# 1956 United States Senate election in Iowa

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The 1956 United States Senate election in Iowa took place on November 6, 1956. Incumbent Republican Senator Bourke B. Hickenlooper was re-elected to a third term in office over Democrat Rudolph M. Evans.

## General election
### Candidates

* Rudolph M. Evans (Democratic), former member of the Federal Reserve Board of Governors
* Bourke B. Hickenlooper, incumbent Senator since 1945 (Republican)

### Results

1956 U.S. Senate election in Iowa :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Bourke B. Hickenlooper (incumbent) | 635,499 | 53.92% | 0.90 |
| | Democratic | Rudolph M. Evans | 543,156 | 46.08% | 1.38 |
| Total votes | Total votes | Total votes | 1,178,655 | 100.00% |