Congressional Districts by Region

South
Northeast
Midwest & Plains
Mountain
West
1960s
124
117
125
17
52
1970s
125
113
121
19
57
1980s
136
104
113
24
61
1990s
140
97
105
24
69
2000s
145
92
100
28
70
2010s
152
87
94
31
71
2020s
155
85
91
33
71
2030s (projected)
164
81
88
36
66
Note: Brennan Center analysis of decennial reapportionments 1960-2020. Estimates of seats after the 2030 census based on analysis of population growth trends reported by the Census Bureau for the period July 1, 2022 to July 1, 2024.