2018Final results
2018 election for Montana Senate District 1
Montana State Senate · Montana
Mike Cuffe (R) won with 83.2% of the vote, defeating Austen Lee Nelson (Lib) by 66.3 points.
Mike CuffeRepublican · winner
83.2%7,333
Austen Lee NelsonLibertarian
16.8%1,484
8,817 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