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American Research Group

28 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 2 2.2 pts D+2.2 100%
2020 7 12.5 pts D+10.9 100%
2018 3 9.7 pts D+9.7 100%
2016 8 2.6 pts Even 71%
2014 8 4.9 pts D+2.8 100%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2022-09-17 NH Governor R+15.0 R+15.5 0.5 ✓
2022-09-17 NH Senate D+13.0 D+9.1 3.9 ✓
2020-10-27 NH Governor R+5.0 R+31.8 26.8 ✓
2020-10-27 NH Senate D+17.0 D+15.7 1.4 ✓
2020-10-27 NH President D+19.0 D+7.4 11.7 ✓
2020-10-08 AR Senate D+11.0 D+33.1 22.1 ✓
2020-09-27 NH Governor R+8.0 R+31.8 23.8 ✓
2020-09-27 NH Senate D+16.0 D+15.7 0.4 ✓
2020-09-27 NH President D+9.0 D+7.4 1.7 ✓
2018-09-23 NH-2 House D+27.0 D+13.4 13.6 ✓
2018-09-23 NH-1 House D+22.0 D+8.6 13.5 ✓
2018-09-23 NH Governor R+5.0 R+7.0 2.0 ✓
2016-11-01 NH President R+5.0 D+0.4 5.4 ✗
2016-11-01 NH Senate R+3.0 D+0.1 3.1 ✗
2016-11-01 NH Governor R+4.0 R+2.3 1.7 ✓
2016-10-19 National President D+7.0 D+2.2 4.8 ✓
2016-09-22 NH President D+4.0 D+0.4 3.6 ✓
2016-09-22 NH Senate Even D+0.1 0.1 —
2016-09-22 NH Governor R+1.0 R+2.3 1.3 ✓
2016-09-19 National President D+3.0 D+2.2 0.8 ✓
2014-10-28 NH Governor D+2.0 D+5.0 3.0 ✓
2014-10-28 NH Senate Even D+3.2 3.2 —
2014-10-21 NH Governor D+10.0 D+5.0 5.1 ✓
2014-10-21 NH Senate D+1.0 D+3.2 2.2 ✓
2014-09-28 NH Governor D+15.0 D+5.0 10.1 ✓
2014-09-28 NH Senate D+10.0 D+3.2 6.8 ✓
2014-09-14 NH Governor D+12.0 D+5.0 7.1 ✓
2014-09-14 NH Senate D+5.0 D+3.2 1.8 ✓

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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