2018Final results
2018 election for Wisconsin Senate District 23
Wisconsin State Senate · Wisconsin
Kathy Bernier (R) won with 59.2% of the vote, defeating Chris Kapsner (D) by 18.3 points.
Kathy BernierRepublican · winner
59.2%42,958
Chris KapsnerDemocrat
40.8%29,637
72,595 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