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 County results Cain: 40–50% 50–60% 60–70% 70–80% Mitchell: 50–60% | |||||||||||||||||
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| Elections in Washington |
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The 1946 United States Senate election in Washington was held on November 5, 1946. Incumbent Democrat Hugh Mitchell, who had been appointed to fill the unexpired term of Monrad Wallgren, ran for a full term in office, but was defeated by Republican Mayor of Tacoma Harry Cain.