1988Final results
1988 election for Michigan House District 18
Michigan House of Representatives · Michigan
Sidney Ouwinga (R) won with 69.5% of the vote, defeating John Ashby (D) by 39.0 points.
Sidney OuwingaRepublican · winner · incumbent
69.5%25,246
John AshbyDemocrat
30.5%11,084
36,331 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET