Elections / 2010 · Senate · SD
South Dakota — 2010 U.S. Senate election
Recent presidential results
Akashic2010 · U.S. SenateSouth Dakota · U.S. SenateJohn ThuneR+100.0
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2010 Senate returns.
- John Thune✓(i)Republican227,947100.0%
presidential baselinePresident 2008R+8.4Senate 2010R+100.0vs. baselineR+91.6
South Dakota's 2010 Senate race ran 91.6 points more Republican than its 2008 presidential margin.
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, 2010SD
Source. MIT Election Data + Science Lab — 2010 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.