South Dakota — 2008 U.S. Senate election
Recent presidential results
Akashicstate2008 Senate electionSouth Dakota · U.S. SenateJohnsonD+25.0
How it voted
Share of the 2008 vote
| Tim Johnson (i) ✓Democrat | 62.5% | 237,889 |
|---|---|---|
| Joel DykstraRepublican | 37.5% | 142,784 |
2008Senate margin
D+60R+60
66 counties, each filled by 2008 D-vs-R margin. Hover any county for its result.
County-level results (66 counties) — table
| County | Winner | Margin |
|---|---|---|
| AURORA, SD | Democratic | D+35.4 |
| BEADLE, SD | Democratic | D+33.0 |
| BENNETT, SD | Democratic | D+30.4 |
| BON HOMME, SD | Democratic | D+33.1 |
| BROOKINGS, SD | Democratic | D+35.2 |
| BROWN, SD | Democratic | D+42.9 |
| BRULE, SD | Democratic | D+28.0 |
| BUFFALO, SD | Democratic | D+65.2 |
| BUTTE, SD | Democratic | D+3.9 |
| CAMPBELL, SD | Democratic | D+8.5 |
| CHARLES MIX, SD | Democratic | D+29.4 |
| CLARK, SD | Democratic | D+35.0 |
| CLAY, SD | Democratic | D+50.0 |
| CODINGTON, SD | Democratic | D+30.4 |
| CORSON, SD | Democratic | D+43.5 |
| CUSTER, SD | Democratic | D+1.6 |
| DAVISON, SD | Democratic | D+26.7 |
| DAY, SD | Democratic | D+48.9 |
| DEUEL, SD | Democratic | D+40.9 |
| DEWEY, SD | Democratic | D+65.0 |
| DOUGLAS, SD | Democratic | D+3.3 |
| EDMUNDS, SD | Democratic | D+27.2 |
| FALL RIVER, SD | Democratic | D+9.5 |
| FAULK, SD | Democratic | D+27.0 |
| GRANT, SD | Democratic | D+36.9 |
| GREGORY, SD | Democratic | D+11.6 |
| HAAKON, SD | Republican | R+4.9 |
| HAMLIN, SD | Democratic | D+14.1 |
| HAND, SD | Democratic | D+22.9 |
| HANSON, SD | Democratic | D+4.5 |
| HARDING, SD | Republican | R+22.8 |
| HUGHES, SD | Democratic | D+19.5 |
| HUTCHINSON, SD | Democratic | D+19.7 |
| HYDE, SD | Democratic | D+16.0 |
| JACKSON, SD | Democratic | D+21.0 |
| JERAULD, SD | Democratic | D+38.8 |
| JONES, SD | Republican | R+2.4 |
| KINGSBURY, SD | Democratic | D+43.1 |
| LAKE, SD | Democratic | D+33.8 |
| LAWRENCE, SD | Democratic | D+11.5 |
| LINCOLN, SD | Democratic | D+14.8 |
| LYMAN, SD | Democratic | D+30.7 |
| MARSHALL, SD | Democratic | D+46.8 |
| MCCOOK, SD | Democratic | D+29.0 |
| MCPHERSON, SD | Democratic | D+7.8 |
| MEADE, SD | Democratic | D+6.0 |
| MELLETTE, SD | Democratic | D+33.5 |
| MINER, SD | Democratic | D+47.2 |
| MINNEHAHA, SD | Democratic | D+26.9 |
| MOODY, SD | Democratic | D+42.3 |
| PENNINGTON, SD | Democratic | D+8.4 |
| PERKINS, SD | Republican | R+3.1 |
| POTTER, SD | Democratic | D+17.6 |
| ROBERTS, SD | Democratic | D+42.2 |
| SANBORN, SD | Democratic | D+39.5 |
| SHANNON, SD | Democratic | D+89.8 |
| SPINK, SD | Democratic | D+42.6 |
| STANLEY, SD | Democratic | D+17.9 |
| SULLY, SD | Democratic | D+9.3 |
| TODD, SD | Democratic | D+70.7 |
| TRIPP, SD | Democratic | D+13.5 |
| TURNER, SD | Democratic | D+28.6 |
| UNION, SD | Democratic | D+12.5 |
| WALWORTH, SD | Democratic | D+15.1 |
| YANKTON, SD | Democratic | D+32.0 |
| ZIEBACH, SD | Democratic | D+56.3 |
presidential baselinePresident 2008R+8.4Senate 2008D+25.0vs. baselineD+33.4
South Dakota's 2008 Senate race ran 33.4 points more Democratic than the presidential race on the same ballot.
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, 2008SD
Source. MIT Election Data + Science Lab — 2008 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.