2018Flipped from RepublicanFinal results
2018 election for Michigan Senate District 12
Michigan State Senate · Michigan
Rosemary Bayer (D) won with 49.4% of the vote, defeating Michael McCready (R) by 0.8 points, a seat Republicans won last time.
Rosemary BayerDemocrat · winner
49.4%59,302
Michael McCreadyRepublican
48.6%58,363
Jeff PittelLibertarian
2.0%2,404
120,071 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET