Elections / 2004 · Senate · OH
The Republican candidate won Ohio's Senate seat R+27.7.
Ohio, 2004. Party-level statewide totals below — candidate names join when the raw MEDSL store is re-fetched with name columns. The presidential race shared this ballot.
Ohio — 2004 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
1,961,171
36.1%
Republican (R)
3,464,356
63.9%
All others
0
0.0%
Margin
R+27.7
Ohio's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | +3.0% |
| 1980 | +41.0% |
| 1982 | +15.5% |
| 1986 | +24.9% |
| 1988 | +14.0% |
| 1992 | +8.7% |
| 1994 | −14.2% |
| 1998 | −12.9% |
| 2000 | −24.1% |
| 2004 | −27.7% |
| 2006 | +12.4% |
| 2010 | −17.4% |
| 2012 | +6.0% |
| 2016 | −20.9% |
| 2018 | +6.8% |
| 2022 | −6.1% |
| 2024 | −3.6% |