| # | Office Holder | Party | Tenure |
|---|---|---|---|
| 1 | Donald T. Nelson | Republican | Nov 8, 1972 to Nov 3, 1982 |
| Paul Edwin Burkley | Republican | Nov 8, 1972 to Nov 3, 1982 | |
| Raymond Province Crowe | Republican | Nov 8, 1972 to Jul 31, 1975 | |
| Vacant | Jul 31, 1975 to Aug 14, 1975 | ||
| 4 | William Lyman Soards | Republican | Aug 14, 1975 to Nov 3, 1982 |
| 5 | James Leroy (Lee) Clingan | Democratic | Nov 3, 1982 to Nov 9, 1988 |
| 6 | F. Dale Grubb | Democratic | Nov 9, 1988 to Nov 7, 2012 |
| 7 | Alan Morrison | Republican | Nov 7, 2012 to Present |