Party divisions of United States Congresses

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The following table lists the party divisions for each United States Congress. Numbers in boldface denote the majority party at that particular time, while italicized numbers signify a Congress in which the majority party changed midsession.

Congress Years Senate House of Representatives President
Total Anti-Administration Pro-Administration Others Vacancies Total Anti-Administration Pro-Administration Others Vacancies
1st 1789–1791 26 8 18 — — 65 28 37 — — George Washington
2nd 1791–1793 30 13 16 — 1 69 30 39 — —
3rd 1793–1795 30 14 16 — — 105 54 51 — —
Congress Years Total Democratic-Republicans Federalists Others Vacancies Total Democratic-Republicans Federalists Others Vacancies
4th 1795–1797 32 11 21 — — 106 59 47 — —
5th 1797–1799 32 10 22 — — 106 49 57 — — John Adams
6th 1799–1801 32 10 22 — — 106 46 60 — —
7th 1801–1803 34 17 15 — 2 107 68 38 — 1 Thomas Jefferson
8th 1803–1805 34 25 9 — — 142 103 39 — —
9th 1805–1807 34 27 7 — — 142 114 28 — —
10th 1807–1809 34 28 6 — — 142 116 26 — —
11th 1809–1811 34 27 7 — — 142 92 50 — — James Madison
12th 1811–1813 36 30 6 — — 143 107 36 — —
13th 1813–1815 36 28 8 — — 182 114 68 — —
14th 1815–1817 38 26 12 — — 183 119 64 — —
15th 1817–1819 42 30 12 — — 185 146 39 — — James Monroe
16th 1819–1821 46 37 9 — — 186 160 26 — —
17th 1821–1823 48 44 4 — — 187 155 32 — —
18th 1823–1825 48 43 5 — — 213 189 24 — —
Congress Years Total Jacksonian National Republicans Others Vacancies Total Jacksonian National Republicans Others Vacancies John Quincy Adams
19th 1825–1827 48 26 22 — — 213 104 109 — —
20th 1827–1829 48 27 21 — — 213 113 100 — —
21st 1829–1831 48 25 23 — — 213 136 72 5 — Andrew Jackson
22nd 1831–1833 48 24 22 2 — 213 126 66 21 —
23rd 1833–1835 48 20 26 2 — 240 143 63 34 —
24th 1835–1837 52 26 24 2 — 242 143 75 24 —
Congress Years Total Democrats Whigs Others Vacancies Total Democrats Whigs Others Vacancies Martin Van Buren
25th 1837–1839 52 35 17 — — 242 128 100 14 —
26th 1839–1841 52 30 22 — — 242 125 109 8 —
27th 1841–1843 52 22 29 — 1 242 98 142 2 — William H. Harrison
28th 1843–1845 52 23 29 — — 223 147 72 4 — John Tyler
29th 1845–1847 58 34 22 — 2 228 142 79 7 — James K. Polk
30th 1847–1849 60 38 21 1 — 220 110 116 4 —
31st 1849–1851 62 35 25 2 — 233 113 108 11 1 Zachary Taylor
32nd 1851–1853 62 36 23 3 — 233 127 85 21 — Millard Fillmore
33rd 1853–1855 62 38 22 2 — 234 157 71 6 — Franklin Pierce
Congress Years Total Democrats Republicans Others Vacancies Total Democrats Republicans Others Vacancies
34th 1855–1857 62 39 22 1 — 234 83 108 43 —
35th 1857–1859 64 39 20 5 — 237 131 94 13 — James Buchanan
36th 1859–1861 66 38 26 2 — 237 101 113 23 —
37th 1861–1863 50 11 31 7 1 178 42 106 28 2 Abraham Lincoln
38th 1863–1865 51 12 29 — — 183 80 103 — —
39th 1865–1867 52 10 42 — — 191 46 145 — — Andrew Johnson
40th 1867–1869 53 11 42 — — 193 49 143 — 1
41st 1869–1871 74 11 61 — 2 243 73 170 — — Ulysses S. Grant
42nd 1871–1873 74 17 57 — — 243 104 136 3 —
43rd 1873–1875 74 19 54 — 1 293 88 203 — 2
44th 1875–1877 76 29 46 — 1 293 181 107 3 2
45th 1877–1879 76 36 39 1 — 293 156 137 — — Rutherford B. Hayes
46th 1879–1881 76 43 33 — — 293 150 128 14 1
47th 1881–1883 76 37 37 2 — 293 130 152 11 — James Garfield
48th 1883–1885 76 36 40 — — 325 200 119 6 — Chester A. Arthur
