Elections / 2004 · Senate · PA
The Republican candidate won Pennsylvania's Senate seat R+10.6.
Pennsylvania, 2004. Candidate results and statewide totals below. The presidential race shared this ballot.
Pennsylvania — 2004 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
2,334,126
42.0%
Republican (R)
2,925,080
52.6%
All others
299,319
5.4%
Margin
R+10.6
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2004 Senate returns.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Arlen Specter | RRepublican | 2,925,080 | 52.6% |
| Joseph M. Hoeffel | DDemocrat | 2,334,126 | 42.0% |
| James N. Clymer | OConstitution | 220,056 | 4.0% |
| Betsy Summer | OLibertarian | 79,263 | 1.4% |
Pennsylvania's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | −5.6% |
| 1980 | −2.4% |
| 1982 | −20.1% |
| 1986 | −13.6% |
| 1988 | −34.0% |
| 1992 | −2.8% |
| 1994 | −2.5% |
| 1998 | −26.6% |
| 2000 | −6.9% |
| 2004 | −10.6% |
| 2006 | +17.4% |
| 2010 | −2.0% |
| 2012 | +9.1% |
| 2016 | −1.4% |
| 2018 | +12.9% |
| 2022 | +4.9% |
| 2024 | −0.2% |