2018Final results
2018 election for Michigan Senate District 18
Michigan State Senate · Michigan
Jeff Irwin (D) won with 76.6% of the vote, defeating Martin A. Church (R) by 55.6 points.
Jeff IrwinDemocrat · winner
76.6%96,891
Martin A. ChurchRepublican
21.0%26,620
Thomas RepaskyOther party
2.3%2,954
126,465 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