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 County results Hennings: 50–60% 60–70% 70–80% 80–90% Douglas: 50–60% 60–70% 70–80% | |||||||||||||||||
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| Elections in Missouri |
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The 1956 United States Senate election in Missouri took place on November 6, 1956 in Missouri. The incumbent Democratic Senator, Thomas C. Hennings Jr., was re-elected. He defeated Republican nominee Herbert Douglas, winning 56.4% of the vote. Hennings outperformed Democratic presidential nominee Adlai Stevenson II, who won 50.1% in the presidential election in Missouri.