Elections / 1980 · Senate · IA
Iowa — 1980 U.S. Senate election
Recent presidential results
1980 · U.S. SenateIowa · U.S. SenateCharles E. GrassleyR+7.9
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 1980 Senate returns.
- Charles E. Grassley✓Republican683,01453.5%
- John CulverDemocrat581,54545.5%
- Garry De YoungBy Petition5,8580.5%
- Robert V. HengererLibertarian4,2330.3%
- John Ingram HendersonBy Petition2,3360.2%
presidential baselinePresident 1980R+12.7Senate 1980R+7.9vs. baselineD+4.8
Iowa's 1980 Senate race ran 4.8 points more Democratic 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, 1980IA
Source. MIT Election Data + Science Lab — 1980 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.