| C.F. Rhodes | March 22, 1887 to May 31, 1887 |
| Charles Cummings | June 1887 to October 1887 |
| Neil Connelly | November 1887 to April 1889 |
| Mayor W. Denney (Acting) | May 1889 to July 6, 1891 |
| Mayor M. Gahan (Acting) | July 7, 1891 to October 21, 1891 |
| Patrick J. Gibbons | October 22, 1891 to September 12, 1894 |
| Mayor C. Fitch (Acting) | September 13, 1894 to July 1895 |
| William S. Follmer | July 1895 to March 1, 1897 |
| James Broderick | March 15, 1897 to March 1, 1897 |
| Thomas S. Kennedy (Acting) | June 1899 to July 1901 |
| John J. McCormick | July 1901 to November 30, 1909 |
| Paul Brown | December 1, 1909 to September 1910 |
| C.H. Geisea | September 1910 to October 1910 |
| Ralph W. Downs | October 1910 to July 1911 |
| Frank Challberg | July 1911 to October 31, 1919 |
| Andrew Robinson | November 1, 1919 to April 1920 |
| William Buckley | April 1920 to March 1921 |
| George Albrecht | March 1921 to March 1922 |
| Louis Gschiedle | March 1922 to June 1923 |
| Truman Alcorn | June 1923 to June 30, 1933 |
| Norman Dieter | July 1933 (for 12 days) |
| Edgar McAlpine | July 1933 to August 31, 1940 |
| Louis Fuller (Acting) | September 1, 1940 to 1947 |
| Louis Fuller | 1947 to August 31, 1962 |
| Robert Ketcham | September 1, 1962 to May 31, 1970 |
| Arne Jensen | June 1, 1970 to May 31, 1978 |
| Leonard Bursott | June 1, 1978 to September 30, 1983 |
| Craig Kinney | October 1, 1983 to May 31, 1999 |
| David A. Vujovich (Acting) | June 1, 1999 to September 19, 1999 |
| Michael J. Messerich | September 20, 1999 to May 16, 2008 |
| Daniel S. Vujovich | May 16, 2008 to July 16, 2012 |
| Phillip Oeffling (Acting) | July 23, 2012 to November 5, 2012 |
| William M. Messerich | November 6, 2012 to April 30, 2022 |
| Brian J. Wicke | May 1, 2022 to Present |