The 1966 United States Senate election in Iowa took place on November 8, 1966. Incumbent Republican Senator Jack Miller was re-elected to a second term in office over Democrat E.B. Smith.
After this race, no incumbent would be re-elected to either of Iowa's Senate seats until Chuck Grassley was elected to his second term 20 years later.
Republican primary Candidates Herbert F. Hoover Jack Miller, incumbent Senator since 1961
Results
Following his loss, Hoover registered to run in the general election as the "Iowa Party" candidate.
Democratic primary Candidates Gary Cameron Robert L. Nereim E.B. Smith, Iowa State University history professor and nominee for U.S. Senate in 1962 Ernest J. Seemann, perennial candidate from Waterloo
Results
General election Results
See also 1966 United States Senate elections
References