# Missouri's 15th Senate district

Missouri's 15th Senatorial District is one of 34 districts in the Missouri Senate. The district has been represented by Republican David Gregory since 2025.

## Geography

The district is based in the St. Louis metropolitan area. The district is in southwestern St. Louis County, including the cities of Ballwin, Chesterfield, Ellisville, Manchester, Town & Country, and Wildwood. The district is also home to Maryville University, Missouri Botanical Garden's Sophia M. Sachs Butterfly House in Faust Park, and Castlewood State Park.

## Election Results (1996-2024)
### 1996

Missouri's 15th Senatorial District Election (1996) :
| Party | Party | Candidate | Votes | % |
| | Republican | Walt Mueller | 45,049 | 57.63 |
| | Democratic | Patricia D. Gray | 31,748 | 40.61 |
| | Libertarian | Matthew W. Peters | 1,372 | 1.76 |
| Total votes | Total votes | Total votes | 78,169 | 100.00 |

### 2000

Missouri's 15th Senatorial District Election (2000) :
| Party | Party | Candidate | Votes | % |
| | Republican | Michael R. Gibbons | 49,823 | 59.41 |
| | Democratic | Marjorie M. Reinhart | 34,045 | 40.59 |
| Total votes | Total votes | Total votes | 83,868 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2004

Missouri's 15th Senatorial District Election (2004) :
| Party | Party | Candidate | Votes | % |
| | Republican | Michael R. Gibbons (incumbent) | 48,876 | 51.90 |
| | Democratic | Jeanne Kirkton | 43,647 | 46.35 |
| | Libertarian | Frank Gilmour | 925 | 0.98 |
| | Green | Lydia Lewis | 720 | 0.76 |
| Total votes | Total votes | Total votes | 94,168 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2008

Missouri's 15th Senatorial District Election (2008) :
| Party | Party | Candidate | Votes | % |
| | Republican | Eric Schmitt | 51,366 | 54.74 |
| | Democratic | James Trout | 42,469 | 45.26 |
| Total votes | Total votes | Total votes | 93,835 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2012

Missouri's 15th Senatorial District Election (2012) :
| Party | Party | Candidate | Votes | % |
| | Republican | Eric Schmitt (incumbent) | 77,745 | 100.00 |
| Total votes | Total votes | Total votes | 77,745 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2016

Missouri's 15th Senatorial District Election (2016) :
| Party | Party | Candidate | Votes | % |
| | Republican | Andrew Koenig | 62,988 | 61.03 |
| | Democratic | Stephen Eagleton | 40,193 | 38.94 |
| | Write-In | Richard Magee | 33 | 0.03 |
| Total votes | Total votes | Total votes | 103,214 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2020

Missouri's 15th Senatorial District Election (2020) :
| Party | Party | Candidate | Votes | % |
| | Republican | Andrew Koenig (incumbent) | 61,172 | 53.99 |
| | Democratic | Deb Lavender | 52,132 | 46.01 |
| Total votes | Total votes | Total votes | 113,304 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### 2024

Missouri's 15th Senatorial District Election (2024) :
| Party | Party | Candidate | Votes | % |
| | Republican | David Gregory | 56,093 | 51.62 |
| | Democratic | Joe Pereles | 50,841 | 46.79 |
| | Libertarian | Jeff Coleman | 1,733 | 1.60 |
| Total votes | Total votes | Total votes | 108,667 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## Statewide Election Results

| Year | Office | Results |
| 2008 | President | McCain 59.1 – 40.1% |
| 2012 | President | Romney 64.6 – 35.4% |
| 2016 | President | Trump 55.2 – 40.0% |
| 2016 | Senate | Blunt 53.8 – 43.4% |
| 2016 | Governor | Greitens 56.0 – 41.7% |
| 2018 | Senate | Hawley 52.3 – 46.1% |
| 2020 | President | Trump 50.9 – 47.6% |
| 2020 | Governor | Parson 53.3 – 45.2% |
Source: