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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" = the last ~3 weeks; the prediction is walk-forward. How this is scored →

Final rankings

How everyone who called this race did, ranked — VotePredictor Elections shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1YouGovD+25.00.0✓
2Mason-Dixon Polling & StrategyD+23.02.0✓
3GQRD+30.05.0✓
4Moore Information GroupD+18.07.0✓

The polls behind it

7 polls · newest first
PollsterDateMiss
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.

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