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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 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 | 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.
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.