The 1918 United States Senate election in Idaho took place on November 5, 1918. Incumbent Republican Senator William Borah won re-election to a third term, defeating Frank L. Moore. This is the first election to this Senate seat that used the popular vote, as it was the first election to this seat after the passage of the 17th Amendment.
Primary elections Primary elections were held on September 3, 1918. However, both candidates for Senate were unopposed for the nomination.
Democratic primary Candidates Frank L. Moore
Results
Republican primary Candidates William Borah, incumbent U.S. Senator
Results
General election Results
See also 1918 United States Senate elections
References