| # | Office Holder | Party | Tenure |
|---|---|---|---|
| 1 | Robert Ray Richardson | Republican | Nov 9, 1966 to Nov 8, 1972 |
| 2 | Harry Vaughn Foreman | Republican | Nov 8, 1972 to Nov 6, 1974 |
| 3 | Joseph P. Harris | Democratic | Nov 6, 1974 to Nov 5, 1980 |
| 4 | Richard Olin Regnier | Republican | Nov 5, 1980 to Nov 3, 1982 |
| 5 | Sheila Ann Johnston Klinker | Democratic | Nov 3, 1982 to Present |