 O D45 O D46 O D47 O D48 O
Majority → D49 +
D50 + D51 + D52 + D53 + D54 + D55 + D56 + D57 + D58 +
D59 + FL1 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

United States Senate elections, 1934[edit]

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
D38 D37 D36 D35 D34 D33 D32 D31 D30 D29
D39 D40 D41 D42 D43 D44 D45 D46 D47 D48
Majority → D49
D58 O D57 O D56 D55 D54 D53 D52 D51 D50
D59 O D60 O D61 + D62 + D63 + D64 + D65 + D66 + D67 + D68 +
R19 R20 R21 R22 R23 R24 R25 P1 + FL1 D69 +
R18 R17 R16 R15 R14 R13 R12 R11 R10 R9
R1 R2 R3 R4 R5 R6 R7 R8

United States Senate elections, 1936[edit]

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
D38 D37 D36 D35 D34 D33 D32 D31 D30 D29
D39 D40 D41 D42 D43 D44 D45 D46 D47 D48
Majority → D49
D58 D57 D56 D55 D54 D53 D52 D51 D50
D59 D60 D61 D62 D63 D64 O D65 O D66 O D67 O D68 O
FL2 O I1 @ V1 + D75 + D74 + D73 + D72 + D71 + D70 + D69 +
R16 O R15 R14 R13 R12 R11 R10 R9 R8 R7
FL1 P1 R1 R2 R3 R4 R5 R6

United States Senate elections, 1938[edit]

  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
D38 D37 D36 D35 D34 D33 D32 D31 D30 D29
D39 D40 D41 D42 D43 D44 D45 D46 D47 D48
Majority → D49
Re-elected
D58
Re-elected
D57
Hold
D56
Re-elected
D55
Re-elected
D54
Re-elected
D53
Re-elected
D52
Hold
D51
Re-elected
D50
Re-elected
D59
Re-elected
D60
Re-elected
D61
Re-elected
D62
Re-elected
D63
Re-elected
D64
Re-elected
D65
Re-elected
D66
Re-elected
D67
Re-elected
D68
Hold
R19
Gain
R20
Gain
R21
Gain
R22
Gain
P1 FL1 FL2 I1 D70
Re-elected
D69
Re-elected
R18
Gain
R17
Gain
R16
Gain
R15
Re-elected
R14
Re-elected
R13
Re-elected
R12 R11 R10 R9
R1 R2 R3 R4 R5 R6 R7 R8

United States Senate elections, 1940[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28 D27 D26 D25 D24 D23 D22 D21 D20 D19
D29 D30 D31 D32 D33 D34 D35 D36 D37 D38
D48 D47 D46 D45 D44 D43 D42 D41 D40 D39
D49 ← Majority
D50 D51 D52 D53 D54 D55 D56 D57 D58
R27+ R28+ D66+ D65O D64O D63O D62O D61 D60 D59
R26+ R25+ R24@ R23O R22O R21O R20 R19 R18 R17
R7 R8 R9 R10 R11 R12 R13 R14 R15 R16
R6 R5 R4 R3 R2 R1 I1 P1

United States Senate elections, 1942[edit]

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
D38 D37 D36 D35 D34 D33 D32 D31 D30 D29
D39 D40 D41 D42 D43 D44 D45 D46 D47 D48
Majority →
D58O D57O D56O D55 D54 D53 D52 D51 D50 D49
R37+ R36+ R35+ R34+ R33+ R32+ R31+ R30+ R29+ R28+
R18 R19 R20 R21 R22 R23 R24 R25 R26 R27O
R17 R16 R15 R14 R13 R12 R11 R10 R9 R8
P1 R1 R2 R3 R4 R5 R6 R7

United States Senate elections, 1944[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28 D27 D26 D25 D24 D23 D22 D21 D20 D19
D29 D30 D31 D32 D33 D34 D35 D36 D37 D38
D48 D47 D46 D45 D44 D43 D42 D41 D40 D39
D49 ← Majority
D50O D51O D52O D53O D54O D55+ D56+ D57+ R38+
R28 R29 R30 R31 R32 R33O R34O R35+ R36+ R37+
R27 R26 R25 R24 R23 R22 R21 R20 R19 R18
R8 R9 R10 R11 R12 R13 R14 R15 R16 R17
R7 R6 R5 R4 R3 R2 R1 P1

