Michigan held special elections on November 7, 2017, deciding 2 legislative seats.
Legislature
- House (110 seats): 47 D, 63 R before the election, 46 D, 63 R, 1 other or vacant after; control stayed with Republicans.
- Senate (38 seats): 11 D, 27 R before the election, 11 D, 27 R after; control stayed with Republicans.
Legislative races
| Race | Winner | Others | Notes |
|---|---|---|---|
| House 1 | Tenisha Yancey (D) 71.6% | Mark Corcoran (R) 25.1%, Gregory Creswell (L) 3.3% | |
| House 109 | Sara Cambensy (D) 56.7% | Rich Rossway (R) 42%, Wade Paul Roberts (G) 1.3% |