# 1958 United States Senate election in Michigan

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vte :
The 1958 United States Senate election in Michigan was held on November 4, 1958.
Incumbent Senator Charles E. Potter was defeated in his bid for re-election to a second term by Lieutenant Governor Philip A. Hart. This was one of a record 15 seats Democrats gained from the Republican Party. This was the first time since 1857 that Democrats held both Senate seats in the state simultaneously.

## Republican primary
### Candidates

* Charles E. Potter, incumbent Senator

### Results

Senator Potter was unopposed for re-nomination by the Republican Party.

## Democratic primary
### Candidates

* Philip Hart, Lieutenant Governor of Michigan
* Homer Martin, former UAW President

### Results

1958 Democratic U.S. Senate primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Philip Hart | 297,767 | 80.24% |
| | Democratic | Homer Martin | 73,334 | 19.76% |
| | Write-in | All others | 18 | 0.00% |
| Total votes | Total votes | Total votes | 371,114 | 100.00% |

## General election
### Candidates

* Philip Hart, Lieutenant Governor of Michigan (Democratic)
* Elmer H. Ormiston (Prohibition)
* Charles E. Potter, incumbent Senator since 1953 (Republican)
* Evelyn Sell (Socialist Workers)
* James Sim, perennial candidate (Socialist Labor)

### Results

General election results :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Philip Hart | 1,216,966 | 53.57% | 4.53 |
| | Republican | Charles E. Potter (incumbent) | 1,046,963 | 46.09% | 4.54 |
| | Prohibition | Elmert H. Ormiston | 3,518 | 0.16% | 0.10 |
| | Socialist Labor | James Sim | 3,128 | 0.14% | 0.10 |
| | Socialist Workers | Evelyn Sell | 1,068 | 0.05% | 0.02 |
| Total votes | Total votes | Total votes | 2,271,643 | 100.00% | N/A |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |