| County Supervisor 1st District | |
| 50+% to win, else top two on Nov. ballot | 93 of 93 Precincts |
| Susan Gorin | | 6,625 | 23.9% | ||
| John Sawyer | | 6,439 | 23.2% | ||
| Gina Cuclis | | 4,732 | 17.1% | ||
| Joanne Sanders | | 4,402 | 15.9% | ||
| Mark Bramfitt | | 3,914 | 14.1% | ||
| Michael McClure | | 1,636 | 5.9% |
| County Supervisor 3rd District | |
| 50+% to win, else top two on Nov. ballot | 47 of 47 Precincts |
| Shirlee Zane, Inc. | | 10,343 | 63.2% | ||
| Tim Smith | | 6,028 | 36.8% |
| County Supervisor 5th District | |
| 50+% to win, else top two on Nov. ballot | 83 of 83 Precincts |
| Efren Carrillo, Inc. | | 13,152 | 58.5% | ||
| Ernest Carpenter | | 6,374 | 28.4% | ||
| Veronica Jacobi | | 2,941 | 13.1% |