United States Senate elections, 1946[edit]

D8 D7 D6 D5 D4 D3 D2 D1
D9 D10 D11 D12 D13 D14 D15 D16 D17 D18
D28 D27 D26 D25 D24 D23 D22 D21 D20 D19
D29 D30 D31 D32 D33 D34 D35 D36 D37 D38
R49+ R50+ R51+ D45O D44O D43O D42O D41 D40 D39
← Majority
R48+ R47+ R46+ R45+ R44+ R43+ R42+ R41+ R40+ R39O
R29 R30 R31 R32 R33 R34 R35O R36O R37O R38O
R28 R27 R26 R25 R24 R23 R22 R21 R20 R19
R9 R10 R11 R12 R13 R14 R15 R16 R17 R18
R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1948 and 1949[edit]

  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
D38
Re-elected
D37
Re-elected
D36
Re-elected
D35
Re-elected
D34
Re-elected
D33
Re-elected
D32
Re-elected
D31 D30 D29
D39
Re-elected
D40
Re-elected
D41
Re-elected
D42
Hold
D43
Hold
D44
Hold
D45
Hold
D46
Gain
D47
Gain
D48
Gain
Majority → D49
Gain
R39
Hold
R40
Hold
R41
Hold
R42
Hold
D54
Gain
D53
Gain
D52
Gain
D51
Gain
D50
Gain
R38
Re-elected
R37
Re-elected
R36
Re-elected
R35
Re-elected
R34
Re-elected
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

United States Senate elections, 1950[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1952[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1954[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1956 and 1957[edit]

  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
D38
Re-elected
D37
Re-elected
D36
Re-elected
D35
Re-elected
D34 D33 D32 D31 D30 D29
D39
Re-elected
D40
Re-elected
D41
Re-elected
D42
Re-elected
D43
Re-elected
D44
Re-elected
D45
Re-elected
D46
Re-elected
D47
Hold
D48
Gain
Majority → D49
Gain
R39
Re-elected
R40
Re-elected
R41
Re-elected
R42
Re-elected
R43
Re-elected
R44
Gain
R45
Gain
D51
Gain
D50
Gain
R38
Re-elected
R37
Re-elected
R36
Re-elected
R35
Re-elected
R34
Re-elected
R33
Re-elected
R32
Re-elected
R31
Re-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

United States Senate elections, 1958 and 1959[edit]

  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
D38
Re-elected
D37 D36 D35 D34 D33 D32 D31 D30 D29
D39
Re-elected
D40
Re-elected
D41
Re-elected
D42
Re-elected
D43
Re-elected
D44
Re-elected
D45
Re-elected
D46
Re-elected
D47
Re-elected
D48
Re-elected
Majority → D49
Re-elected
D58
Gain
D57
Gain
D56
Gain
D55
Gain
D54
Gain
D53
Gain
D52
Gain
D51
Gain
D50
Gain
D59
Gain
D60
Gain
D61
Gain
R35
Hold
R34
Hold
R33
Hold
R32
Re-elected
R31
Re-elected
R30
Re-elected
R29
Re-elected
R19 R20 R21 R22 R23 R24 R25 R26 R27 R28
Re-elected
R18 R17 R16 R15 R14 R13 R12 R11 R10 R9
R1 R2 R3 R4 R5 R6 R7 R8

United States Senate elections, 1960[edit]

D10 D9 D8 D7 D6 D5 D4 D3 D2 D1
D11 D12 D13 D14 D15 D16 D17 D18 D19 D20
D30 D29 D28 D27 D26 D25 D24 D23 D22 D21
D31 D32 D33 D34 D35 D36 D37 D38 D39 D40
D50 D49 D48 D47 D46 D45 D44 D43 D42 D41
D51 ← Majority
D52 D53 D54 D55 D56 D57 D58 D59 D60
R31 R32 R33 R34O R35+ R36+ D64+ D63O D62O D61O
R30 R29 R28 R27 R26 R25 R24 R23 R22 R21
R11 R12 R13 R14 R15 R16 R17 R18 R19 R20
R10 R9 R8 R7 R6 R5 R4 R3 R2 R1

United States Senate elections, 1962[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1964[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1966[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1968[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1970[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1972[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1974[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1976[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1978[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1980[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1982[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1984[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1986[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1988[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1990[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1992[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1994[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1996[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 1998[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 2000[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 2002[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 2004[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 2006[edit]

[Data unknown/missing. You can help!]

