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Toss-up · 2010 Senate
Massachusetts Senate
In the 2010 Massachusetts Senate race, Scott Brown (R) won by about 5 points.
Actual result
R+4.8
Final polls said
R+8.6
3 late polls · ✓
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 | Public Policy Polling | R+5.0 | 0.2 | ✓ |
| 2 | Suffolk University | R+4.0 | 0.8 | ✓ |
| 3 | American Research Group | R+7.0 | 2.2 | ✓ |
| 4 | InsiderAdvantage | R+9.1 | 4.3 | ✓ |
| 5 | CrossTarget | R+9.6 | 4.8 | ✓ |
| 6 | MRG Research | R+9.6 | 4.8 | ✓ |
| 7 | Scott Rasmussen (Rasmussen Reports) | D+2.0 | 6.8 | ✗ |
| 8 | Mellman Group | D+14.0 | 18.8 | ✗ |
| 9 | University of New Hampshire Survey Center | D+17.0 | 21.8 | ✗ |
The polls behind it
13 polls · newest firstPollsterDateSampleMiss
CrossTarget2010-01-175
InsiderAdvantage2010-01-174
American Research Group2010-01-162
Public Policy Polling2010-01-160
MRG Research2010-01-155
Frequently asked questions
Who won the 2010 Massachusetts Senate race?
Scott Brown (R) won, by about 4.8 points (R+4.8).
When was the 2010 Massachusetts Senate election held?
It was held in November 2010.