2008Final results
2008 election for Wisconsin Senate District 20
Wisconsin State Senate · Wisconsin
Glenn Grothman (R) won with 80.3% of the vote, defeating Clyde Winter (Ind) by 60.7 points.
Glenn GrothmanRepublican · winner · incumbent
80.3%69,942
Clyde WinterIndependent
19.7%17,113
87,055 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 2008
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET