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MassINC Polling Group

29 scored general-election polls (2014–2022) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2022 1 0.9 pts D+0.9 100%
2020 2 1.3 pts R+0.8 100%
2018 4 6.0 pts R+5.1 100%
2016 11 2.7 pts D+0.3 70%
2014 11 4.7 pts D+3.6 55%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2022-10-09 MA Governor D+30.0 D+29.1 0.9 ✓
2020-10-27 MA Senate D+31.0 D+33.1 2.1 ✓
2020-10-27 MA President D+34.0 D+33.5 0.5 ✓
2018-10-27 MA Governor R+43.0 R+33.5 9.5 ✓
2018-10-27 MA Senate D+22.0 D+24.2 2.2 ✓
2018-09-19 MA Governor R+44.0 R+33.5 10.5 ✓
2018-09-19 MA Senate D+26.0 D+24.2 1.8 ✓
2016-10-31 NH President R+1.0 D+0.4 1.4 ✗
2016-10-31 NH Senate R+6.0 D+0.1 6.1 ✗
2016-10-31 NH Governor R+5.0 R+2.3 2.7 ✓
2016-10-15 MA President D+26.0 D+27.2 1.2 ✓
2016-10-11 NH President D+3.0 D+0.4 2.6 ✓
2016-10-11 NH Senate Even D+0.1 0.1 —
2016-10-11 NH Governor D+3.0 R+2.3 5.3 ✗
2016-09-28 NH President D+7.0 D+0.4 6.6 ✓
2016-09-28 NH Senate D+2.0 D+0.1 1.9 ✓
2016-09-28 NH Governor R+3.0 R+2.3 0.7 ✓
2016-09-09 MA President D+26.0 D+27.2 1.2 ✓
2014-10-24 MA Governor R+1.0 R+1.9 0.9 ✓
2014-10-24 MA Senate D+25.0 D+23.9 1.1 ✓
2014-10-17 MA Governor R+1.0 R+1.9 0.9 ✓
2014-10-10 MA Governor D+3.0 R+1.9 4.9 ✗
2014-10-03 MA Governor D+2.0 R+1.9 3.9 ✗
2014-10-03 MA Senate D+26.0 D+23.9 2.1 ✓
2014-09-26 MA Governor D+3.0 R+1.9 4.9 ✗
2014-09-23 MA-6 House D+8.0 D+13.8 5.8 ✓
2014-09-18 MA Governor D+10.0 R+1.9 11.9 ✗
2014-09-18 MA Senate D+28.0 D+23.9 4.1 ✓
2014-09-13 MA Governor D+9.0 R+1.9 10.9 ✗

Margins shown as party lead (D+/R+); for non-D-vs-R matchups the margin is first-listed candidate minus second. Historical scored-poll data for cycles through 2023 from FiveThirtyEight's pollster-ratings dataset (CC-BY-4.0); 2024 scored by PollingSource. This record never changes what enters the PollingSource average.

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