2018Final results
2018 election for Wisconsin Senate District 5
Wisconsin State Senate · Wisconsin
Dale Kooyenga (R) won with 51.2% of the vote, defeating Julie Henszey (D) by 2.4 points.
Dale KooyengaRepublican · winner
51.2%47,836
Julie HenszeyDemocrat
48.8%45,591
93,427 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET