Elections / 1986 · Senate · SD
South Dakota — 1986 U.S. Senate election
Recent presidential results
1986 · U.S. SenateSouth Dakota · U.S. SenateThomas A. DaschleD+3.2
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 1986 Senate returns.
- Thomas A. Daschle✓Democrat152,65751.6%
- James Abdnor(i)Republican143,17348.4%
presidential baselinePresident 1984R+26.5Senate 1986D+3.2vs. baselineD+29.7
South Dakota's 1986 Senate race ran 29.7 points more Democratic than its 1984 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, 1986SD
Source. MIT Election Data + Science Lab — 1986 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.