Elections / 2016 · Senate · IA
Iowa — 2016 U.S. Senate election
Akashic2016 · U.S. SenateIowa · U.S. SenateChuck GrassleyR+24.5
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2016 Senate returns.
- Chuck Grassley✓(i)Republican926,00760.2%
- Patty JudgeDemocrat549,46035.7%
- Charles AldrichLibertarian41,7942.7%
- Jim HennagerNew Independent Party Iowa17,6491.1%
- Michael Luick-ThramsNominated By Petition4,4410.3%
presidential baselinePresident 2016R+9.3Senate 2016R+24.5vs. baselineR+15.1
Iowa's 2016 Senate race ran 15.1 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, 2016IA
Source. MIT Election Data + Science Lab — 2016 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.