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Toss-up · 2010 Senate
Ohio Senate
In the 2010 Ohio Senate race, Rob Portman (R) won by about 17 points.
Actual result
R+17.4
Final polls said
R+16.9
14 late polls · ✓
VotePredictor Elections predicted
—
Winner
Rep
"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 | Angus Reid Global | R+17.0 | 0.4 | ✓ |
| 2 | Public Policy Polling | R+18.0 | 0.6 | ✓ |
| 3 | ccAdvertising | R+18.3 | 0.9 | ✓ |
| 4 | Columbus Dispatch | R+16.0 | 1.4 | ✓ |
| 5 | Quinnipiac University | R+19.0 | 1.6 | ✓ |
| 6 | SurveyUSA | R+15.0 | 2.4 | ✓ |
| 7 | Big Village | R+15.0 | 2.4 | ✓ |
| 8 | University of Cincinnati (Ohio Poll) | R+21.0 | 3.6 | ✓ |
| 9 | YouGov | R+13.0 | 4.4 | ✓ |
| 10 | WPA Intelligence | R+11.0 | 6.4 | ✓ |
| 11 | CBS News/The New York Times | R+11.0 | 6.4 | ✓ |
| 12 | Scott Rasmussen (Rasmussen Reports) | R+24.0 | 6.6 | ✓ |
| 13 | Suffolk University | R+10.0 | 7.4 | ✓ |
| 14 | Ipsos | R+3.0 | 14.4 | ✓ |
The polls behind it
34 polls · newest firstPollsterDateSampleMiss
YouGov2010-10-304
University of Cincinnati (Ohio Poll)2010-10-294
Public Policy Polling2010-10-291
Angus Reid Global2010-10-280
Quinnipiac University2010-10-272
Frequently asked questions
Who won the 2010 Ohio Senate race?
Rob Portman (R) won, by about 17.4 points (R+17.4).
When was the 2010 Ohio Senate election held?
It was held in November 2010.
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.