List of county executives of St. Louis County, Missouri
# List of county executives of St. Louis County, Missouri

Number of county executives of St. Louis County by party affiliation :

| Party | County executives |
| - | - |
| Republican | 4 |
| Democratic | 5 |

The county executive of St. Louis County, Missouri is the chief executive officer of St. Louis County's government.

## County executives

### Presiding Justices, Court of Quarter Sessions

| # | Justice | Took office | Left office |
| - | - | - | - |
| 1 | Charles Gratiot | 1804 | 1813 |

### Presiding Justices, County Court

| # | Justice | Took office | Left office |
| - | - | - | - |
| 1 | Samuel Hammond | 1813 | 1814 |
| 2 | George T. Tompkins | 1814 | 1815 |
| 3 | David Barton | 1815 | 1817 |
| 4 | Nathan B. Tucker | 1817 | 1820 |
| 5 | Alexander Gray | 1820 | 1820 |
| 6 | Nathan B. Tucker | 1820 | 1821 |
| 7 | Joseph V. Garnier | 1821 | 1830 |
| 8 | Marie Phillip Leduc | 1830 | 1842 |
| 9 | Henry Walton | 1842 | 1847 |
| 10 | Archibald Gamble | 1847 | 1854 |
| 11 | David Thomas | 1854 | 1857 |
| 12 | Aaron R. Hackney | 1857 | 1859 |

### President of the Board of Commissioners

| # | President | Took office | Left office |
| - | - | - | - |
| 1 | John H. Lightner | 1859 | 1863 |

### Presiding Justices, County Court

Republican  Democratic

| # | Justice | Took office | Left office | Party |
| - | - | - | - | - |
| 13 | John H. Lightner | 1863 | 1866 | — |
| 14 | Benjamin Charles | 1866 | 1869 | — |
| 15 | Thomas J. Dailey | 1869 | 1870 | — |
| 16 | Ferdinand Cronebold | 1870 | 1872 | — |
| 17 | Charles Spech | 1872 | 1873 | — |
| 18 | C.F. Schultz | 1873 | 1876 | — |
| 19 | Charles Spech | 1876 | 1877 | — |
| 20 | Henry L. Sutton | 1877 | 1878 | Democrat |
| 21 | George W. Brouster | 1878 | 1882 | Republican |
| 22 | W.A. Hequembourg | 1883 | 1886 | Republican |
| 23 | Julius Nolte | 1887 | 1888 | Republican |
| 24 | Theodore Heege | 1889 | 1898 | Republican |
| 25 | Henry L. Wilson | 1899 | 1902 | Republican |
| 26 | Theodore Heege | 1903 | 1906 | Republican |
| 27 | John Wiethaupt | 1907 | 1923 | Republican |
| 28 | Richard S. Smiley | 1923 | 1927 | Democrat |
| 29 | Albert Wehmeyer | 1927 | 1937 | Republican |
| 30 | Thomas H. Thatcher | 1937 | 1941 | Democrat |
| 31 | Clifford Corneli | 1941 | 1942 | Republican |
| 32 | Henry L. Mueller | 1943 | 1943 | Republican |
| 33 | Luman F. Matthews | 1943 | 1950 | Democrat |

### County Executives

| # | Name | Took office | Left office | Party | Terms |
| - | - | - | - | - | - |
| 1 | Luman F. Matthews | 1951 | 1959 | Republican | 2 |
| 2 | James H. J. McNary | 1959 | 1963 | Democrat | 1 |
| 3 | Lawrence K. Roos | 1963 | 1975 | Republican | 3 |
| 4 | Gene McNary | 1975 | October 25, 1989 | Republican | 3½ |
| 5 | H. C. Milford | October 25, 1989 | January 1, 1991 | Republican | ½ |
| 6 | Buzz Westfall | January 1, 1991 | October 14, 2003 | Democrat | 3½ |
| 7 | Charlie Dooley | October 14, 2003 | January 1, 2015 | Democrat | 2½ |
| 8 | Steve Stenger | January 1, 2015 | April 29, 2019 | Democrat | 1½ |
| 9 | Sam Page | April 29, 2019 | Present | Democrat | |
