March 2, 1850
Special Election
A Special Election to fill the vacancy created by Nelson Taylor's abandonment of his State Senate seat.
| SD-San Joaquin | |||
| A. D. B. Brooks | Nonpartisan | 6.7% | Loss |
| W. M. Everett | Nonpartisan | 2.9% | Loss |
| William D. Fair | Nonpartisan | 69.9% | Win |
| Thomas B. Van Buren | Nonpartisan | 19.2% | Loss |
| J. B. Van Burn | Nonpartisan | 1.3% | Loss |
