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Illinois State Senate

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Last election: 2022|59 seats|Current composition (Ballotpedia) →
Democrats: 40
Republicans: 19
Democratic Majority

District Breakdown (59 districts)

Click any district to view presidential voting patterns and demographics.

1
D
2
D
3
D
4
D
5
D
6
D
7
D
8
D
9
D
10
D
11
D
12
D
13
D
14
D
15
D
16
D
17
D
18
D
19
D
20
D
21
D
22
D
23
D
24
R
25
D
26
R
27
D
28
D
29
D
30
D
31
D
32
R
33
R
34
D
35
R
36
D
37
R
38
R
39
D
40
D
41
R
42
D
43
D
44
R
45
R
46
D
47
R
48
D
49
D
50
R
51
R
52
D
53
R
54
R
55
R
56
R
57
D
58
R
59
R
Data source: Klarner State Legislative Election Returns (2022). District boundaries and incumbents may have changed since this election. See Ballotpedia for current composition.