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1970 Montana U.S. Senate Election
Montana · 2 candidates
Mansfield +21.1 pts · won by 52,251 votes
Mike MansfieldDemocraticWINNER60.54%
150,060 votes
Harold E. WallaceRepublican39.46%
97,809 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).