2020Final results
2020 election for Montana House District 89
Montana House of Representatives · Montana
Katie Sullivan (D) won with 60.1% of the vote, defeating Gary Wanberg (R) by 20.2 points.
Katie SullivanDemocrat · winner · incumbent
60.1%3,374
Gary WanbergRepublican
39.9%2,242
5,616 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET