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List of United States Senate election results by state

The following table shows regularly-scheduled United States Senate elections by state by year. The table does not include appointments or special elections, though it does include elections that occurred upon a state delegation's admission or readmission to the Senate. The table also includes elections that filled vacancies to unexpired terms that had never been filled due to legislative deadlock or an elected candidate's failure to qualify. The table does not denote post-election party switching. Note that, particularly prior to the ratification of the 17th Amendment in 1913, many regular elections took place in odd years rather than in the preceding even years.

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 Jacksonians W Whig Party Ra Readjuster Party

Table

    First Party System         Second Party System     Third Party System     Fourth Party System     Fifth Party System     Sixth Party System[3]
Year →
Class →
Congress → 		1789
1
1st 		1789
2
1st 		1789
3
1st 		1790
1
2nd 		1792
2
3rd 		1794
3
4th 		1796
1
5th 		1798
2
6th 		1800
3
7th 		1802
1
8th 		1804
2
9th 		1806
3
10th 		1808
1
11th 		1810
2
12th 		1812
3
13th 		1814
1
14th 		1816
2
15th 		1818
3
16th 		1820
1
17th 		1822
2
18th 		1824
3
19th 		1826
1
20th 		Year →
Class →
Congress → 		1828
2
21st 		1830
3
22nd 		1832
1
23rd 		1834
2
24th 		1836
3
25th 		1838
1
26th 		1840
2
27th 		1842
3
28th 		1844
1
29th 		1846
2
30th 		1848
3
31st 		1850
1
32nd 		1852
2
33rd 		1854
3
34th 		Year →
Class →
Congress → 		1856
1
35th 		1858
2
36th 		1860
3
37th 		1862
1
38th 		1864
2
39th 		1866
3
40th 		1868
1
41st 		1870
2
42nd 		1872
3
43rd 		1874
1
44th 		1876
2
45th 		1878
3
46th 		1880
1
47th 		1882
2
48th 		1884
3
49th 		1886
1
50th 		1888
2
51st 		1890
3
52nd 		1892
1
53rd 		1894
2
54th 		Year →
Class →
Congress → 		1896
3
55th 		1898
1
56th 		1900
2
57th 		1902
3
58th 		1904
1
59th 		1906
2
60th 		1908
3
61st 		1910
1
62nd 		1912
2
63rd 		1914
3
64th 		1916
1
65th 		1918
2
66th 		1920
3
67th 		1922
1
68th 		1924
2
69th 		1926
3
70th 		1928
1
71st 		1930
2
72nd 		Year →
Class →
Congress → 		1932
3
73rd 		1934
1
74th 		1936
2
75th 		1938
3
76th 		1940
1
77th 		1942
2
78th 		1944
3
79th 		1946
1
80th 		1948
2
81st 		1950
3
82nd 		1952
1
83rd 		1954
2
84th 		1956
3
85th 		1958
1
86th 		1960
2
87th 		1962
3
88th 		1964
1
89th 		1966
2
90th 		Year →
Class →
Congress → 		1968
3
91st 		1970
1
92nd 		1972
2
93rd 		1974
3
94th 		1976
1
95th 		1978
2
96th 		1980
3
97th 		1982
1
98th 		1984
2
99th 		1986
3
100th 		1988
1
101st 		1990
2
102nd 		1992
3
103rd 		1994
1
104th 		1996
2
105th 		1998
3
106th 		2000
1
107th 		2002
2
108th 		2004
3
109th 		2006
1
110th 		2008
2
111th 		2010
3
112th 		2012
1
113th 		2014
2
114th 		2016
3
115th 		2018
1
116th 		2020
2
117th 		2022
3
118th
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 R
Alaska       Alaska   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 — R R
Arizona       Arizona   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 — D
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 R
California       California   2D — D California 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 — D
Colorado       Colorado   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 D
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 — D
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 —
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 — R
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 — D D
Hawaii       Hawaii   Hawaii   Hawaii   Hawaii   Sp — D R — Hawaii D R — D D — D D — D D — D D — D D — D D — D D — D D — D
Idaho       Idaho   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 R
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 D
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 — R
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 R
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 R
