1974 United States Senate election in Vermont

The 1974 United States Senate election in Vermont took place on November 5, 1974. The incumbent Republican Senator, George Aiken, did not run for re-election to another term in the United States Senate. The Democratic nominee, Patrick Leahy, the state's attorney of Chittenden County, defeated Republican nominee, Rep. Richard W. Mallary, to become Aiken's successor. This election also included Liberty Union Party candidate Bernie Sanders, who won 4.1% of the vote.

1974 United States Senate election in Vermont

November 5, 1974 (1974-11-05)

Nominee Patrick Leahy Richard Mallary Party Democratic Republican Popular vote 70,629 66,223 Percentage 49.5% 46.4%

County results Leahy:      40–50%      50–60% Mallary:      40–50%      50–60%

U.S. senator before election George Aiken Republican Elected U.S. Senator Patrick Leahy Democratic

Elections in Vermont
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This election marked the first time in Vermont's history that it elected a Democrat to the U.S. Senate, the last remaining U.S. state to do so. Leahy remained the only Democrat ever elected to the Senate from Vermont until 2022, when he retired and was succeeded by Peter Welch. The last non-Republican elected to the Senate from Vermont prior to 1974 was Lawrence Brainerd, a Free Soil Party member chosen in 1854 by an anti-slavery coalition of the Vermont General Assembly to fill a brief vacancy.