| # | Office Holder | Party | Tenure |
|---|---|---|---|
| 1 | Joseph G. Bruggenschmidt | Democratic | Nov 8, 1972 to Nov 8, 1978 |
| 2 | Michael Charles Kendall | Democratic | Nov 8, 1978 to Nov 3, 1982 |
| 3 | Frank Leslie O'Bannon | Democratic | Nov 3, 1982 to Dec 1, 1988 |
| Vacant | Dec 1, 1988 to Dec 10, 1988 | ||
| 4 | Richard Young | Democratic | Dec 10, 1988 to Nov 5, 2014 |
| 5 | Erin Houchin | Republican | Nov 5, 2014 to Feb 4, 2022 |
| Vacant | Feb 4, 2022 to Feb 9, 2022 | ||
| 6 | Gary Byrne | Republican | Feb 9, 2022 to Present |