49th 1885–1887 76 34 41 — 1 325 182 140 2 1 Grover Cleveland
50th 1887–1889 76 37 39 — — 325 170 151 4 —
51st 1889–1891 84 37 47 — — 330 156 173 1 — Benjamin Harrison
52nd 1891–1893 88 39 47 2 — 333 231 88 14 —
53rd 1893–1895 88 44 38 3 3 356 220 126 10 — Grover Cleveland
54th 1895–1897 88 39 44 5 — 357 104 246 7 —
55th 1897–1899 90 34 46 10 — 357 134 206 16 1 William McKinley
56th 1899–1901 90 26 53 11 — 357 163 185 9 —
57th 1901–1903 90 29 56 3 2 357 153 198 5 1 Theodore Roosevelt
58th 1903–1905 90 32 58 — — 386 178 207 — 1
59th 1905–1907 90 32 58 — — 386 136 250 — —
60th 1907–1909 92 29 61 — 2 386 164 222 — —
61st 1909–1911 92 32 59 — 1 391 172 219 — — William H. Taft
62nd 1911–1913 92 42 49 — 1 391 228 162 1 —
63rd 1913–1915 96 51 44 1 — 435 290 127 18 — Woodrow Wilson
64th 1915–1917 96 56 39 1 — 435 231 193 8 3
65th 1917–1919 96 53 42 1 — 435 210 216 9 —
66th 1919–1921 96 47 48 1 — 435 191 237 7 —
67th 1921–1923 96 37 59 — — 435 132 300 1 2 Warren G. Harding
68th 1923–1925 96 43 51 2 — 435 207 225 3 — Calvin Coolidge
69th 1925–1927 96 40 54 1 1 435 183 247 5 —
70th 1927–1929 96 47 48 1 — 435 195 237 3 —
71st 1929–1931 96 39 56 1 — 435 163 267 1 4 Herbert Hoover
72nd 1931–1933 96 47 48 1 — 435 216 218 1 —
73rd 1933–1935 96 59 36 1 — 435 313 117 5 — Franklin D. Roosevelt
74th 1935–1937 96 69 25 2 — 435 322 103 10 —
75th 1937–1939 96 75 17 4 — 435 333 89 13 —
76th 1939–1941 96 69 23 4 — 435 262 169 4 —
77th 1941–1943 96 66 28 2 — 435 267 162 6 —
78th 1943–1945 96 57 38 1 — 435 222 209 4 —
79th 1945–1947 96 57 38 1 — 435 243 190 2 — Harry S. Truman
80th 1947–1949 96 45 51 — — 435 188 246 1 —
81st 1949–1951 96 54 42 — — 435 263 171 1 —
82nd 1951–1953 96 48 47 1 — 435 234 199 2 —
83rd 1953–1955 96 46 48 2 — 435 213 221 1 — Dwight D. Eisenhower
84th 1955–1957 96 48 47 1 — 435 232 203 — —
85th 1957–1959 96 49 47 — — 435 234 201 — —
86th 1959–1961 98 64 34 — — 436 283 153 — —
87th 1961–1963 100 64 36 — — 437 262 175 — — John F. Kennedy
88th 1963–1965 100 67 33 — — 435 258 176 — 1 Lyndon B. Johnson
89th 1965–1967 100 68 32 — — 435 295 140 — —
90th 1967–1969 100 64 36 — — 435 248 187 — —
91st 1969–1971 100 58 42 — — 435 243 192 — — Richard Nixon
92nd 1971–1973 100 54 44 2 — 435 255 180 — —
93rd 1973–1975 100 56 42 2 — 435 242 192 1 — Gerald Ford
94th 1975–1977 100 61 37 2 — 435 291 144 — —
95th 1977–1979 100 61 38 1 — 435 292 143 — — Jimmy Carter
96th 1979–1981 100 58 41 1 — 435 277 158 — —
97th 1981–1983 100 46 53 1 — 435 242 192 1 — Ronald Reagan
98th 1983–1985 100 46 54 — — 435 269 166 — —
99th 1985–1987 100 47 53 — — 435 253 182 — —
100th 1987–1989 100 55 45 — — 435 258 177 — —
101st 1989–1991 100 55 45 — — 435 260 175 — — George H. W. Bush
102nd 1991–1993 100 56 44 — — 435 267 167 1 —
103rd 1993–1995 100 57 43 — — 435 258 176 1 — Bill Clinton
104th 1995–1997 100 48 52 — — 435 204 230 1 —
105th 1997–1999 100 45 55 — — 435 207 226 2 —
106th 1999–2001 100 45 55 — — 435 211 223 1 —
107th 2001–2003 100 50 50 — — 435 212 221 2 — George W. Bush
108th 2003–2005 100 48 51 1 — 435 205 229 1 —
109th 2005–2007 100 44 55 1 — 435 202 231 1 1
110th 2007–2009 100 49 49 2 — 435 236 199 — —

[edit] References

U.S. Senate: Party Divisions

Office of the House Clerk: Party Divisions of the House of Representatives


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