Kentucky   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 R
Year →
Class →
Congress → 		1789
1
1st 		1789
2
1st 		1789
3
1st 		1790
1
2nd 		1792
2
3rd 		1794
3
4th 		1796
1
5th 		1798
2
6th 		1800
3
7th 		1802
1
8th 		1804
2
9th 		1806
3
10th 		1808
1
11th 		1810
2
12th 		1812
3
13th 		1814
1
14th 		1816
2
15th 		1818
3
16th 		1820
1
17th 		1822
2
18th 		1824
3
19th 		1826
1
20th 		Year →
Class →
Congress → 		1828
2
21st 		1830
3
22nd 		1832
1
23rd 		1834
2
24th 		1836
3
25th 		1838
1
26th 		1840
2
27th 		1842
3
28th 		1844
1
29th 		1846
2
30th 		1848
3
31st 		1850
1
32nd 		1852
2
33rd 		1854
3
34th 		Year →
Class →
Congress → 		1856
1
35th 		1858
2
36th 		1860
3
37th 		1862
1
38th 		1864
2
39th 		1866
3
40th 		1868
1
41st 		1870
2
42nd 		1872
3
43rd 		1874
1
44th 		1876
2
45th 		1878
3
46th 		1880
1
47th 		1882
2
48th 		1884
3
49th 		1886
1
50th 		1888
2
51st 		1890
3
52nd 		1892
1
53rd 		1894
2
54th 		Year →
Class →
Congress → 		1896
3
55th 		1898
1
56th 		1900
2
57th 		1902
3
58th 		1904
1
59th 		1906
2
60th 		1908
3
61st 		1910
1
62nd 		1912
2
63rd 		1914
3
64th 		1916
1
65th 		1918
2
66th 		1920
3
67th 		1922
1
68th 		1924
2
69th 		1926
3
70th 		1928
1
71st 		1930
2
72nd 		Year →
Class →
Congress → 		1932
3
73rd 		1934
1
74th 		1936
2
75th 		1938
3
76th 		1940
1
77th 		1942
2
78th 		1944
3
79th 		1946
1
80th 		1948
2
81st 		1950
3
82nd 		1952
1
83rd 		1954
2
84th 		1956
3
85th 		1958
1
86th 		1960
2
87th 		1962
3
88th 		1964
1
89th 		1966
2
90th 		Year →
Class →
Congress → 		1968
3
91st 		1970
1
92nd 		1972
2
93rd 		1974
3
94th 		1976
1
95th 		1978
2
96th 		1980
3
97th 		1982
1
98th 		1984
2
99th 		1986
3
100th 		1988
1
101st 		1990
2
102nd 		1992
3
103rd 		1994
1
104th 		1996
2
105th 		1998
3
106th 		2000
1
107th 		2002
2
108th 		2004
3
109th 		2006
1
110th 		2008
2
111th 		2010
3
112th 		2012
1
113th 		2014
2
114th 		2016
3
115th 		2018
1
116th 		2020
2
117th 		2022
3
118th
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 R
Maine     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 —
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 — D
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 —
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 —
Minnesota       Minnesota   Minnesota   Sp[4] — 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 —
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 —
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 — R
Montana       Montana   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 —
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 —
Nevada       Nevada   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 — D
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 D
New Jersey PA PA — PA PA — 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 Mexico       New Mexico   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 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 — D
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 R
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 — R
Year →
Class →
Congress → 		1789
1
1st 		1789
2
1st 		1789
3
1st 		1790
1
2nd 		1792
2
3rd 		1794
3
4th 		1796
1
5th 		1798
2
6th 		1800
3
7th 		1802
1
8th 		1804
2
9th 		1806
3
10th 		1808
1
11th 		1810
2
12th 		1812
3
13th 		1814
1
14th 		1816
2
15th 		1818
3
16th 		1820
1
17th 		1822
2
18th 		1824
3
19th 		1826
1
20th 		Year →
Class →
Congress → 		1828
2
21st 		1830
3
22nd 		1832
1
23rd 		1834
2
24th 		1836
3
25th 		1838
1
26th 		1840
2
27th 		1842
3
28th 		1844
1
29th 		1846
2
30th 		1848
3
31st 		1850
1
32nd 		1852
2
33rd 		1854
3
34th 		Year →
Class →
Congress → 		1856
1
35th 		1858
2
36th 		1860
3
37th 		1862
1
38th 		1864
2
39th 		1866
3
40th 		1868
1
41st 		1870
2
42nd 		1872
3
43rd 		1874
1
44th 		1876
2
45th 		1878
3
46th 		1880
1
47th 		1882
2
48th 		1884
3
49th 		1886
1
50th 		1888
2
51st 		1890
3
52nd 		1892
1
53rd 		1894
2
54th 		Year →
Class →
Congress → 		1896
3
55th 		1898
1
56th 		1900
2
57th 		1902
3
58th 		1904
1
59th 		1906
2
60th 		1908
3
61st 		1910
1
62nd 		1912
2
63rd 		1914
3
64th 		1916
1
65th 		1918
2
66th 		1920
3
67th 		1922
1
68th 		1924
2
69th 		1926
3
70th 		1928
1
71st 		1930
2
72nd 		Year →
Class →
Congress → 		1932
3
73rd 		1934
1
74th 		1936
2
75th 		1938
3
76th 		1940
1
77th 		1942
2
78th 		1944
3
79th 		1946
1
80th 		1948
2
81st 		1950
3
82nd 		1952
1
83rd 		1954
2
84th 		1956
3
85th 		1958
1
86th 		1960
2
87th 		1962
3
88th 		1964
1
89th 		1966
2
90th 		Year →
Class →
Congress → 		1968
3
91st 		1970
1
92nd 		1972
2
93rd 		1974
3
94th 		1976
1
95th 		1978
2
96th 		1980
3
97th 		1982
1
98th 		1984
2
99th 		1986
3
100th 		1988
1
101st 		1990
2
102nd 		1992
3
103rd 		1994
1
104th 		1996
2
105th 		1998
3
106th 		2000
1
107th 		2002
2
108th 		2004
3
109th 		2006
1
110th 		2008
2
111th 		2010
3
112th 		2012
1
113th 		2014
2
114th 		2016
3
115th 		2018
1
116th 		2020
2
117th 		2022
3
118th
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 — R
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 R
Oregon       Oregon   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 D
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 — D
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 —
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 R
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 R
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 —
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 —
Utah       Utah   Utah   Utah Sp[5] 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 — R
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 — D
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[6] N[7] — — 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 —
Washington       Washington   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 — D
West Virginia       West 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 —
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 — R
Wyoming       Wyoming   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 —
Year →
Class →
Congress → 		1789
1
1st 		1789
2
1st 		1789
3
1st 		1790
1
2nd 		1792
2
3rd 		1794
3
4th 		1796
1
5th 		1798
2
6th 		1800
3
7th 		1802
1
8th 		1804
2
9th 		1806
3
10th 		1808
1
11th 		1810
2
12th 		1812
3
13th 		1814
1
14th 		1816
2
15th 		1818
3
16th 		1820
1
17th 		1822
2
18th 		1824
3
19th 		1826
1
20th 		Year →
Class →
Congress → 		1828
2
21st 		1830
3
22nd 		1832
1
23rd 		1834
2
24th 		1836
3
25th 		1838
1
26th 		1840
2
27th 		1842
3
28th 		1844
1
29th 		1846
2
30th 		1848
3
31st 		1850
1
32nd 		1852
2
33rd 		1854
3
34th 		Year →
Class →
Congress → 		1856
1
35th 		1858
2
36th 		1860
3
37th 		1862
1
38th 		1864
2
39th 		1866
3
40th 		1868
1
41st 		1870
2
42nd 		1872
3
43rd 		1874
1
44th 		1876
2
45th 		1878
3
46th 		1880
1
47th 		1882
2
48th 		1884
3
49th 		1886
1
50th 		1888
2
51st 		1890
3
52nd 		1892
1
53rd 		1894
2
54th 		Year →
Class →
Congress → 		1896
3
55th 		1898
1
56th 		1900
2
57th 		1902
3
58th 		1904
1
59th 		1906
2
60th 		1908
3
61st 		1910
1
62nd 		1912
2
63rd 		1914
3
64th 		1916
1
65th 		1918
2
66th 		1920
3
67th 		1922
1
68th 		1924
2
69th 		1926
3
70th 		1928
1
71st 		1930
2
72nd 		Year →
Class →
Congress → 		1932
3
73rd 		1934
1
74th 		1936
2
75th 		1938
3
76th 		1940
1
77th 		1942
2
78th 		1944
3
79th 		1946
1
80th 		1948
2
81st 		1950
3
82nd 		1952
1
83rd 		1954
2
84th 		1956
3
85th 		1958
1
86th 		1960
2
87th 		1962
3
88th 		1964
1
89th 		1966
2
90th 		Year →
Class →
Congress → 		1968
3
91st 		1970
1
92nd 		1972
2
93rd 		1974
3
94th 		1976
1
95th 		1978
2
96th 		1980
3
97th 		1982
1
98th 		1984
2
99th 		1986
3
100th 		1988
1
101st 		1990
2
102nd 		1992
3
103rd 		1994
1
104th 		1996
2
105th 		1998
3
106th 		2000
1
107th 		2002
2
108th 		2004
3
109th 		2006
1
110th 		2008
2
111th 		2010
3
112th 		2012
1
113th 		2014
2
114th 		2016
3
115th 		2018
1
116th 		2020
2
117th 		2022
3
118th
  First Party System     Second Party System   Third Party System   Fourth Party System   Fifth Party System   Sixth Party System

Analytical tables

Last updated after the 2014 elections.

Results

First Party System Second Party System Third Party System Fourth Party System Fifth Party System Sixth Party System Overall since 1828
State DR votes F votes % DR D votes AJ/W votes Other votes % D D votes R votes Other votes % D D votes R votes Other votes % D State D votes R votes Other votes % D D votes R votes Other votes % D D votes R votes Other votes % D
Alabama 3 0 100 10 0 0 100 9 3 0 75 12 0 0 100 Alabama 12 0 0 100 8 8 0 50 51 11 0 82
Alaska Alaska 5 0 0 100 3 13 0 19 8 13 0 38
Arizona 7 1 0 88 Arizona 9 3 0 75 3 13 0 19 19 17 0 53
Arkansas 8 0 0 100 9 4 0 69 12 0 0 100 Arkansas 12 0 0 100 13 3 0 81 54 7 0 89
California 3 0 0 100 6 6 1 46 1 11 0 8 California 4 8 0 33 13 3 0 81 27 28 1 48
Colorado 0 7 1 0 7 5 0 58 Colorado 6 6 0 50 7 9 0 44 20 27 1 42
Connecticut 2 8 20 3 5 1 33 1 11 1 8 0 12 0 0 Connecticut 8 4 0 67 13 3 0 81 24 31 7 39
Delaware 0 10 0 1 8 0 11 13 1 0 93 3 9 0 25 Delaware 4 8 0 33 11 5 0 69 32 31 8 45
Florida 4 1 0 80 8 3 0 73 12 0 0 100 Florida 12 0 0 100 10 6 0 63 46 9 1 82
Georgia 9 1 90 7 3 0 70 10 1 0 91 12 0 0 100 Georgia 12 0 0 100 8 8 0 50 49 9 3 80
Hawaii Hawaii 2 3 0 40 15 1 0 94 17 4 0 81
Idaho 0 3 0 0 0 10 2 0 Idaho 6 6 0 50 2 14 0 13 8 33 2 19
Illinois 3 0 100 10 0 0 100 2 10 1 15 2 10 0 17 Illinois 7 5 0 58 11 5 0 69 32 30 1 51
Indiana 4 0 100 6 3 0 67 8 5 0 62 4 8 0 33 Indiana 6 6 0 50 6 10 0 38 30 29 3 48
Iowa 3 0 1 75 0 13 0 0 0 12 0 0 Iowa 4 8 0 33 8 8 0 50 15 41 1 26
Kansas 0 12 1 0 1 10 1 8 Kansas 1 11 0 8 0 16 0 0 2 49 2 4
Kentucky 9 1 90 1 9 0 10 13 0 0 100 8 4 0 67 Kentucky 8 4 0 67 6 10 0 38 36 28 9 49
Louisiana 5 0 100 7 3 0 70 8 4 0 67 12 0 0 100 Louisiana 12 0 0 100 13 3 0 81 52 7 3 84
Maine 3 0 100 6 3 0 66 1 13 0 7 1 11 0 8 Maine 2 10 0 17 5 10 1 31 15 44 4 24
Maryland 6 4 60 0 9 0 0 11 0 2 85 7 5 0 58 Maryland 8 4 0 67 12 4 0 75 38 13 11 61
Massachusetts 1 9 10 0 8 1 0 0 14 0 0 3 9 0 25 Massachusetts 5 7 0 42 15 1 0 94 23 31 9 37
Michigan 6 1 0 86 0 14 0 0 1 11 0 8 Michigan 5 7 0 42 14 2 0 88 26 34 1 43
Minnesota 1 13 0 7 0 10 2 0 Minnesota 6 4 2 50 10 6 0 63 17 33 4 31
Mississippi 4 0 100 7 2 0 78 9 3 0 75 12 0 0 100 Mississippi 12 0 0 100 4 12 0 25 44 15 2 72
Missouri 2 0 100 8 1 0 89 10 2 1 77 9 3 0 75 Missouri 10 2 0 83 6 10 0 38 43 17 2 69
Montana 0 4 0 0 10 2 0 83 Montana 11 1 0 92 12 4 0 75 33 11 0 75
Nebraska 0 11 1 0 2 10 0 17 Nebraska 1 10 1 8 10 6 0 63 13 37 2 25
Nevada 1 10 1 8 6 4 2 50 Nevada 10 2 0 83 10 6 0 63 27 22 3 52
New Hampshire 7 3 70 7 1 2 70 0 13 0 0 1 11 0 8 New Hampshire 2 10 0 17 4 12 0 25 14 47 2 22
New Jersey 8 2 80 3 6 0 33 10 4 0 71 3 9 0 25 New Jersey 4 8 0 33 15 1 0 94 35 22 6 56
New Mexico 4 4 0 50 New Mexico 11 1 0 92 9 7 0 56 24 12 0 67
New York 6 4 60 5 3 1 63 3 10 0 23 4 8 0 33 New York 7 5 0 58 10 5 1 63 29 29 4 47
North Carolina 10 0 100 7 3 0 70 10 2 1 77 11 1 0 92 North Carolina 12 0 0 100 5 11 0 31 45 14 4 71
North Dakota 1 3 0 25 0 12 0 0 North Dakota 2 10 0 17 12 4 0 75 15 29 0 34
Ohio 8 0 100 5 3 1 56 5 8 0 38 2 10 0 17 Ohio 6 6 0 50 9 7 0 56 27 31 4 44
Oklahoma 8 2 0 80 Oklahoma 11 1 0 92 3 13 0 19 22 16 0 58
Oregon 5 9 0 31 3 9 0 25 Oregon 4 8 0 33 5 11 0 31 17 37 0 31
Pennsylvania 8 2 80 8 1 0 89 2 11 0 15 0 12 0 0 Pennsylvania 5 7 0 42 2 14 0 13 17 44 1 27
Rhode Island 5 5 50 2 7 0 22 0 14 0 0 2 10 0 17 Rhode Island 12 0 0 100 11 5 0 69 27 29 7 43
South Carolina 9 1 90 7 1 2 70 8 4 0 66 12 0 0 100 South Carolina 11 1 0 92 6 10 0 38 44 15 3 71
South Dakota 0 3 1 0 2 9 1 17 South Dakota 2 10 0 17 9 7 0 56 13 29 2 30
Tennessee 11 0 100 4 5 0 44 12 2 0 86 12 0 0 100 Tennessee 11 1 0 92 5 11 0 31 44 14 5 70
Texas 4 0 0 100 10 2 0 83 12 0 0 100 Texas 11 1 0 92 4 12 0 25 39 15 0 72
Utah 4 9 0 31 Utah 7 5 0 58 1 15 0 6 12 29 0 29
Vermont 6 4 60 0 9 0 0 0 13 0 0 0 12 0 0 Vermont 0 12 0 0 7 7 2 44 7 44 11 11
Virginia 10 0 100 5 4 0 56 9 1 3 69 12 0 0 100 Virginia 12 0 0 100 6 8 2 38 44 9 9 71
Washington 0 4 0 0 2 10 0 17 Washington 11 1 0 92 13 3 0 81 26 18 0 59
West Virginia 8 3 2 62 3 9 0 25 West Virginia 11 1 0 92 15 1 0 94 37 14 2 70
Wisconsin 3 0 1 75 2 11 0 15 1 11 0 8 Wisconsin 4 7 1 33 13 3 0 81 23 33 1 40
Wyoming 0 4 0 0 3 9 0 25 Wyoming 8 4 0 67 1 15 0 6 12 32 0 27
Northeast 46 37 55 34 43 5 41 17 103 1 14 14 94 0 13 Northeast 45 63 0 42 82 56 4 58 191 319 51 34
South 76 17 82 72 48 2 59 147 33 6 79 160 30 0 84 South 171 21 0 89 129 123 2 51 679 217 58 71
Midwest 17 0 100 41 8 3 79 29 94 5 23 22 116 4 15 Midwest 58 84 4 40 108 85 0 56 258 380 23 39
West 3 0 0 100 12 47 3 19 47 74 4 38 West 95 48 0 66 94 114 0 45 251 283 7 46
United States 139 54 72 150 95 10 59 205 277 15 41 143 314 8 31 United States 369 216 4 63 412 378 7 52 1378 1199 140 51
State DR votes F votes % DR D votes AJ/W votes Other votes % D D votes R votes Other votes % D D votes R votes Other votes % D State D votes R votes Other votes % D D votes R votes Other votes % D D votes R votes Other votes % D
First Party System Second Party System Third Party System Fourth Party System Fifth Party System Sixth Party System Overall since 1828

