From Wikipedia, the free encyclopedia
Wikipedia list article
The following table shows regularly-scheduled United States Senate elections by region. The table does not include appointments or special elections .
Legend [ ]
Label
Party
Label
Party
Label
Party
Label
Party
Label
Party
PA
Pro-Administration Faction
AJ
Anti-Jacksonian
FS
Free Soil Party
SR
Silver Republican Party
—
No regularly-scheduled election
AA
Anti-Administration Faction
D
Democratic Party
A
American Party
FL
Farmer-Labor Party
I
Independent
F
Federalist Party
R
Republican Party
Po
Populist Party
Sp
Split result[1]
DR
Democratic-Republican Party
Nu
Nullifier Party
U
Unionists [2]
J
Jacksonites
W
Whig Party
Ra
Readjuster Party
Northeast [ ]
First Party System
Second Party System
Third Party System
Fourth Party System
Fifth Party System
Sixth Party System [3]
State
1789
1789
1790
1792
1794
1796
1798
1800
1802
1804
1806
1808
1810
1812
1814
1816
1818
1820
1822
1824
1826
State
1828
1830
1832
1834
1836
1838
1840
1842
1844
1846
1848
1850
1852
1854
State
1856
1858
1860
1862
1864
1866
1868
1870
1872
1874
1876
1878
1880
1882
1884
1886
1888
1890
1892
1894
State
1896
1898
1900
1902
1904
1906
1908
1910
1912
1914
1916
1918
1920
1922
1924
1926
1928
1930
State
1932
1934
1936
1938
1940
1942
1944
1946
1948
1950
1952
1954
1956
1958
1960
1962
1964
1966
State
1968
1970
1972
1974
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
State
Connecticut
PA
PA
PA
—
F
F
—
F
F
—
F
F
—
F
F
—
DR
DR
—
AJ
AJ
Connecticut
—
AJ
AJ
—
D
W
—
D
W
—
W
D
—
R
Connecticut
R
—
R
R
—
R
R
—
LR
D
—
R
R
—
R
R
—
R
R
—
Connecticut
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
Connecticut
D
D
—
R
D
—
D
R
—
D
R
—
R
D
—
D
D
—
Connecticut
D
R
—
D
R
—
D
R
—
D
D
—
D
D
—
D
D
—
D
I
—
D
D
—
D
D
—
Connecticut
Maine
Part of Massachusetts
Part of Massachusetts
2DR
DR
—
J
Maine
AJ
—
D
D
—
D
W
—
D
D
—
D
W
—
Maine
D
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Maine
—
R
R
—
R
R
—
D
R
—
R
R
—
R
R
—
R
R
Maine
—
R
R
—
R
R
—
R
R
—
R
R
—
D
R
—
D
R
Maine
—
D
D
—
D
R
—
D
R
—
D
R
—
R
R
—
R
R
—
R
R
—
I
R
—
I
R
Maine
Massachusetts
PA
PA
PA
PA
—
F
F
—
F
F
—
F
DR
—
F
F
—
F
F
—
AJ
Massachusetts
AJ
—
AJ
W
—
W
W
—
W
W
—
FS
W
—
Massachusetts
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Massachusetts
—
R
R
—
R
R
—
R
R
—
R
D
—
R
R
—
D
D
Massachusetts
—
D
R
—
D
R
—
R
R
—
D
R
—
D
R
—
D
R
Massachusetts
—
D
R
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Massachusetts
New Hampshire
AA
AA
—
PA
DR
—
F
F
—
DR
DR
—
DR
F
—
DR
DR
—
DR
J
—
New Hampshire
AJ
D
—
D
D
—
D
D
—
FS
D
—
D
R
New Hampshire
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
New Hampshire
R
—
R
R
—
R
R
—
D
R
—
R
R
—
R
R
—
R
New Hampshire
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
D
New Hampshire
R
—
D
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
D
R
—
D
D
—
D
New Hampshire
New Jersey
PA
PA
F
F
—
F
F
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
AJ
New Jersey
AJ
—
AJ
D
—
W
W
—
W
W
—
D
D
—
New Jersey
D
R
—
D
D
—
D
R
—
D
D
—
R
D
