Growth
in size of House and Constituency«
|
Year of Census
|
Congress
|
Population
base
|
Number of
states
|
Number of
Representatives
|
Apportionment;
population per representation
|
|
——
|
1-2
|
————
|
13
|
65
|
30,000
|
|
1790
|
3-7
|
3,616,000
|
15
|
105
|
34,438
|
|
1800
|
8-12
|
4,880,000
|
16
|
141
|
34,609
|
|
1810
|
18-22
|
6,584,000
|
17
|
181
|
36,377
|
|
1820
|
23-27
|
8,972,000
|
24
|
213
|
42,124
|
|
1830
|
28-32
|
11,931,000
|
24
|
240
|
49,712
|
|
1840
|
33-37
|
15,908,000
|
25
|
223
|
71,338
|
|
1850
|
38-42
|
21,767,000
|
31
|
234
|
93,020
|
|
1860
|
43-47
|
29,550,000
|
34
|
241
|
122,614
|
|
1870
|
49-52
|
38,116,000
|
37
|
292
|
130,533
|
|
1880
|
53-57
|
49,371,000
|
38
|
325
|
151,912
|
|
1890
|
58-63
|
61,909,000
|
44
|
356
|
173,901
|
|
1900
|
63-66
|
74,563,000
|
45
|
386
|
193,167
|
|
1910
|
67-72
|
91,604,000,
|
46
|
435
|
210,583
|
|
1920
|
73-77
|
105,711,000
|
48
|
435
|
243,013
|
|
1930
|
78-82
|
122,093,000
|
48
|
435
|
280,675
|
|
1940
|
83-87
|
131,006,000
|
48
|
435
|
301,164
|
|
1950
|
83-87
|
149,895,000
|
48
|
435
|
334,587
|
|
1960
|
88-92
|
178,559,000
|
50
|
435
|
410,451
|
|
1970
|
93-97
|
201,751,000
|
50
|
435
|
463,726
|
|
1980
|
98-102
|
226,505,000
|
50
|
435
|
520,701
|
|
1990
|
103-107
|
248,103,000
|
50
|
435
|
570,352
|
|
2000
|
108-112
|
275,000,000
|
50 (?)
|
435
|
632,184
|
|
2050
|
133-137
|
383,000,000
|
50 (?)
|
435
|
880,460
|
«Roger
Davidson and Walter Oleszek, The Two Congress and the American People,
in Congress and Its Members Fifth Edition, 1996.
Estimated Gains
Or Losses In Congressional Seats In 2002
Due To Population
Shifts in The 2000 Census
Arizona +1
California +3
Colorado +1
Connecticut -1
Florida +1
Georgia +1
Illinois -1
Iowa -1
Massachusetts
-1
Michigan -1
Mississippi -1
Nebraska -1
Nevada +1
New Hampshire
-1
New York -1
Pennsylvania -1
Rhode Island -1
Texas +3
Washington +1
West Virginia
-1
Source: Campaigns
And Elections Magazine