1986Final results
1986 election for Wisconsin Senate District 9
Wisconsin State Senate · Wisconsin
William P. Tewinkle (D) won with 62.5% of the vote, defeating Messner (R) by 25.8 points.
William P. TewinkleDemocrat · winner
62.5%29,641
MessnerRepublican
36.7%17,389
LarsonIndependent
0.8%400
47,444 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