United States Senate elections, 2008[edit]

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
Re-elected
D39
Re-elected
D38
Re-elected
D37 D36 D35 D34 D33 D32 D31
D41
Re-elected
D42
Re-elected
D43
Re-elected
D44
Re-elected
D45
Re-elected
D46
Re-elected
D47
Re-elected
D48
Re-elected
D49
Re-elected
D50
Gain
Majority → D51
Gain
R41
Hold
I2 I1 D57
Gain
D56
Gain
D55
Gain
D54
Gain
D53
Gain
D52
Gain
R40
Hold
R39
Re-elected
R38
Re-elected
R37
Re-elected
R36
Re-elected
R35
Re-elected
R34
Re-elected
R33
Re-elected
R32
Re-elected
R31
Re-elected
R21 R22 R23 R24 R25 R26 R27
Re-elected
R28
Re-elected
R29
Re-elected
R30
Re-elected
R20 R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

United States Senate elections, 2010[edit]

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
Re-elected
D39
Re-elected
D38 D37 D36 D35 D34 D33 D32 D31
D41
Re-elected
D42
Re-elected
D43
Re-elected
D44
Re-elected
D45
Re-elected
D46
Re-elected
D47
Re-elected
D48
Re-elected
D49
Hold
D50
Hold
Majority →
R41
Hold
R42
Gain
R43
Gain
R44
Gain
R45
Gain
R46
Gain
R47
Gain
I2 I1 D51
Hold
R40
Hold
R39
Hold
R38
Hold
R37
Hold
R36
Hold
R35
Hold
R34
Re-elected
R33
Re-elected
R32
Re-elected
R31
Re-elected
R21 R22 R23 R24
Re-elected
R25
Re-elected
R26
Re-elected
R27
Re-elected
R28
Re-elected
R29
Re-elected
R30
Re-elected
R20 R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

United States Senate elections, 2012 and 2013[edit]

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
Re-elected
D39
Re-elected
D38
Re-elected
D37
Re-elected
D36
Re-elected
D35
Re-elected
D34
Re-elected
D33
Re-elected
D32
Re-elected
D31
Re-elected
D41
Re-elected
D42
Re-elected
D43
Re-elected
D44
Re-elected
D45
Re-elected
D46
Hold
D47
Hold
D48
Hold
D49
Hold
D50
Hold
Majority →
R41
Re-elected
R42
Re-elected
R43
Hold
R44
Hold
R45
Gain
I2
Gain
I1
Re-elected
D53
Gain
D52
Gain
D51
Gain
R40
Re-elected
R39
Re-elected
R38
Re-elected
R37 R36 R35 R34 R33 R32 R31
R21 R22 R23 R24 R25 R26 R27 R28 R29 R30
R20 R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

United States Senate elections, 2014[edit]

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
Re-elected
D39
Re-elected
D38
Re-elected
D37
Re-elected
D36
Re-elected
D35
Re-elected
D34
Re-elected
D33
Re-elected
D32 D31
D41
Re-elected
D42
Re-elected
D43
Re-elected
D44
Hold
I1 I2 R54
Gain
R53
Gain
R52
Gain
R51
Gain
Majority →
R41
Re-elected
R42
Re-elected
R43
Hold
R44
Hold
R45
Hold
R46
Gain
R47
Gain
R48
Gain
R49
Gain
R50
Gain
R40
Re-elected
R39
Re-elected
R38
Re-elected
R37
Re-elected
R36
Re-elected
R35
Re-elected
R34
Re-elected
R33
Re-elected
R32
Re-elected
R31
Re-elected
R21 R22 R23 R24 R25 R26 R27 R28 R29 R30
R20 R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

United States Senate elections, 2016[edit]

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
TBD TBD TBD TBD I2 I1 D34 D33 D32 D31
TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD
Majority →
TBD
TBD TBD TBD TBD TBD TBD TBD TBD TBD
TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD
R21 R22 R23 R24 R25 R26 R27 R28 R29 R30
R20 R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

See also[edit]

References[edit]

  1. ^ a b c Martis, Kenneth C. The Historical Atlas of Political Parties in the United States Congress.