Elections / 2004 · Senate · IA
Iowa — 2004 U.S. Senate election
Recent presidential results
Akashic2004 · U.S. SenateIowa · U.S. SenateCharles E. GrassleyR+42.3
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2004 Senate returns.
- Charles E. Grassley✓(i)Republican1,038,17570.2%
- Arthur SmallDemocrat412,36527.9%
- Christy Ann WeltyLibertarian15,2181.0%
- Daryl A. NorthropGreen11,1210.8%
- Edwin FruitSocialist Workers1,8740.1%
presidential baselinePresident 2004R+0.7Senate 2004R+42.3vs. baselineR+41.7
Iowa's 2004 Senate race ran 41.7 points more Republican than the presidential race on the same ballot.
Iowa's Senate margins
Every contest in our store, 1978–2022
| Year | Margin (D minus R) |
|---|---|
| 1978 | −3.2% |
| 1980 | −7.9% |
| 1984 | +11.8% |
| 1986 | −32.5% |
| 1990 | +9.1% |
| 1992 | −42.4% |
| 1996 | +5.1% |
| 1998 | −37.9% |
| 2002 | +10.4% |
| 2004 | −42.3% |
| 2008 | +25.4% |
| 2010 | −31.1% |
| 2014 | −8.3% |
| 2016 | −24.5% |
| 2020 | −6.6% |
| 2022 | −12.2% |
Same ballot, 2004IA
Source. MIT Election Data + Science Lab — 2004 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.