South Dakota — 1990 U.S. Senate election
Recent presidential results
Akashicstate1990 Senate electionSouth Dakota · U.S. SenatePresslerR+7.3
How it voted
Share of the 1990 vote
| Larry Pressler (i) ✓Republican | 52.4% | 135,682 |
|---|---|---|
| Ted MuensterDemocrat | 45.1% | 116,727 |
| Dean L. SinclairIndependent | 2.5% | 6,567 |
1990Senate margin
D+60R+60
66 counties, each filled by 1990 D-vs-R margin. Hover any county for its result.
County-level results (66 counties) — table
| County | Winner | Margin |
|---|---|---|
| AURORA, SD | Republican | R+9.1 |
| BEADLE, SD | Republican | R+5.1 |
| BENNETT, SD | Republican | R+28.5 |
| BON HOMME, SD | Republican | R+20.3 |
| BROOKINGS, SD | Republican | R+8.5 |
| BROWN, SD | Democratic | D+13.9 |
| BRULE, SD | Republican | R+5.8 |
| BUFFALO, SD | Republican | R+14.3 |
| BUTTE, SD | Republican | R+28.3 |
| CAMPBELL, SD | Republican | R+18.1 |
| CHARLES MIX, SD | Republican | R+7.7 |
| CLARK, SD | Democratic | D+3.7 |
| CLAY, SD | Democratic | D+0.03 |
| CODINGTON, SD | Democratic | D+10.8 |
| CORSON, SD | Republican | R+21.2 |
| CUSTER, SD | Republican | R+19.7 |
| DAVISON, SD | Republican | R+10.8 |
| DAY, SD | Democratic | D+16.8 |
| DEUEL, SD | Republican | R+3.3 |
| DEWEY, SD | Republican | R+19.7 |
| DOUGLAS, SD | Republican | R+40.4 |
| EDMUNDS, SD | Democratic | D+7.2 |
| FALL RIVER, SD | Republican | R+18.8 |
| FAULK, SD | Democratic | D+4.6 |
| GRANT, SD | Republican | R+7.8 |
| GREGORY, SD | Republican | R+9.0 |
| HAAKON, SD | Republican | R+55.6 |
| HAMLIN, SD | Republican | R+0.2 |
| HAND, SD | Republican | R+13.9 |
| HANSON, SD | Republican | R+20.0 |
| HARDING, SD | Republican | R+37.1 |
| HUGHES, SD | Republican | R+1.8 |
| HUTCHINSON, SD | Republican | R+23.8 |
| HYDE, SD | Republican | R+2.1 |
| JACKSON, SD | Republican | R+35.6 |
| JERAULD, SD | Republican | R+17.0 |
| JONES, SD | Republican | R+28.2 |
| KINGSBURY, SD | Republican | R+3.8 |
| LAKE, SD | Republican | R+8.9 |
| LAWRENCE, SD | Republican | R+15.0 |
| LINCOLN, SD | Republican | R+10.9 |
| LYMAN, SD | Republican | R+10.9 |
| MARSHALL, SD | Democratic | D+8.1 |
| MCCOOK, SD | Republican | R+17.7 |
| MCPHERSON, SD | Republican | R+22.0 |
| MEADE, SD | Republican | R+15.9 |
| MELLETTE, SD | Republican | R+24.1 |
| MINER, SD | Republican | R+7.1 |
| MINNEHAHA, SD | Republican | R+3.0 |
| MOODY, SD | Democratic | D+0.04 |
| PENNINGTON, SD | Republican | R+13.5 |
| PERKINS, SD | Republican | R+18.8 |
| POTTER, SD | Democratic | D+2.1 |
| ROBERTS, SD | Democratic | D+4.9 |
| SANBORN, SD | Republican | R+17.8 |
| SHANNON, SD | Democratic | D+13.5 |
| SPINK, SD | Democratic | D+4.8 |
| STANLEY, SD | Republican | R+0.6 |
| SULLY, SD | Republican | R+6.2 |
| TODD, SD | Democratic | D+0.2 |
| TRIPP, SD | Republican | R+20.4 |
| TURNER, SD | Republican | R+19.5 |
| UNION, SD | Republican | R+8.4 |
| WALWORTH, SD | Republican | R+1.0 |
| YANKTON, SD | Republican | R+16.8 |
| ZIEBACH, SD | Republican | R+5.9 |
presidential baselinePresident 1988R+6.3Senate 1990R+7.3vs. baselineR+1.0
South Dakota's 1990 Senate race ran 1.0 points more Republican than its 1988 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, 1990SD
Source. MIT Election Data + Science Lab — 1990 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.