| # | Office Holder | Party | Tenure |
|---|---|---|---|
| 1 | Guy Victor Green | Democratic | Nov 9, 1966 to Nov 6, 1968 |
| 2 | Earl Wilson | Republican | Nov 6, 1968 to Nov 8, 1972 |
| 3 | Martin (Chip) Koons Edwards | Republican | Nov 8, 1972 to Jan 6, 1981 |
| Vacant | Jan 6, 1981 to Jan 21, 1981 | ||
| 4 | Michael K Rogers | Republican | Jan 21, 1981 to Aug 15, 1988 |
| Vacant | Aug 15, 1988 to Sep 6, 1988 | ||
| 5 | Beverly J. Gard | Republican | Sep 6, 1988 to Nov 7, 2012 |
| 6 | Michael Crider | Republican | Nov 7, 2012 to Present |