2010Final results
2010 election for Wisconsin Assembly District 40
Wisconsin State Assembly · Wisconsin
Kevin Petersen (R) won with 69.1% of the vote, defeating Jon Baltmanis (D) by 38.3 points.
Kevin PetersenRepublican · winner · incumbent
69.1%12,749
Jon BaltmanisDemocrat
30.8%5,682
18,442 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