2010Final results
2010 election for Wisconsin Senate District 31
Wisconsin State Senate · Wisconsin
Kathleen Vinehout (D) won with 50.3% of the vote, defeating Ed Thompson (R) by 0.7 points.
Kathleen VinehoutDemocrat · winner · incumbent
50.3%30,314
Ed ThompsonRepublican
49.6%29,911
60,298 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET