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40 of 59 seats in the Illinois Senate 30 seats needed for a majority | ||||||||||||||||||||||||||||||||||
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Results: Republican gain Democratic hold Republican hold No election Vote Share: 50–60% 60–70% >90% 50–60% 60–70% >90% | ||||||||||||||||||||||||||||||||||
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Elections in Illinois |
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The Illinois State Senate Election of 2016 determined, along with 19 senators not up for re-election, the membership of the 100th Illinois State Senate. The Democratic Party retained its majority, losing two seats - the 47th district in Western Illinois, and the 59th in the State's South - which were both won by Republicans.