2024 Illinois Senate election
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| 23 of 59 seats in the Illinois Senate 30 seats needed for a majority | |||||||||||||||||||||||||
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| Results: Democratic hold Republican hold No election Vote share: 50–60% 60–70% 70–80% 80–90% >90% 50–60% 60–70% >90% | |||||||||||||||||||||||||
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| Elections in Illinois | 
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The 2024 elections for the Illinois Senate were held on Tuesday, November 5, 2024. The general primary election for established political parties was held on March 19, 2024.
Elections were held for 23 out of 59 seats in the Illinois Senate.
No seats were changed in this election.