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2016 Illinois Senate election

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Five Key Senate Races to Watch in 2016

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Rubio Re-Elected as Florida Senator, Duckworth Wins in Illinois

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Election 2016: Marco Rubio defeats Patrick Murphy in US Senate Race

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Illinois senator under fire over attack against his opponent

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Senate race in Illinois could be close

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.