The 1938 United States Senate election in Idaho took place on November 8, 1938. Incumbent Democratic Senator James P. Pope ran for a second term, but was defeated in the Democratic primary by D. Worth Clark, the representative from Idaho's 2nd congressional district. D. Worth Clark won the general election against Donald A. Callahan, a former member of the Idaho State Senate.
Primary elections Primary elections were held on August 11, 1938.
Democratic primary Candidates James P. Pope, incumbent U.S. Senator D. Worth Clark, U.S. representative from Idaho's 2nd congressional district (1935-1939)
Results
Republican primary Candidates Donald A. Callahan, former member of the Idaho State Senate Walter H. Anderson Frank H. Adams
Results
General election Results
See also 1938 United States Senate elections
References