—
D
D
—
D
R
New Jersey
—
R
R
—
R
R
—
D
D
—
R
R
—
D
R
—
R
R
New Jersey
—
D
D
—
R
R
—
R
R
—
R
R
—
D
R
—
D
R
New Jersey
—
D
R
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
New Jersey
New York
PA
PA
AA
—
F
F
—
DR
DR
—
DR
DR
—
F
DR
—
F
DR
—
AJ
J
New York
—
D
D
—
D
D
—
D
W
—
W
W
—
R
New York
R
—
R
R
—
R
R
—
R
D
—
R
R
—
R
R
—
D
D
—
New York
R
R
—
R
R
—
R
D
—
R
R
—
R
D
—
D
D
—
New York
D
D
—
D
D
—
D
R
—
D
R
—
R
R
—
R
D
—
New York
R
C
—
R
D
—
R
D
—
R
D
—
R
D
—
D
D
—
D
D
—
D
D
—
D
D
—
New York
Pennsylvania
AA
PA
AA
—
F
F
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
AJ
J
Pennsylvania
—
D
D
—
D
D
—
D
D
—
W
D
—
D
Pennsylvania
R
—
R
D
—
R
R
—
R
D
—
R
R
—
R
R
—
R
R
—
Pennsylvania
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
Pennsylvania
R
D
—
R
D
—
D
R
—
R
R
—
D
R
—
D
R
—
Pennsylvania
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
D
—
R
D
—
R
D
—
Pennsylvania
Rhode Island
PA
AA
PA
PA
—
F
F
—
DR
DR
—
F
DR
—
F
F
—
DR
DR
—
AJ
Rhode Island
AJ
—
AJ
W
—
W
W
—
W
W
—
D
D
—
Rhode Island
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Rhode Island
—
R
R
—
R
R
—
R
R
—
D
R
—
D
R
—
R
R
Rhode Island
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Rhode Island
—
D
D
—
R
D
—
R
D
—
R
D
—
R
D
—
R
D
—
D
D
—
D
D
—
D
D
Rhode Island
Vermont
2AA
—
F
F
—
F
DR
—
DR
DR
—
DR
F
—
DR
DR
—
AJ
AJ
Vermont
—
AJ
AJ
—
W
W
—
W
W
—
W
W
—
W
Vermont
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
Vermont
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
Vermont
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
Vermont
R
R
—
D
R
—
D
R
—
D
R
—
D
R
—
D
R
—
D
I
—
D
I
—
D
I
—
Vermont
State
1st
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th
13th
14th
15th
16th
17th
18th
19th
20th
State
21st
22nd
23rd
24th
25th
26th
27th
28th
29th
30th
31st
32nd
33rd
34th
State
35th
36th
37th
38th
39th
40th
41st
42nd
43rd
44th
45th
46th
47th
48th
49th
50th
51st
52nd
53rd
54th
State
55th
56th
57th
58th
59th
60th
61st
62nd
63rd
64th
65th
66th
67th
68th
69th
70th
71st
72nd
State
73rd
74th
75th
76th
77th
78th
79th
80th
81st
82nd
83rd
84th
85th
86th
87th
88th
89th
90th
State
91st
92nd
93rd
94th
95th
96th
97th
98th
99th
100th
101st
102nd
103rd
104th
105th
106th
107th
108th
109th
110th
111th
112th
113th
114th
115th
116th
117th
State
South [ ]
First Party System
Second Party System
Third Party System
Civil War and Reconstruction
Third Party System
Fourth Party System
Fifth Party System
Sixth Party System [3]
State
1789
1789
1790
1792
1794
1796
1798
1800
1802
1804
1806
1808
1810
1812
1814
1816
1818
1820
1822
1824
1826
State
1828
1830
1832
1834
1836
1838
1840
1842
1844
1846
1848
1850
1852
1854
State
1856
1858
1860
1862
1864
1866
1868
1870
1872
1874
1876
1878
1880
1882
1884
1886
1888
1890
1892
1894
State
1896
1898
1900
1902
1904
1906
1908
1910
1912
1914
1916
1918
1920
1922
1924
1926
1928
1930
State
1932
1934
1936
1938
1940
1942
1944
1946
1948
1950
1952
1954
1956
1958
1960
1962
1964
1966
State
1968
1970
1972
1974
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
