The 1964 United States Senate election in Pennsylvania was held on November 3, 1964. Incumbent Republican U.S. Senator Hugh Scott successfully sought re-election to another term, defeating Democratic nominee Genevieve Blatt.
As of 2023, this is the last Senate election where York County voted Democratic.
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Text from the Wikipedia article “1964 United States Senate election in Pennsylvania”, available under CC BY-SA 4.0.