2018Final results
2018 election for Montana Senate District 30
Montana State Senate · Montana
John Esp (R) won with 53.2% of the vote, defeating Dan Vermillion (D) by 8.8 points.
John EspRepublican · winner
53.2%6,254
Dan VermillionDemocrat
44.3%5,214
Frank McLainLibertarian
2.5%296
11,764 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