1998Final results
1998 election for Michigan Senate District 9
Michigan State Senate · Michigan
Thaddeus McCotter (R) won with 61.9% of the vote, defeating Carol Poenisch (D) by 27.6 points.
Thaddeus McCotterRepublican · winner
61.9%53,396
Carol PoenischDemocrat
34.2%29,548
David NagyLibertarian
3.9%3,385
86,329 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 1998
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET