Elections / 1978 · Senate · OR
The Republican candidate won Oregon's Senate seat R+23.4.
Oregon, 1978. Candidate results and statewide totals below.
Oregon — 1978 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
341,616
38.3%
Republican (R)
550,165
61.7%
All others
0
0.0%
Margin
R+23.4
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 1978 Senate returns.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Mark Hatfield | RRepublican | 550,165 | 61.7% |
| Vern Cook | DDemocrat | 341,616 | 38.3% |
Oregon's Senate margins
Every contest in our store, 1978–2022
| Year | Margin (D minus R) |
|---|---|
| 1978 | −23.4% |
| 1980 | −8.1% |
| 1984 | −33.1% |
| 1986 | −26.9% |
| 1990 | −7.5% |
| 1992 | −5.7% |
| 1996 | −3.9% |
| 1998 | +27.3% |
| 2002 | −16.6% |
| 2004 | +31.6% |
| 2008 | +3.4% |
| 2010 | +18.0% |
| 2014 | +18.9% |
| 2016 | +23.3% |
| 2020 | +17.6% |
| 2022 | +14.9% |