South Dakota — 1986 U.S. Senate election
Recent presidential results
Akashicstate1986 Senate electionSouth Dakota · U.S. SenateDaschleD+3.2
How it voted
Share of the 1986 vote
| Thomas A. Daschle ✓Democrat | 51.6% | 152,657 |
|---|---|---|
| James Abdnor (i)Republican | 48.4% | 143,173 |
1986Senate margin
D+60R+60
66 counties, each filled by 1986 D-vs-R margin. Hover any county for its result.
County-level results (66 counties) — table
| County | Winner | Margin |
|---|---|---|
| AURORA, SD | Democratic | D+10.4 |
| BEADLE, SD | Democratic | D+4.2 |
| BENNETT, SD | Democratic | D+10.8 |
| BON HOMME, SD | Democratic | D+2.5 |
| BROOKINGS, SD | Republican | R+1.8 |
| BROWN, SD | Democratic | D+15.9 |
| BRULE, SD | Democratic | D+1.6 |
| BUFFALO, SD | Democratic | D+41.0 |
| BUTTE, SD | Republican | R+22.5 |
| CAMPBELL, SD | Republican | R+20.9 |
| CHARLES MIX, SD | Democratic | D+10.3 |
| CLARK, SD | Democratic | D+7.9 |
| CLAY, SD | Democratic | D+14.8 |
| CODINGTON, SD | Democratic | D+9.8 |
| CORSON, SD | Democratic | D+17.4 |
| CUSTER, SD | Republican | R+10.2 |
| DAVISON, SD | Democratic | D+0.3 |
| DAY, SD | Democratic | D+20.0 |
| DEUEL, SD | Democratic | D+16.8 |
| DEWEY, SD | Democratic | D+25.8 |
| DOUGLAS, SD | Republican | R+25.6 |
| EDMUNDS, SD | Democratic | D+12.2 |
| FALL RIVER, SD | Republican | R+2.4 |
| FAULK, SD | Democratic | D+1.6 |
| GRANT, SD | Democratic | D+5.7 |
| GREGORY, SD | Republican | R+5.9 |
| HAAKON, SD | Republican | R+45.1 |
| HAMLIN, SD | Democratic | D+5.2 |
| HAND, SD | Republican | R+2.1 |
| HANSON, SD | Democratic | D+1.4 |
| HARDING, SD | Republican | R+26.2 |
| HUGHES, SD | Republican | R+21.6 |
| HUTCHINSON, SD | Republican | R+17.7 |
| HYDE, SD | Republican | R+11.7 |
| JACKSON, SD | Republican | R+17.5 |
| JERAULD, SD | Republican | R+1.1 |
| JONES, SD | Republican | R+41.2 |
| KINGSBURY, SD | Democratic | D+5.2 |
| LAKE, SD | Democratic | D+11.4 |
| LAWRENCE, SD | Republican | R+6.5 |
| LINCOLN, SD | Democratic | D+9.6 |
| LYMAN, SD | Republican | R+29.6 |
| MARSHALL, SD | Democratic | D+19.4 |
| MCCOOK, SD | Democratic | D+11.5 |
| MCPHERSON, SD | Republican | R+27.9 |
| MEADE, SD | Republican | R+6.9 |
| MELLETTE, SD | Republican | R+0.7 |
| MINER, SD | Democratic | D+15.3 |
| MINNEHAHA, SD | Democratic | D+10.9 |
| MOODY, SD | Democratic | D+23.5 |
| PENNINGTON, SD | Republican | R+8.8 |
| PERKINS, SD | Republican | R+3.4 |
| POTTER, SD | Republican | R+19.8 |
| ROBERTS, SD | Democratic | D+19.4 |
| SANBORN, SD | Democratic | D+2.6 |
| SHANNON, SD | Democratic | D+76.5 |
| SPINK, SD | Democratic | D+8.0 |
| STANLEY, SD | Republican | R+22.0 |
| SULLY, SD | Republican | R+9.5 |
| TODD, SD | Democratic | D+39.9 |
| TRIPP, SD | Republican | R+17.1 |
| TURNER, SD | Republican | R+3.1 |
| UNION, SD | Democratic | D+22.5 |
| WALWORTH, SD | Republican | R+15.0 |
| YANKTON, SD | Democratic | D+4.3 |
| ZIEBACH, SD | Democratic | D+10.0 |
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 comparable D–R 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 · county returns aggregated from precinct-level results. Real returns — nothing estimated.