U.S. Political Representation by Party (1865-present)
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House of Representatives |
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Senate |
|
President |
|
Supreme Court Justices |
| Years |
Dems |
Reps |
Other |
Vacant |
Total |
|
Dems |
Reps |
Other |
Vacant |
Total |
|
|
|
|
|
|
|
|
|
|
|
|
|
Dems |
Reps |
| 1865 |
1867 |
46 |
145 |
|
|
191 |
|
10 |
42 |
|
|
52 |
|
D |
|
D |
W |
D |
D |
R |
R |
R |
R |
R |
|
3 |
5 |
| 1867 |
1869 |
49 |
143 |
|
1 |
193 |
|
11 |
42 |
|
|
53 |
|
D |
|
|
W |
D |
D |
R |
R |
R |
R |
R |
|
2 |
5 |
| 1869 |
1871 |
73 |
170 |
|
|
243 |
|
11 |
61 |
|
2 |
74 |
|
R |
|
|
W |
D |
D |
R |
R |
R |
R |
R |
|
2 |
5 |
| 1871 |
1873 |
104 |
139 |
|
|
243 |
|
17 |
57 |
|
|
74 |
|
R |
|
R |
W |
R |
D |
R |
R |
R |
R |
R |
|
1 |
7 |
| 1873 |
1875 |
88 |
203 |
|
|
291 |
|
19 |
54 |
|
1 |
74 |
|
R |
|
R |
R |
R |
D |
R |
R |
R |
R |
R |
|
1 |
8 |
| 1875 |
1877 |
181 |
107 |
3 |
2 |
293 |
|
29 |
46 |
|
1 |
76 |
|
R |
|
R |
R |
R |
D |
R |
R |
R |
R |
R |
|
1 |
8 |
| 1877 |
1879 |
156 |
137 |
|
|
293 |
|
36 |
39 |
1 |
|
76 |
|
R |
|
R |
R |
R |
D |
R |
R |
R |
R |
R |
|
1 |
8 |
| 1879 |
1881 |
150 |
128 |
14 |
1 |
293 |
|
43 |
33 |
|
|
76 |
|
R |
|
R |
R |
R |
D |
R |
R |
R |
R |
R |
|
1 |
8 |
| 1881 |
1883 |
130 |
152 |
11 |
|
293 |
|
37 |
37 |
2 |
|
76 |
|
R |
|
R |
R |
R |
D |
R |
R |
R |
R |
R |
|
1 |
8 |
| 1883 |
1885 |
200 |
119 |
6 |
|
325 |
|
36 |
40 |
|
|
76 |
|
R |
|
R |
R |
R |
R |
R |
R |
R |
R |
R |
|
0 |
9 |
| 1885 |
1887 |
182 |
140 |
2 |
1 |
325 |
|
34 |
41 |
|
1 |
76 |
|
D |
|
R |
R |
R |
R |
R |
R |
R |
R |
R |
|
0 |
9 |
| 1887 |
1889 |
170 |
151 |
4 |
|
325 |
|
37 |
39 |
|
|
76 |
|
D |
|
R |
R |
R |
R |
R |
R |
R |
R |
R |
|
0 |
9 |
| 1889 |
1891 |
156 |
173 |
1 |
|
330 |
|
37 |
47 |
|
|
84 |
|
R |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
|
2 |
7 |
| 1891 |
1893 |
231 |
88 |
14 |
|
333 |
|
39 |
47 |
2 |
|
88 |
|
R |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
|
2 |
7 |
| 1893 |
1895 |
220 |
126 |
10 |
|
356 |
|
44 |
38 |
3 |
3 |
88 |
|
D |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
|
2 |
7 |
| 1895 |
1897 |
104 |
246 |
7 |
|
357 |
|
39 |
44 |
5 |
|
88 |
|
D |
|
R |
R |
R |
R |
D |
R |
R |
R |
D |
|
2 |
7 |
| 1897 |
1899 |
134 |
206 |
16 |
1 |
357 |
|
34 |
46 |
10 |
|
90 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
|
3 |
6 |
| 1899 |
1901 |
163 |
185 |
9 |
|
357 |
|
26 |
53 |
11 |
|
90 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
|
3 |
6 |
| 1901 |
1903 |
153 |
198 |
|
1 |
352 |
|
29 |
56 |
3 |
2 |
90 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
|
3 |
6 |
| 1903 |
1905 |
178 |
207 |
|
|
385 |
|
32 |
58 |
|
|
90 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
|
3 |
6 |
| 1905 |
1907 |
136 |
250 |
|
|
386 |
|
32 |
58 |
|
|
90 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
|
3 |
6 |
| 1907 |
1909 |
164 |
222 |
|
|
386 |
|
29 |
61 |
|
|
90 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
|
3 |
6 |
| 1909 |
1911 |
172 |
219 |
|
|
391 |
|
32 |
59 |
|
|
91 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
|
3 |
6 |
| 1911 |
1913 |
228 |
162 |
1 |
|
391 |
|
42 |
49 |
|
1 |
92 |
|
R |
|
R |
R |
R |
R |
D |
R |
R |
R |
R |
|
1 |
8 |
| 1913 |
1915 |
290 |
127 |
18 |
|
435 |
|
51 |
44 |
1 |
|
96 |
|
D |
|
R |
R |
R |
R |
D |
R |
R |
R |
R |
|
1 |
8 |
| 1915 |
1917 |
231 |
193 |
8 |
3 |
435 |
|
56 |
39 |
1 |
|
96 |
|
D |
|
D |
R |
R |
R |
D |
R |
R |
R |
R |
|
2 |
7 |
| 1917 |
1919 |
210 |
216 |
9 |
|
435 |
|
53 |
42 |
1 |
|
96 |
|
D |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
D |
4 |
6 |
| 1919 |
1921 |
191 |
237 |
7 |
|
435 |
|
47 |
48 |
1 |
|
96 |
|
D |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
D |
4 |
6 |
| 1921 |
1923 |
132 |
300 |
1 |
2 |
435 |
|
37 |
59 |
|
|
96 |
|
R |
|
D |
R |
R |
R |
D |
R |
R |
R |
D |
D |
4 |
6 |
| 1923 |
1925 |
207 |
225 |
3 |
|
435 |
|
43 |
51 |
2 |
|
96 |
|
R |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
R |
2 |
8 |
| 1925 |
1927 |
183 |
247 |
5 |
|
435 |
|
40 |
54 |
1 |
1 |
96 |
|
R |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
R |
2 |
8 |
| 1927 |
1929 |
195 |
237 |
3 |
|
435 |
|
47 |
48 |
1 |
|
96 |
|
R |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
R |
2 |
8 |
| 1929 |
1931 |
163 |
267 |
1 |
4 |
435 |
|
39 |
56 |
1 |
|
96 |
|
R |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
R |
2 |
8 |
| 1931 |
1933 |
216 |
218 |
1 |
|
435 |
|
47 |
48 |
1 |
|
96 |
|
R |
|
D |
R |
R |
R |
R |
R |
R |
R |
D |
R |
2 |
8 |
| 1933 |
1935 |
313 |
117 |
5 |
|
435 |
|
59 |
36 |
1 |
|
96 |
|
D |
|
D |
R |
R |
|
R |
R |
R |
R |
D |
R |
2 |
7 |
| 1935 |
1937 |
322 |
103 |
10 |
|
435 |
|
69 |
25 |
2 |
|
96 |
|
D |
|
D |
R |
R |
|
R |
R |
R |
R |
D |
R |
2 |
7 |
| 1937 |
1939 |
333 |
89 |
13 |
|
435 |
|
75 |
17 |
4 |
|
96 |
|
D |
|
D |
R |
R |
D |
R |
R |
R |
R |
D |
R |
3 |
7 |
| 1939 |
1941 |
262 |
169 |
4 |
|
435 |
|
69 |
23 |
4 |
|
96 |
|
D |
|
D |
R |
R |
D |
D |
D |
R |
R |
D |
D |
6 |
4 |
| 1941 |
1943 |
267 |
162 |
6 |
|
435 |
|
66 |
28 |
2 |
|
96 |
|
D |
|
D |
R |
R |
D |
D |
D |
D |
R |
D |
D |
7 |
3 |
| 1943 |
1945 |
222 |
209 |
4 |
|
435 |
|
57 |
38 |
1 |
|
96 |
|
D |
|
D |
|
R |
D |
D |
D |
D |
R |
D |
D |
7 |
2 |
| 1945 |
1947 |
243 |
190 |
2 |
|
435 |
|
57 |
38 |
1 |
|
96 |
|
D |
|
D |
D |
R |
D |
D |
D |
D |
R |
D |
D |
8 |
2 |
| 1947 |
1949 |
188 |
246 |
1 |
|
435 |
|
45 |
51 |
|
|
96 |
|
D |
|
D |
D |
D |
D |
D |
D |
D |
|
D |
D |
9 |
0 |
| 1949 |
1951 |
263 |
171 |
1 |
|
435 |
|
54 |
42 |
|
|
96 |
|
D |
|
D |
D |
D |
D |
D |
D |
D |
|
D |
D |
9 |
0 |
| 1951 |
1953 |
234 |
199 |
2 |
|
435 |
|
48 |
47 |
1 |
|
96 |
|
D |
|
D |
D |
D |
D |
D |
D |
D |
D |
|
D |
9 |
0 |
| 1953 |
1955 |
213 |
221 |
1 |
|
435 |
|
46 |
48 |
2 |
|
96 |
|
R |
|
D |
D |
D |
D |
D |
D |
D |
D |
|
D |
9 |
0 |
| 1955 |
1957 |
232 |
203 |
|
|
435 |
|
48 |
47 |
1 |
|
96 |
|
R |
|
R |
D |
R |
D |
D |
D |
D |
D |
|
D |
7 |
2 |
| 1957 |
1959 |
234 |
201 |
|
|
435 |
|
49 |
47 |
|
|
96 |
|
R |
|
R |
D |
R |
D |
D |
D |
D |
R |
|
D |
6 |
3 |
| 1959 |
1961 |
283 |
153 |
|
|
436 |
|
64 |
34 |
|
|
98 |
|
R |
|
R |
R |
R |
D |
R |
D |
D |
R |
|
D |
4 |
5 |
| 1961 |
1963 |
262 |
175 |
|
|
437 |
|
64 |
36 |
|
|
100 |
|
D |
|
R |
R |
R |
D |
R |
D |
D |
R |
|
D |
4 |
5 |
| 1963 |
1965 |
258 |
176 |
|
1 |
435 |
|
67 |
33 |
|
|
100 |
|
D |
|
R |
D |
R |
D |
R |
D |
D |
R |
|
D |
5 |
4 |
| 1965 |
1967 |
295 |
140 |
|
|
435 |
|
68 |
32 |
|
|
100 |
|
D |
|
R |
D |
R |
D |
R |
D |
D |
R |
|
D |
5 |
4 |
| 1967 |
1969 |
248 |
187 |
|
|
435 |
|
64 |
36 |
|
|
100 |
|
D |
|
R |
D |
R |
D |
R |
D |
D |
R |
|
D |
5 |
4 |
| 1969 |
1971 |
243 |
192 |
|
|
435 |
|
58 |
42 |
|
|
100 |
|
R |
|
R |
D |
R |
D |
R |
D |
D |
R |
|
D |
5 |
4 |
| 1971 |
1973 |
255 |
180 |
|
|
435 |
|
54 |
44 |
2 |
|
100 |
|
R |
|
R |
D |
R |
D |
R |
D |
R |
R |
|
D |
4 |
5 |
| 1973 |
1975 |
242 |
192 |
|
|
434 |
|
56 |
42 |
2 |
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
|
D |
3 |
6 |
| 1975 |
1977 |
291 |
144 |
1 |
|
436 |
|
61 |
37 |
2 |
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
|
D |
3 |
6 |
| 1977 |
1979 |
292 |
143 |
|
|
435 |
|
61 |
38 |
1 |
|
100 |
|
D |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1979 |
1981 |
277 |
158 |
|
|
435 |
|
58 |
41 |
1 |
|
100 |
|
D |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1981 |
1983 |
242 |
192 |
1 |
|
435 |
|
46 |
53 |
1 |
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1983 |
1985 |
269 |
166 |
|
|
435 |
|
46 |
54 |
|
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1985 |
1987 |
253 |
182 |
|
|
435 |
|
47 |
53 |
|
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1987 |
1989 |
258 |
177 |
|
|
435 |
|
55 |
45 |
|
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1989 |
1991 |
260 |
175 |
|
|
435 |
|
55 |
45 |
|
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1991 |
1993 |
267 |
167 |
1 |
|
435 |
|
56 |
44 |
|
|
100 |
|
R |
|
R |
D |
R |
R |
R |
D |
R |
R |
R |
|
2 |
7 |
| 1993 |
1995 |
258 |
176 |
1 |
|
435 |
|
57 |
43 |
|
|
100 |
|
D |
|
R |
D |
R |
R |
R |
R |
R |
R |
R |
|
1 |
8 |
| 1995 |
1997 |
204 |
230 |
1 |
|
435 |
|
48 |
52 |
|
|
100 |
|
D |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
| 1997 |
1999 |
207 |
226 |
1 |
1 |
435 |
|
45 |
55 |
|
|
100 |
|
D |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
| 1999 |
2001 |
211 |
223 |
1 |
|
435 |
|
45 |
55 |
|
|
100 |
|
D |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
| 2001 |
2003 |
212 |
221 |
2 |
|
435 |
|
50 |
50 |
|
|
100 |
|
R |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
| 2003 |
2005 |
205 |
229 |
1 |
|
435 |
|
48 |
51 |
1 |
|
100 |
|
R |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
| 2005 |
2007 |
202 |
232 |
1 |
|
435 |
|
44 |
55 |
1 |
|
100 |
|
R |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
| 2007 |
2009 |
233 |
202 |
|
|
435 |
|
49 |
49 |
2 |
|
100 |
|
R |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
| 2009 |
2011 |
256 |
178 |
|
1 |
435 |
|
56 |
41 |
2 |
1 |
100 |
|
D |
|
R |
D |
R |
R |
R |
R |
D |
R |
R |
|
2 |
7 |
|
|
|
|
|
|
|
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