2018Flipped from RepublicanFinal results
2018 election for Michigan Senate District 7
Michigan State Senate · Michigan
Dayna Polehanki (D) won with 50.6% of the vote, defeating Laura Cox (R) by 3.2 points, a seat Republicans won last time.
Dayna PolehankiDemocrat · winner
50.6%69,434
Laura CoxRepublican
47.3%65,001
Joseph H. LeblancLibertarian
2.1%2,892
137,327 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