1974 United States Senate election in Iowa

The 1974 United States Senate election in Iowa took place on November 5, 1974. Incumbent Democratic U.S. Senator Harold E. Hughes retired. The open seat was won by U.S. Representative John C. Culver, defeating Republican State Representative David M. Stanley. , this was the most recent election in which a Democrat, or anyone other than Chuck Grassley, has won the Class 3 Senate seat in Iowa.

Candidates

 * George Milligan, State Senator from Des Moines
 * David M. Stanley, State Representative from Muscatine and nominee for Senate in 1968

Results
[[File:1974 Iowa Senate GOP Primary.svg|thumb|200px|Primary results by county: {{legend|#ed8783|Stanley}}

{{legend|#ed8783|50–60%}}

{{legend|#e55651|60–70%}}

{{legend|#d02923|70–80%}}

{{legend|#b00600|80–90%}} {{legend|#c88fe4|Milligan}}

{{legend|#c88fe4|50–60%}} ]]