State
Alabama
2DR
—
DR
J
—
Alabama
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Alabama
—
D
—
—
—
—
2R
D
R
—
D
D
—
D
D
—
D
D
—
D
Alabama
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Alabama
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Alabama
D
—
D
D
—
D
R
—
D
D
—
D
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Alabama
Arkansas
Arkansas
2D
—
D
D
—
D
D
—
D
D
Arkansas
—
D
D
—
—
—
2R
R
R
—
D
D
—
D
D
—
D
D
—
D
Arkansas
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Arkansas
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Arkansas
D
—
D
D
—
D
D
—
D
D
—
D
D
—
R
D
—
D
D
—
D
R
—
R
R
—
R
Arkansas
Delaware
PA
AA
PA
PA
—
F
F
—
F
F
—
F
F
—
F
F
—
F
F
—
J
Delaware
AJ
—
AJ
W
—
W
W
—
W
W
—
D
W
—
Delaware
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
R
—
D
D
Delaware
—
R
R
—
R
R
—
R
D
—
D
R
—
D
R
—
R
R
Delaware
—
R
D
—
D
R
—
R
D
—
R
D
—
R
R
—
R
R
Delaware
—
R
D
—
R
D
—
R
D
—
R
D
—
R
D
—
D
D
—
D
D
���
D
D
—
D
D
Delaware
Florida
Florida
2D
—
W
D
—
D
Florida
D
—
—
—
—
—
2R
—
R
D
—
D
D
—
D
D
—
D
D
—
Florida
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
Florida
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
Florida
R
D
—
D
D
—
R
D
—
D
R
—
D
R
—
D
D
—
R
D
—
R
D
—
R
R
—
Florida
Georgia
AA
AA
—
AA
F
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
J
—
Georgia
D
D
—
D
D
—
W
D
—
W
W
—
D
D
Georgia
—
D
—
—
—
R
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Georgia
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Georgia
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Georgia
D
—
D
D
—
D
R
—
D
D
—
D
R
—
D
R
—
R
R
—
R
R
—
R
R
—
Georgia
Kentucky
Part of Virginia
2AA
F
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
J
—
Kentucky
D
AJ
—
W
W
—
W
W
—
W
W
—
W
W
Kentucky
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Kentucky
R
—
D
D
—
D
R
—
D
D
—
D
R
—
R
D
—
D
Kentucky
D
—
D
D
—
D
D
—
D
D
—
D
R
—
R
R
—
R
Kentucky
R
—
D
D
—
D
D
—
R
D
—
R
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Kentucky
Louisiana
2DR
—
DR
DR
—
DR
AJ
—
Louisiana
D
D
—
D
D
—
W
W
—
D
D
—
W
D
Louisiana
—
D
—
—
—
—
2R
R
D
—
R
D
—
D
D
—
D
D
—
D
Louisiana
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Louisiana
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
Louisiana
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
R
—
D
R
—
R
R
—
R
Louisiana
Maryland
PA
PA
PA
—
F
F
—
DR
DR
—
DR
DR
—
F
F
—
DR
DR
—
J
J
Maryland
—
AJ
AJ
—
W
W
—
W
W
—
W
W
—
W
Maryland
A
—
D
U
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
Maryland
R
R
—
D
D
—
D
D
—
D
R
—
R
D
—
D
R
—
Maryland
D
D
—
D
D
—
D
D
—
R
R
—
R
R
—
D
D
—
Maryland
R
R
—
R
D
—
R
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
Maryland
Mississippi
2DR
—
DR
DR
—
J
Mississippi
D
—
AJ
D
—
W
D
—
D
D
—
D
D
—
Mississippi
D
D
—
—
—
—
—
2R
—
R
D
—
D
D
—
D
D
—
D
D
Mississippi
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Mississippi
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Mississippi
—
D
D
—
D
R
—
D
