| # | Office Holder | Party | Tenure |
|---|---|---|---|
| 1 | Dennis Henry Heeke | Democratic | Nov 8, 1972 to Nov 3, 1982 |
| 2 | Paul Joseph Robertson | Democratic | Nov 3, 1982 to Nov 3, 2010 |
| 3 | Rhonda Rhoads | Republican | Nov 3, 2010 to Nov 9, 2016 |
| 4 | Karen Engleman | Republican | Nov 9, 2016 to Present |