The 1856 United States presidential election in Missouri was held on November 4, 1856. Voters chose nine electors to represent the state in the Electoral College, which chose the president and vice president.
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- "1856 Presidential General Election Results - Missouri". David Leip's U.S. Election Atlas. Retrieved 2017-06-05.
- Menendez, Albert J.; The Geography of Presidential Elections in the United States, 1868-2004, pp. 239-246 ISBN 0786422173