1980Final results
1980 election for Wisconsin Assembly District 89
Wisconsin State Assembly · Wisconsin
Cletus Vanderperren (D) won with 59.0% of the vote, defeating Robert A. Thompson (R) by 18.1 points.
Cletus VanderperrenDemocrat · winner · incumbent
59.0%12,685
Robert A. ThompsonRepublican
41.0%8,799
21,484 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET