A head to head comparison of the Montana 2018 General Election gives us an idea of the break down of the voters.
Jon Tester received 253.88k (50.33 %) votes, beating Matt Rosendale who gained 235.96k (46.78 %) by 17.91k votes in Montana.
Jon Tester won 13 counties out of the 56 counties that make up Montana. The record shows that Matt Rosendale won 43 counties.
During the 2018 general elections, over 504k total number of votes were cast. Jon Tester got 253,876 (254k) over Matt Rosendale 235,963 (236k). He won the popular vote by 253,876 (254k). His victory in the State of Montana (with 253,876 votes) represents 50.0% of his popular vote victory.
Top 15 Counties in General Elections
All Candidates (Senate General Elections)
These 15 counties play an important role in these Primary elections. If a candidate, can get a sizable majority in the largest counties (Missoula, Gallatin and Yellowstone), it becomes very difficult to win majorities in the smaller counties without voter outreach and increased voter participation in them.
Top 15 Counties Comparison in General Elections
Missoula, Gallatin and Yellowstone, three of the larger counties voted in favor of Jon Tester, giving him a 24k vote advantage.