# 1918 Colorado gubernatorial election

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vte :
The 1918 Colorado gubernatorial election was held on November 5, 1918. Republican nominee Oliver Henry Shoup defeated Democratic nominee Thomas J. Tynan with 51.15% of the vote.

## Primary elections

Primary elections were held on September 10, 1918.

### Democratic primary
#### Candidates

* Thomas J. Tynan, Colorado State Penitentiary Warden

#### Results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Thomas J. Tynan | 102,397 | 100.00 |
| Total votes | Total votes | Total votes | 102,397 | 100.00 |

### Republican primary
#### Candidates

* Oliver Henry Shoup, businessman

#### Results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Oliver Henry Shoup | 112,693 | 100.00 |
| Total votes | Total votes | Total votes | 112,693 | 100.00 |

## General election
### Candidates

Major party candidates
* Oliver Henry Shoup, Republican
* Thomas J. Tynan, Democratic
Other candidates
* Mary L. Geffs, Socialist

### Results

1918 Colorado gubernatorial election :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Oliver Henry Shoup | 112,693 | 51.15% | +9.87% |
| | Democratic | Thomas J. Tynan | 102,397 | 46.47% | −6.80% |
| | Socialist | Mary L. Geffs | 5,251 | 2.38% | −2.00% |
| Majority | Majority | Majority | 10,296 | 4.68% | |
| Turnout | Turnout | Turnout | 220,341 | | |
| | Republican gain from Democratic | Republican gain from Democratic | Swing | | |