VotePredictor
past elections

Massachusetts Senate

Edward J. Markey (D) vs Gabriel E. Gomez (R)

Actual result
D+10.2
Final polls said
D+9.3
3 late polls · ✓
Model predicted
D+13.1
Winner
Dem

"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).

Final rankings

How everyone who called this race did, ranked — VotePredictor shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1Suffolk UniversityD+10.00.2
2Emerson CollegeD+10.00.2
3YouGovD+11.00.8
4Harper PollingD+12.01.8
5New England College Polling CenterD+12.01.8
6Western New England University Polling InstituteD+8.02.2
7Public Policy PollingD+8.02.2
8University of New Hampshire Survey CenterD+13.02.8
9VotePredictorD+13.12.9
10OnMessage Inc.D+7.03.2
11MassINC Polling GroupD+7.03.2
12ccAdvertisingD+4.26.0
13McLaughlin & AssociatesD+3.07.2
14University of Massachusetts Lowell Center for Public OpinionD+20.09.8

Polls (22)

PollsterDatenPollMiss
Suffolk University2013-06-21500D+10.00
Emerson College2013-06-191422D+10.00
Western New England University Polling Institute2013-06-18566D+8.02
McLaughlin & Associates2013-06-181100D+3.07
University of Massachusetts Lowell Center for Public Opinion2013-06-17312D+20.010
OnMessage Inc.2013-06-16600D+7.03
University of New Hampshire Survey Center2013-06-13508D+13.03
McLaughlin & Associates2013-06-11400D+6.04
Harper Polling2013-06-11498D+12.02
Suffolk University2013-06-08500D+7.03
MassINC Polling Group2013-06-08500D+7.03
McLaughlin & Associates2013-06-04400D+1.09
Public Policy Polling2013-06-03560D+8.02
New England College Polling Center2013-06-01734D+12.02
YouGov2013-06-01357D+11.01
ccAdvertising2013-05-29679D+4.26
Public Policy Polling2013-05-14880D+7.03
Suffolk University2013-05-06500D+17.07
OnMessage Inc.2013-05-06600D+3.07
MassINC Polling Group2013-05-05497D+8.02
Emerson College2013-05-01679D+6.04
Public Policy Polling2013-05-011539D+4.06