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Mississippi
North Carolina
PA
PA
—
AA
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
J
—
North Carolina
D
D
—
D
D
—
W
D
—
W
W
—
D
D
North Carolina
—
D
D
—
—
—
2R
D
D
—
D
D
—
D
D
—
D
D
—
Po
North Carolina
R
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
North Carolina
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
North Carolina
D
—
R
D
—
R
R
—
R
D
—
R
R
—
R
D
—
R
R
—
D
R
—
R
R
—
R
North Carolina
Oklahoma
Oklahoma
Oklahoma
Oklahoma
2D
D
—
D
D
—
D
R
—
R
D
—
D
Oklahoma
D
—
D
D
—
R
D
—
D
D
—
D
D
—
D
D
—
D
Oklahoma
R
—
R
R
—
D
R
—
D
R
—
D
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Oklahoma
South Carolina
PA
PA
—
AA
F
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
J
—
South Carolina
D
Nu
—
Nu
W
—
D
D
—
D
D
—
D
D
South Carolina
—
D
—
—
—
—
2R
R
R
—
D
D
—
D
D
—
D
D
—
D
South Carolina
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
South Carolina
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
R
South Carolina
D
—
R
D
—
R
D
—
R
D
—
R
D
—
R
D
—
R
R
—
R
R
—
R
R
—
R
South Carolina
Tennessee
2DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
J
Tennessee
D
—
D
W
—
D
W
—
D
W
—
W
W
—
Tennessee
D
D
—
—
—
Sp
R
D
—
D
D
—
D
D
—
D
D
—
D
D
Tennessee
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Tennessee
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
R
Tennessee
—
R
R
—
D
R
—
D
D
—
D
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Tennessee
Texas
Texas
2D
—
D
D
—
Texas
D
D
—
—
—
—
—
2R
—
D
D
—
D
D
—
D
D
—
D
D
Texas
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Texas
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
R
Texas
—
D
R
—
D
R
—
D
R
—
D
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Texas
Virginia
AA
AA
AA
AA
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
DR
DR
—
J
Virginia
D
—
AJ
W
—
W
W
—
D
D
—
D
D
—
Virginia
D
D
—
U [4]
N[5]
—
—
Sp
—
D
D
—
Ra
Ra
—
D
D
—
D
D
Virginia
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Virginia
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Virginia
—
I
R
—
I
R
—
R
R
—
D
R
—
D
R
—
R
R
—
D
D
—
D
D
—
D
D
Virginia
West Virginia
Part of Virginia
Part of Virginia
West Virginia
Part of Virginia
West Virginia
2U
R
—
R
D
—
D
D
—
D
D
—
D
D
—
D
R
West Virginia
—
R
R
—
R
R
—
D
R
—
R
R
—
D
R
—
R
D
West Virginia
—
D
D
—
D
R
—
D
D
—
D
D
—
D
D
—
D
D
West Virginia
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
R
—
D
R
West Virginia
State
1st
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th
13th
14th
15th
16th
17th
18th
19th
20th
State
21st
22nd
23rd
24th
25th
26th
27th
28th
29th
30th
31st
32nd
33rd
34th
State
35th
36th
37th
38th
39th
40th
41st
42nd
43rd
44th
45th
46th
47th
48th
49th
50th
51st
52nd
53rd
54th
State
55th
56th
57th
58th
59th
60th
61st
62nd
63rd
64th
65th
66th
67th
68th
69th
70th
71st
72nd
State
73rd
74th
75th
76th
77th
78th
79th
80th
81st
82nd
83rd
84th
85th
86th
87th
88th
89th
90th
State
91st
92nd
93rd
94th
95th
96th
97th
98th
99th
100th
101st
102nd
103rd
104th
105th
