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 County results Owen: 40–50% 50–60% 60–70% 70–80% 80–90% Johnson: 40–50% 50–60% | |||||||||||||||||
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| Elections in Oklahoma |
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 Government |
The 1918 United States Senate election in Oklahoma took place on November 5, 1918. Incumbent Senator Robert L. Owen, a Democrat, sought re-election in his first popular election. He won the Democratic primary in a landslide and faced former U.S. Attorney W. B. Johnson in the general election. Owen won re-election by a wide margin.