# 1819 United States House of Representatives election in Illinois

Elections in Illinois :
Federal government
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1st
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State government
General elections
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Gubernatorial elections
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Lieutenant Gubernatorial elections
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Ballot measures and referendums
State capitol referendum (1834)
Cutback Amendment (1980)
Crime Victim Rights Amendment (1992)
Illinois Governor Recall Amendment (2010)
Public Pension Amendment (2012)
Marsy's Law (2014)
Right to Vote Amendment (2014)
Transportation Taxes and Fees Lockbox Amendment (2016)
Fair Tax (2020)
Right to Collective Bargaining Amendment (2022) :
Chicago
General elections
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Mayoral elections
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Aldermanic elections
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Chicago Board of Education elections
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Cook County
County elections
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vte :
Illinois elected its member August 2, 1819, after the new congress began but before the first session convened. The incumbent had just been elected to the new seat in late 1818.
| District | Incumbent | Incumbent | Incumbent | This race | This race |
| District | Member | Party | First elected | Results | Candidates |
| Illinois at-large | John McLean | Democratic-Republican | 1818 | Incumbent lost re-election. New member elected. Democratic-Republican hold. | √ Daniel P. Cook (Democratic-Republican) 59.4% John McLean (Democratic-Republican) 40.6% |