106th
107th
108th
109th
110th
111th
112th
113th
114th
115th
116th
117th
State
Midwest [ ]
First Party System
Second Party System
Third Party System
Fourth Party System
Fifth Party System
Sixth Party System [3]
State
1802
1804
1806
1808
1810
1812
1814
1816
1818
1820
1822
1824
1826
State
1828
1830
1832
1834
1836
1838
1840
1842
1844
1846
1848
1850
1852
1854
State
1856
1858
1860
1862
1864
1866
1868
1870
1872
1874
1876
1878
1880
1882
1884
1886
1888
1890
1892
1894
State
1896
1898
1900
1902
1904
1906
1908
1910
1912
1914
1916
1918
1920
1922
1924
1926
1928
1930
State
1932
1934
1936
1938
1940
1942
1944
1946
1948
1950
1952
1954
1956
1958
1960
1962
1964
1966
State
1968
1970
1972
1974
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
State
Illinois
2DR
—
DR
J
—
Illinois
D
D
—
D
D
—
D
D
—
D
D
—
D
D
Illinois
—
D
R
—
R
R
—
R
R
—
I
R
—
R
R
—
R
D
—
R
Illinois
R
—
R
R
—
R
R
—
D
R
—
R
R
—
R
R
—
D
Illinois
D
—
D
D
—
R
D
—
D
R
—
D
R
—
D
R
—
R
Illinois
R
—
R
D
—
R
D
—
D
D
—
D
D
—
D
R
—
D
D
—
D
R
—
D
D
—
D
Illinois
Indiana
2DR
DR
DR
—
AJ
AJ
Indiana
—
AJ
D
—
W
W
—
D
D
—
D
D
—
D
Indiana
D
—
R
D
—
R
R
—
R
D
—
D
R
—
D
D
—
D
D
—
Indiana
R
R
—
R
R
—
D
D
—
D
R
—
R
D
—
R
R
—
Indiana
D
D
—
D
R
—
R
R
—
R
R
—
R
D
—
D
D
—
Indiana
D
D
—
D
R
—
R
R
—
R
R
—
R
R
—
D
R
—
D
R
—
R
D
—
R
R
—
Indiana
Iowa
Iowa
2D
—
D
FS
Iowa
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Iowa
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Iowa
D
—
D
D
—
R
R
—
D
R
—
R
R
—
R
R
—
R
Iowa
D
—
D
D
—
R
R
—
D
R
—
D
R
—
D
R
—
D
R
—
D
R
—
R
R
—
R
Iowa
Kansas
Kansas
Kansas
2R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Po
—
R
Kansas
Po
—
R
R
—
R
R
—
D
R
—
R
R
—
R
R
—
R
Kansas
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Kansas
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Kansas
Michigan
Michigan
2D
W
—
D
D
—
D
D
—
Michigan
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Michigan
—
R
R
—
R
R
—
R
R
—
R
R
—
D
R
—
R
R
Michigan
—
R
D
—
R
R
—
R
R
—
R
D
—
D
D
—
D
R
Michigan
—
D
R
—
D
D
—
D
D
—
D
D
—
R
D
—
D
D
—
D
D
—
D
D
—
D
D
Michigan
Minnesota
Minnesota
Minnesota
Sp[6]
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Minnesota
—
R
R
—
R
R
—
R
R
—
R
R
—
FL
R
—
FL
R
Minnesota
—
FL
FL
—
R
R
—
R
D
—
R
D
—
D
D
—
D
D
Minnesota
—
D
D
—
D
R
—
R
R
—
R
D
—
R
D
—
D
R
—
D
D
—
D
D
—
D
D
Minnesota
Missouri
2DR
—
AJ
J
Missouri
—
D
D
—
D
D
—
D
D
—
D
W
—
D
Missouri
D
—
D
U
—
R
R
—
D
D
—
D
D
—
D
D
—
D
D
—
Missouri
D
D
—
D
R
—
D
D
—
D
D
—
R
D
—
D
R
—
Missouri
D
D
—
D
D
—
R
R
—
D
D
—
D
D
—
D
D
—
Missouri
D
D
—
D
R
—
D
R
—
R
R
—
R
R
—
R
R
—
R
D
—
R
D
—
R
R
—
Missouri
Nebraska
Nebraska
Nebraska
2R
R
R
—
R
R
—
R
R
—
R
R
—
Po
R
Nebraska
—
R
R
—
R
R
—
D
R
—
D
R
—
R
R
—
R
R
Nebraska
—
D
I
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Nebraska
—
R
R
—
D
D
—
D
D
—
D
D
—
D
R
—
D
R
—
D
R
—
R
R
—
R
R
Nebraska
North Dakota
North Dakota
North Dakota
2R
R
D
—
North Dakota
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
North Dakota
R
R
—
R
R
—
D
R
—
R
R
—
R
R
—
R
D
—
North Dakota
R
