1964 United States Senate election in Washington
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County results Jackson: 50–60% 60–70% 70–80% 80–90% | |||||||||||||||||
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| Elections in Washington (state) |
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The 1964 United States Senate election in Washington was held on November 3, 1964. Incumbent Democrat Henry M. Jackson won a third term in office with a landslide victory over Republican Superintendent of Instruction Lloyd J. Andrews.