# 1958 South Dakota gubernatorial election

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The 1958 South Dakota gubernatorial election was held on November 4, 1958.
Incumbent Republican Governor Joe Foss was term-limited.
Democratic nominee Ralph Herseth defeated Republican nominee Phil Saunders with 51.40% of the vote.

## Primary elections

Primary elections were held on June 3, 1958.

### Democratic primary
#### Candidates

* Ralph Herseth, State Senator

#### Results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ralph Herseth | | unopposed |

### Republican primary
#### Candidates

* Phil Saunders, incumbent Attorney General of South Dakota
* L. Roy Houck, incumbent Lieutenant Governor
* Charles Lacey, state representative

#### Results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Phil Saunders | 49,746 | 61.60 |
| | Republican | L. Roy Houck | 21,621 | 26.77 |
| | Republican | Charles Lacey | 9,384 | 11.62 |
| Total votes | Total votes | Total votes | 80,751 | 100.00 |

## General election
### Candidates

* Ralph Herseth, Democratic
* Phil Saunders, Republican

### Results

1958 South Dakota gubernatorial election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ralph Herseth | 132,761 | 51.40% |
| | Republican | Phil Saunders | 125,520 | 48.60% |
| Majority | Majority | Majority | 7,241 | 2.80% |
| Turnout | Turnout | Turnout | 258,281 | 100.00% |
| | Democratic gain from Republican | Democratic gain from Republican | Swing | |