States across party systems

S indicates that a state was split between the two major parties and did not elect either party more than 60 percent of the time. A * sign indicates that a state elected that party at least 80 percent of the time. No * sign indicates that the state elected that party between 60 and 80 percent of the time.

Party systems
State 1789-1792 1st 1824-1826 2nd 3rd 4th 5th 6th 2000-2014[8]
Alabama — DR* J D* D D* D* S R*
Alaska — — — — — — D* R* R*
Arizona — — — — — D* D R* R*
Arkansas — — — D* D D* D* D* D
California — — — — S R* R D* D*
Colorado — — — — R* S S S D
Connecticut PA* F* AJ W R* R* D D* D*
Delaware PA F* J W* D* R R D D*
Florida — — — D* D D* D* D D
Georgia AA* DR* J D D* D* D* S R*
Hawaii — — — — — — R D* D*
Idaho — — — — R* R* S R* R*
Illinois — DR* J D* R R* S D D*
Indiana — DR* AJ D D R S R R
Iowa — — — D R* R* R S R
Kansas — — — — R* R* R* R* R*
Kentucky AA* DR* J W* D* D D R R*
Louisiana — DR* AJ D D D* D* D* R
Maine — DR* J D R* R* R* R R*
Maryland PA* DR J W* D* S D D D*
Massachusetts PA* F* AJ W* R* R S D* D*
Michigan — — — D* R* R* S D* D*
Minnesota — — — — R* R* S D D*
Mississippi — DR* J D D D* D* R R*
Missouri — DR* S D* D D D* R R
Montana — — — — R* D* D* D D
Nebraska — — — — R* R* R* D S
Nevada — — — — R* S D* D R
New Hampshire AA DR J D R* R* R* R R
New Jersey S DR* AJ W D R R D* D*
New Mexico — — — — — S D* S D*
New York AA DR J D R R S D D*
North Carolina PA DR* J D D D* D* R R*
North Dakota — — — — R R* R* D D*
Ohio — DR* AJ S R R* S S R
Oklahoma — — — — — D* D* R* R*
Oregon — — — — R R R R D*
Pennsylvania AA DR* S D* R* R* S R* R
Rhode Island PA S AJ W R* R* D* D D*
South Carolina PA DR* J D D D* D* R R*
South Dakota — — — — R R* R* S R
Tennessee — DR* J S D* D* D* R R*
Texas — — — D* D* D* D* R R*
Utah — — — — — R S R* R*
Vermont AA* DR AJ W* R* R* R* S S
Virginia AA* DR* J S D D* D* S D
Washington — — — — R* R* D* D* D*
West Virginia — — — — D R D* D* D*
Wisconsin — — — D R* R* S D* D*
Wyoming — — — — R* R D R* R*
State 1789-1792 1st 1824-1826 2nd 3rd 4th 5th 6th 2000-
2014
Region 1789-1792 1st 1824-1826 2nd 3rd 4th 5th 6th 2000-2014[8]
Northeast PA S AJ S R* R* S S D
South S DR* J* S D D* D* S R
Midwest — DR* AJ D R R* S S S
West — — — D* R S D S S
United States S DR S S S R D S S

See also

References

  • Martis, Kenneth C. The Historical Atlas of Political Parties in the United States Congress.

Notes

  1. ^ 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.
  2. ^ Includes all candidates elected by Unionist parties.
  3. ^ There is no consensus definition for the beginning or ending date of the Sixth Party System.
  4. ^ Two Democrats were elected in 1858, but a Republican replaced one of the Democrats in an 1859 election.
  5. ^ Two Republicans were elected in 1896, but a Democrat replaced a Republican in an 1897 election.
  6. ^ Elected by the Restored Government of Virginia.
  7. ^ The Virginia legislature elected two Unionists in 1865, but the Senate refused to seat either candidate.
  8. ^ a b Note that these elections are also part of the Sixth Party System.
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