1940 Idaho gubernatorial election

The 1940 Idaho gubernatorial election was held on November 5. Democratic nominee Chase Clark defeated incumbent Republican C. A. Bottolfsen with 50.48% of the vote.

The next election in 1942 was a rematch, also close, with different results.

Primary elections
Primary elections were held on August 13, 1940.

Candidates

 * Chase Clark, Idaho Falls mayor
 * J. W. Taylor, attorney general
 * James Barnes, Hansen farmer, former county commissioner

Candidates

 * C. A. Bottolfsen, Arco, incumbent governor
 * Thomas McDougall, Boise attorney

Candidates

 * Chase A. Clark, Democratic
 * C. A. Bottolfsen, Republican