2016Final results
2016 election for Montana Senate District 3
Montana State Senate · Montana
Keith Regier (R) won with 56.8% of the vote, defeating Melissa L. Hartman (D) by 13.7 points.
Keith RegierRepublican · winner
56.8%6,511
Melissa L. HartmanDemocrat
43.2%4,946
The same year, the district voted R+15.8 for president; this race was R+13.7.11,457 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET