2018Final results
2018 election for Wisconsin Assembly District 30
Wisconsin State Assembly · Wisconsin
Shannon Zimmerman (R) won with 53.9% of the vote, defeating Barry Hammarback (D) by 7.9 points.
Shannon ZimmermanRepublican · winner · incumbent
53.9%15,240
Barry HammarbackDemocrat
46.1%13,015
28,255 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