June 7, 1966
Primary Election
| Superintendent of Public Instruction | |||
| Willard Harper | Nonpartisan | 12.7% | Loss |
| Charlotte Kay Motter | Nonpartisan | 6.6% | Loss |
| Max Rafferty | Nonpartisan | 68.5% | Win |
| Ashley Simms | Nonpartisan | 12.2% | Loss |
Special Election
Special Election to fill the vacancy caused by the death of Congressman John F. Baldwin Jr. (CD-14).
| CD-14 | |||
| Leo Antonio Costa | Democratic | 4.3% | Loss |
| Dooris G. "Duke" Johnston | Republican | 1.6% | Loss |
| Frank J. Newman | Republican | 31.2% | Loss |
| John A. Richardson | Republican | 10.5% | Loss |
| Jerome Waldie | Democratic | 51.2% | Win |
| Tallak B. Wralstad | Republican | 1.2% | Loss |