D
—
R
D
—
R
D
—
D
D
—
D
D
—
D
D
—
D
D
—
R
D
—
R
R
—
North Dakota
Ohio
2DR
—
DR
DR
—
DR
DR
—
DR
DR
—
AJ
AJ
Ohio
—
AJ
D
—
D
D
—
D
W
—
FS
W
—
D
Ohio
R
—
R
R
—
R
D
—
R
D
—
D
R
—
D
R
—
D
R
—
Ohio
R
R
—
R
R
—
R
D
—
R
D
—
R
R
—
R
R
—
Ohio
D
D
—
R
R
—
R
R
—
R
R
—
D
D
—
D
D
—
Ohio
R
R
—
D
D
—
D
D
—
D
D
—
D
R
—
R
R
—
R
D
—
R
D
—
R
D
—
Ohio
South Dakota
South Dakota
South Dakota
2R
I
—
R
South Dakota
Po
—
R
R
—
R
R
—
R
D
—
R
R
—
R
R
—
D
South Dakota
R
—
D
R
—
R
R
—
R
R
—
R
R
—
R
D
—
R
South Dakota
D
—
D
D
—
R
R
—
R
D
—
R
D
—
D
D
—
D
R
—
D
R
—
R
R
—
R
South Dakota
Wisconsin
Wisconsin
2D
D
—
R
Wisconsin
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
D
D
—
Wisconsin
R
R
—
R
R
—
R
R
—
D
R
—
R
R
—
R
R
—
Wisconsin
D
Pr
—
R
R
—
R
R
—
R
R
—
R
D
—
D
D
—
Wisconsin
D
D
—
D
D
—
R
D
—
R
D
—
D
D
—
D
D
—
D
D
—
R
D
—
R
D
—
Wisconsin
State
8th
9th
10th
11th
12th
13th
14th
15th
16th
17th
18th
19th
20th
State
21st
22nd
23rd
24th
25th
26th
27th
28th
29th
30th
31st
32nd
33rd
34th
State
35th
36th
37th
38th
39th
40th
41st
42nd
43rd
44th
45th
46th
47th
48th
49th
50th
51st
52nd
53rd
54th
State
55th
56th
57th
58th
59th
60th
61st
62nd
63rd
64th
65th
66th
67th
68th
69th
70th
71st
72nd
State
73rd
74th
75th
76th
77th
78th
79th
80th
81st
82nd
83rd
84th
85th
86th
87th
88th
89th
90th
State
91st
92nd
93rd
94th
95th
96th
97th
98th
99th
100th
101st
102nd
103rd
104th
105th
106th
107th
108th
109th
110th
111th
112th
113th
114th
115th
116th
117th
State
West [ ]
Second Party System
Third Party System
Fourth Party System
Fifth Party System
Sixth Party System [3]
State
1850
1852
1854
1856
1858
1860
1862
1864
1866
1868
1870
1872
1874
1876
1878
1880
1882
1884
1886
1888
1890
1892
1894
State
1896
1898
1900
1902
1904
1906
1908
1910
1912
1914
1916
1918
1920
1922
1924
1926
1928
1930
State
1932
1934
1936
1938
1940
1942
1944
1946
1948
1950
1952
1954
1956
1958
1960
1962
1964
1966
State
1968
1970
1972
1974
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
State
Alaska
Alaska
Alaska
2D
D
D
—
D
Alaska
D
—
R
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
D
R
—
R
R
—
Alaska
Arizona
Arizona
2D
D
D
—
R
D
—
D
D
—
Arizona
D
D
—
D
D
—
D
D
—
D
R
—
D
R
—
D
R
—
Arizona
R
R
—
R
D
—
R
D
—
R
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
D
—
Arizona
California
2D
—
D
D
—
D
R
—
R
D
—
R
AM
—
D
R
—
R
D
—
R
D
—
California
R
R
—
R
R
—
R
R
—
D
R
—
R
R
—
R
R
—
California
D
R
—
D
R
—
D
R
—
R
R
—
R
D
—
R
R
—
California
D
D
—
D
R
—
D
R
—
D
R
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
California
Colorado
2R
R
—
R
R
—
R
SR
—
R
Colorado
D
—
D
D
—
R
D
—
D
D
—
R
R
—
R
R
—
D
Colorado
D
—
D
D
—
D
R
—
D
R
—
R
D
—
R
R
—
R
Colorado
R
—
D
D
—
R
D
—
R
D
—
R
R
—
R
R
—
R
D
—
D
D
—
R
D
—
D
Colorado
Hawaii
Hawaii
Hawaii
Sp
—
R
R
—
Hawaii
D
R
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
—
Hawaii
Idaho
2R
—
R
Idaho
Po
—
SR
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Idaho
D
—
R
D
—
R
D
—
D
R
—
R
D
—
R
D
—
R
Idaho
D
—
R
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
Idaho
Montana
