1974 United States Senate election in Idaho

The 1974 United States Senate election in Idaho took place on Tuesday, November 5. Democratic incumbent Frank Church was re-elected to a fourth term in office, defeating Republican Bob Smith.

Church announced his presidential campaign in March 1976, off the strength of his victory as well as his high-profile chairmanship of the select Church Commission investigating American intelligence activity.

, this was the last time the Democrats won a U.S. Senate election in Idaho.

Primary elections
The primary was held on Tuesday, August 6.

Candidates

 * Frank Church, Boise, incumbent since 1957
 * Leon Olson, Boise

Candidates

 * Charles Bolstridge, Nampa
 * Bob Smith, Nampa, attorney
 * Donald L. Winder, Boise