# 1950 United States Senate election in Colorado

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vte :
The 1950 United States Senate election in Colorado took place on November 7, 1950. Incumbent Republican Senator Eugene Millikin ran for re-election to his second full term. He faced a strong challenge from Congressman John A. Carroll, the Democratic nominee, in the general election. Carroll ultimately lost, but despite facing considerable headwinds nationwide, held Millikin to the narrowest victory of his career.

## Democratic primary
### Candidates

* John A. Carroll, U.S. Congressman from Colorado's 1st congressional district

### Results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | John A. Carroll | 66,507 | 100.00 |
| Total votes | Total votes | Total votes | 66,507 | 100.00 |

## Republican primary
### Candidates

* Eugene Millikin, incumbent U.S. Senator

### Results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Eugene D. Millikin (inc.) | 70,953 | 100.00 |
| Total votes | Total votes | Total votes | 70,953 | 100.00 |

## General election
### Results

1950 United States Senate election in Colorado :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Eugene Millikin (inc.) | 239,724 | 53.25% | −2.80% |
| | Democratic | John A. Carroll | 210,442 | 46.75% | +3.44% |
| Majority | Majority | Majority | 29,282 | 6.50% | −6.24% |
| Turnout | Turnout | Turnout | 450,166 | | |
| | Republican hold | Republican hold | Republican hold | Republican hold | Republican hold |