Table 1-3
Congress
Democratic and Republican Seats in the House, by Region, 69th-114th Congresses, 1925-2015
69th
1925-1926
D
R
75th
1937-1938
D
R
81st
1949-1950
D
R
87th
1961-1962
D
R
93rd
1973-1974
D
R
96th
1979-1980
D
R
97th
1981-1982
D
R
98th
1983-1984
D
R
101st
1989-1990
D
R
102nd
1991-1992
D
R
Region
South
Percent
Seats
54.9
101
1.2
3
29.8
99
2.2
2
39.2
103
1.2
2
37.8
99
3.4
6
30.4
73
17.7
34
27.9 19.7
77
31
28.4
69
20.3
39
30.2
81
21.0
35
29.3
76
22.4
39
28.8
77
23.4
39
Border
Percent
Seats
14.7
27
7.8
19
12.0
40
2.2
2
14.1
37
2.9
5
12.2
32
3.4
6
11.3
27
4.2
8
9.8
27
5.1
8
9.9
24
5.7
11
9.7
26
4.8
8
8.9
23
6.3
11
8.6
23
6.6
11
New England
Percent
Seats
2.2
4
11.4
28
3.9
13
17.6
16
4.2
11
9.9
17
5.3
14
8.0
14
6.3
15
5.2
10
6.5
18
4.5
7
6.6
16
4.7
9
6.0
16
4.8
8
5.4
14
5.7
10
6.0
16
4.2
7
Mid-Atlantic
Percent
Seats
13.0
24
26.9
66
19.3 33.0
64
30
17.1
45
27.5
47
16.4
43
25.9
45
17.9
43
19.3
37
18.5 18.5
51
29
17.7
43
19.3
37
16.0
43
17.4
29
16.2
42
17.2
30
15.4
41
18.6
31
Midwest
Percent
Seats
7.6
14
28.2
69
19.6 19.8
65
18
14.4
38
28.7
49
13.4
35
29.3
51
13.3
32
27.6
53
17.0 24.2
47
38
17.7
43
22.4
43
16.4
44
21.6
36
18.1
47
18.4
32
18.4
49
18.6
31
Plains
Percent
Seats
3.3
6
13.5
33
3.9
13
17.6
16
1.9
5
15.2
26
2.3
6
14.4
25
3.8
9
8.3
16
3.6
10
9.6
15
3.7
9
8.3
16
4.5
12
7.2
12
4.6
12
6.9
12
4.9
13
6.6
11
Rocky Mountains
Percent
Seats
2.2
4
4.1
10
4.2
14
1.1
1
4.6
12
2.3
4
4.2
11
2.9
5
3.3
8
5.7
11
3.3
9
6.4
10
2.9
7
6.3
12
3.0
8
9.6
16
3.5
9
8.6
15
4.1
11
7.8
13
Pacific Coast
Percent
Seats
2.2
4
6.9
17
7.2
24
6.6
6
4.6
12
12.3
21
8.4
22
12.1
21
13.8
33
12.0
23
13.4 12.1
37
19
13.2
32
13.0
25
14.2
38
13.8
23
13.9
36
14.4
25
13.9
37
14.4
24
184
245
332
91
263
171
262
174
240
192
276
243
192
268
167
259
174
267
167
Total Seats
http://www.brookings.edu/VitalStats
157
1
Table 1-3
Congress
103rd
1993-1994
D
R
104th
1995-1996
D
R
105th
1997-1998
D
R
106th
1999-2000
D
R
107th
2001-2002
D
R
108th
2003-2004
D
R
109th
2005-2006
D
R
110th
2007-2008
D
R
111th
2009-2010
D
R
112th
2011-2012
D
R
113th
2013-2014
D
R
114th
2015-2016
D
R
Region
South
Percent
Seats
29.8
77
27.3
48
29.9
61
27.8
64
26.1
54
31.3
71
25.6
54
31.5
70
25.1
53
32.3
71
26.8
55
33.2
76
24.4
49
35.3
82
23.2
54
38.1
77
23.5
59
40.5
72
19.2
37
39.0
94
19.8
40
42.0
98
19.7
37
40.9
101
Border
Percent
Seats
8.1
21
6.3
11
7.8
16
7.0
16
6.3
13
8.4
19
6.2
13
8.6
19
5.7
12
9.1
20
6.8
14
7.4
17
7.0
14
7.3
17
6.4
15
7.9
16
6.3
16
8.4
15
6.7
13
7.4
18
5.4
11
8.2
19
5.3
10
8.1
20
New England
Percent
Seats
5.4
14
4.5
8
6.9
14
3.5
8
8.7
18
1.8
4
8.5
18
1.8
4
8.1
17
2.3
5
7.8
16
2.2
5
8.0
16
2.2
5
9.0
21
0.5
1
8.6
22
0.0
0
10.4
20
0.8
2
10.4
21
0.0
0
10.1
19
0.8
2
Mid-Atlantic
Percent
Seats
14.0
36
17.0
30
16.2
33
14.3
33
16.9
35
13.7
31
17.1
36
13.5
30
17.1
36
13.6
30
16.1
33
12.7
29
16.9
34
12.1
28
17.6
41
10.4
21
18.0
46
9.0
16
18.7
36
10.7
26
17.3
35
9.9
23
16.0
30
11.3
28
Midwest
Percent
Seats
16.7
43
17.6
31
15.7
32
18.3
42
17.9
37
16.3
37
17.5
37
16.7
37
17.5
37
16.8
37
13.7
28
17.9
41
13.9
28
17.7
41
14.2
33
17.8
36
15.2
39
9.0
16
15.2
39
16.3
29
12.4
25
17.2
40
12.8
24
16.6
41
Plains
Percent
Seats
4.7
12
5.7
10
3.9
8
6.1
14
3.9
8
6.2
14
4.3
9
5.9
13
3.8
8
6.4
14
3.4
7
6.6
15
4.0
8
6.0
14
5.2
12
5.0
10
4.3
11
6.2
11
3.6
7
6.2
15
3.5
7
6.0
14
3.7
7
5.7
14
Rocky Mountains
Percent
Seats
4.3
11
7.4
13
2.9
6
7.8
18
1.9
4
8.8
20
2.4
5
8.6
19
2.8
6
8.2
18
3.4
7
9.2
21
4.0
8
8.6
20
4.7
11
8.4
17
6.6
17
6.2
11
5.2
10
7.4
18
6.4
13
7.7
18
5.3
10
8.5
21
Pacific Coast
Percent
Seats
17.1
44
14.2
25
16.7
34
15.2
35
18.4
38
13.7
31
18.5
39
13.5
30
19.9
42
11.4
25
22.0
45
10.9
25
21.9
44
10.8
25
19.7
46
11.9
24
18.0
46
13.5
24
23.3
45
10.3
25
24.8
50
9.0
21
27.1
51
8.1
20
258
176
204
230
207
227
211
222
211
220
205
229
201
232
233
202
256
178
193
242
202
233
188
Total Seats
http://www.brookings.edu/VitalStats
247
2
Note: D indicates Democrats; R indicates Republicans. Third parties are omitted.
Figures represent the makeup of Congress on the first day of the session.
Source: Congressional Directory, various editions; Congressional Quarterly Weekly
Report, various issues; Clerk of the U.S. House of Representatives,
http://clerk.house.gov; The Almanac of American Politics (Washington, D.C.: National
Journal Group, various editions).
http://www.brookings.edu/VitalStats
3