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Toss-up · 2010 Senate
Iowa Senate
In the 2010 Iowa Senate race, Chuck Grassley (R) won by about 31 points.
Actual result
R+31.1
Final polls said
R+31.0
1 late poll · ✓
VotePredictor Elections predicted
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Winner
Rep
"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
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | Selzer & Co. | R+31.0 | 0.1 | ✓ |
| 2 | Scott Rasmussen (Rasmussen Reports) | R+18.0 | 13.1 | ✓ |
The polls behind it
3 polls · newest firstPollsterDateSampleMiss
Selzer & Co.2010-10-280
Scott Rasmussen (Rasmussen Reports)2010-09-2313
Selzer & Co.2010-09-210
Frequently asked questions
Who won the 2010 Iowa Senate race?
Chuck Grassley (R) won, by about 31.1 points (R+31.1).
When was the 2010 Iowa Senate election held?
It was held in November 2010.