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Toss-up · 2008 Senate
South Dakota Senate
In the 2008 South Dakota Senate race, Tim Johnson (D) won by about 25 points.
Actual result
D+25.0
Final polls said
D+27.5
2 late polls · ✓
VotePredictor Elections predicted
—
Winner
Dem
"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. VotePredictor Elections' prediction is walk-forward (trained only on earlier races).
Final rankings
How everyone who called this race did, ranked — VotePredictor Elections shown inline (★).
Pollsters — each pollster's final poll vs the result
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | YouGov | D+25.0 | 0.0 | ✓ |
| 2 | Mason-Dixon Polling & Strategy | D+23.0 | 2.0 | ✓ |
| 3 | GQR | D+30.0 | 5.0 | ✓ |
| 4 | Moore Information Group | D+18.0 | 7.0 | ✓ |
The polls behind it
7 polls · newest firstPollsterDateSampleMiss
YouGov2008-10-250
GQR2008-10-225
GQR2008-10-141
Mason-Dixon Polling & Strategy2008-10-142
GQR2008-10-070
Frequently asked questions
Who won the 2008 South Dakota Senate race?
Tim Johnson (D) won, by about 25.0 points (D+25.0).
When was the 2008 South Dakota Senate election held?
It was held in November 2008.
Which party matches you?
These candidates split on taxes, health care, guns, and abortion. See where you land — and which members of Congress actually vote like you.