Assembly District 40
Current member
Karen DeSanto Democratic
On the November 2026 ballot — challenged by Julie Helmer (R)
Decided by 8.2 points in 2024.
Who has held this seat
From the Legislature's service records; our records begin with the 2009 session. District boundaries were redrawn in 2011, 2022, and again in 2024, so the seat's constituency shifts across those lines.
General-election results
Official Wisconsin Elections Commission canvass results.
November 2024 33,186 ballots cast
- Karen DeSanto D 17,949 54.1%
- Jerry Helmer R 15,221 45.9%
November 2022 25,716 ballots cast
- Kevin Petersen R 19,361 75.3%
- Henry Fries I 6,296 24.5%