Elections / 2016 · Senate · SD
South Dakota — 2016 U.S. Senate election
Recent presidential results
Akashic2016 · U.S. SenateSouth Dakota · U.S. SenateJohn R. ThuneR+43.7
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2016 Senate returns.
- John R. Thune✓Republican265,51671.8%
- Jay WilliamsDemocrat104,14028.2%
presidential baselinePresident 2016R+29.8Senate 2016R+43.7vs. baselineR+13.9
South Dakota's 2016 Senate race ran 13.9 points more Republican than the presidential race on the same ballot.
South Dakota's Senate margins
Every contest in our store, 1978–2022
| Year | Margin (D minus R) |
|---|---|
| 1978 | −33.7% |
| 1980 | −18.8% |
| 1984 | −49.0% |
| 1986 | +3.2% |
| 1990 | −7.3% |
| 1992 | +32.4% |
| 1996 | +2.6% |
| 1998 | +25.7% |
| 2002 | +0.2% |
| 2004 | −1.2% |
| 2008 | +25.0% |
| 2010 | −100.0% |
| 2014 | −20.9% |
| 2016 | −43.7% |
| 2020 | −31.5% |
| 2022 | −43.5% |
Same ballot, 2016SD
Source. MIT Election Data + Science Lab — 2016 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.