2R
—
R
R
Montana
—
D
D
—
R
R
—
D
D
—
D
D
—
D
D
—
D
D
Montana
—
D
D
—
D
D
—
R
D
—
D
D
—
D
D
—
D
D
Montana
—
D
D
—
D
D
—
D
D
—
R
D
—
R
D
—
R
D
—
D
D
—
D
R
—
D
R
Montana
Nevada
2R
R
R
—
R
R
—
R
D
—
R
R
—
R
SR
—
Nevada
Si
SR
—
D
R
—
D
R
—
D
D
—
R
D
—
R
D
—
Nevada
D
D
—
D
D
—
D
R
—
D
R
—
D
D
—
D
D
—
Nevada
D
D
—
R
D
—
R
R
—
D
D
—
D
D
—
D
R
—
D
R
—
D
R
—
D
D
—
Nevada
New Mexico
New Mexico
2R
—
D
R
—
D
D
—
R
D
New Mexico
—
R
D
—
D
D
—
D
D
—
D
D
—
D
D
—
D
D
New Mexico
—
D
R
—
R
R
—
D
R
—
D
R
—
D
R
—
D
R
—
D
D
—
D
D
—
D
D
New Mexico
Oregon
2D
R
—
R
R
—
D
R
—
D
D
—
R
R
—
R
R
—
R
Oregon
R
—
R
R
—
R
D
—
D
D
—
R
R
—
R
R
—
R
Oregon
R
—
R
R
—
R
R
—
R
R
—
D
D
—
D
D
—
R
Oregon
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
D
—
R
D
—
D
D
—
D
D
—
D
Oregon
Utah
Utah
Sp[7]
R
—
R
R
—
R
R
—
R
D
—
R
D
—
R
D
—
Utah
D
D
—
D
D
—
D
R
—
R
R
—
R
D
—
R
D
—
Utah
R
D
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
Utah
Washington
2R
R
R
—
Washington
R
R
—
R
R
—
R
R
—
R
R
—
R
D
—
R
D
—
Washington
D
D
—
D
D
—
D
R
—
D
D
—
D
D
—
D
D
—
Washington
D
D
—
D
D
—
R
D
—
D
R
—
D
R
—
D
D
—
D
D
—
D
D
—
D
D
—
Washington
Wyoming
2R
R
R
Wyoming
—
R
R
—
R
R
—
R
R
—
D
R
—
D
R
—
D
R
Wyoming
—
D
D
—
D
R
—
D
D
—
R
D
—
D
R
—
D
R
Wyoming
—
D
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
—
R
R
Wyoming
State
32nd
33rd
34th
35th
36th
37th
38th
39th
40th
41st
42nd
43rd
44th
45th
46th
47th
48th
49th
50th
51st
52nd
53rd
54th
State
55th
56th
57th
58th
59th
60th
61st
62nd
63rd
64th
65th
66th
67th
68th
69th
70th
71st
72nd
State
73rd
74th
75th
76th
77th
78th
79th
80th
81st
82nd
83rd
84th
85th
86th
87th
88th
89th
90th
State
91st
92nd
93rd
94th
95th
96th
97th
98th
99th
100th
101st
102nd
103rd
104th
105th
106th
107th
108th
109th
110th
111th
112th
113th
114th
115th
116th
117th
State
See also [ ]
References [ ]
Martis, Kenneth C. The Historical Atlas of Political Parties in the United States Congress .
Notes [ ]
^ Candidates from two different parties were elected. This occasionally occurred when a state delegation was first admitted or re-admitted to the Senate. Unless otherwise noted, the split was between the Republican and Democratic parties.
^ Includes members of the Unconditional Union Party and other candidates elected under the "unionist" label.
^ a b c d There is no consensus definition for the beginning or ending date of the Sixth Party System.
^ Elected by the Restored Government of Virginia .
^ The Virginia legislature elected two Unionists in 1865, but the Senate refused to seat either candidate.
^ Two Democrats were elected in 1858, but a Republican replaced one of the Democrats in an 1859 election.
^ Two Republicans were elected in 1896, but a Democrat replaced a Republican in an 1897 election.
Elected by state legislatures (before the 17th Amendment ) Popular election (after the 17th Amendment )
Regulars and even-year specials Odd-year specials
Categories :
Lists of elections in the United States Hidden categories:
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