The Democratic candidate won Montana's Senate seat D+3.6.
Montana, 2018. Candidate results and statewide totals below.
akashicMontana — 2018 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
253,876
50.3%
Republican (R)
235,963
46.8%
akashicCandidates
Statewide candidate totals — MIT Election Data + Science Lab, 2018 Senate returns.
akashic| Candidate | Party | Votes | Share |
|---|
| Jon Tester | DDemocrat | 253,876 | 50.3% |
| Matt Rosendale | RRepublican | 235,963 | 46.8% |
| Rick Breckenridge | OLibertarian | 14,545 | 2.9% |
akashic2018 presidential election
Montana, 2018
DemocraticD+3.6
How it voted
Share of the 2018 vote
| Democratic ✓Democratic | 50.3% | 253,876 |
|---|
| RepublicanRepublican | 46.8% | 235,963 |
|---|
| OtherAll other candidates | 2.9% | 14,545 |
|---|
56 counties, each filled by 2018 D-vs-R margin. Hover any county for its result.
akashicMontana's Senate margins
Every contest in our store, 1976–2024
Montana's Senate margins| Year | Margin (D minus R) |
|---|
| 1976 | +28.3% |
|---|
| 1978 | +11.4% |
|---|
| 1982 | +12.8% |
|---|
| 1984 | +16.2% |
|---|
| 1988 | −3.7% |
|---|
| 1990 | +38.7% |
|---|
| 1994 | −24.7% |
|---|
| 1996 | +4.9% |
|---|
| 2000 | −3.3% |
|---|
| 2002 | +31.0% |
|---|
| 2006 | +0.9% |
|---|
| 2008 | +45.8% |
|---|
| 2012 | +3.7% |
|---|
| 2014 | −17.7% |
|---|
| 2018 | +3.6% |
|---|
| 2020 | −10.0% |
|---|
| 2024 | −7.1% |
|---|