Elections / 2012 · Senate · MT
The Democratic candidate won Montana's Senate seat D+3.7.
Montana, 2012. Candidate results and statewide totals below. The presidential race shared this ballot.
Montana — 2012 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
236,123
48.6%
Republican (R)
218,051
44.9%
All others
31,892
6.6%
Margin
D+3.7
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2012 Senate returns.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Jon Tester | DDemocrat | 236,123 | 48.6% |
| Denny Rehberg | RRepublican | 218,051 | 44.9% |
| Dan Cox | OLibertarian | 31,892 | 6.6% |
Montana's Senate margins
Every contest in our store, 1976–2024
| 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% |