Toss-up · 2013 Senate

Massachusetts Senate

In the 2013 Massachusetts Senate race, Edward J. Markey (D) won by about 10 points.

Edward J. Markey· Incumbent · voting record →

Actual result

D+10.2

Final polls said

D+9.3

3 late polls · ✓

VotePredictor Elections predicted

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Winner

Dem

"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	Suffolk University	D+10.0	0.2	✓
2	Emerson College	D+10.0	0.2	✓
3	YouGov	D+11.0	0.8	✓
4	Harper Polling	D+12.0	1.8	✓
5	New England College Polling Center	D+12.0	1.8	✓
6	Western New England University Polling Institute	D+8.0	2.2	✓
7	Public Policy Polling	D+8.0	2.2	✓
8	University of New Hampshire Survey Center	D+13.0	2.8	✓
9	OnMessage Inc.	D+7.0	3.2	✓
10	MassINC Polling Group	D+7.0	3.2	✓
11	ccAdvertising	D+4.2	6.0	✓
12	McLaughlin & Associates	D+3.0	7.2	✓
13	University of Massachusetts Lowell Center for Public Opinion	D+20.0	9.8	✓