1986Final results
1986 election for Michigan House District 18
Michigan House of Representatives · Michigan
Sidney Ouwinga (R) won with 67.0% of the vote, defeating Mathias Forbes (D) by 34.0 points.
Sidney OuwingaRepublican · winner · incumbent
67.0%17,801
Mathias ForbesDemocrat
33.0%8,761
26,563 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET