ABCDE
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Maintained by Daily Kos Elections@DKElections
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Open SeatsUncontested Seats
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Year(D)(R)No (R) on ballotNo (D) on ballot
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202425241819
5
202237241223
6
20201336198
7
20182241383
8
201619273529
9
201419284136
10
201226242025
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20102023524
12
20086294214
13
200612214610
14
20042936
15
20023745
16
20003332
17
19983956
18
1996913
19
19941736
20
19921914
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19904835
22
19886119
23
19865722
24
19845314
25
19824210
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19803414
27
19784218
28
1976397
29
1974551
30
1972438
31
1970545
32
1968397
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1966524
34
1964411
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1962561
36
1960733
37
1958881
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1956603
39
1954752
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1952723
41
42
Uncontested seats include seats where one party has its candidate(s) eliminated prior to
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November in all-party primaries.
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45
Source: Uncontested seats