2018Final results
2018 election for Michigan House District 66
Michigan House of Representatives · Michigan
Beth Griffin (R) won with 56.8% of the vote, defeating Dan Seibert (D) by 13.6 points.
Beth GriffinRepublican · winner · incumbent
56.8%20,577
Dan SeibertDemocrat
43.2%15,637
36,214 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