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North Star Opinion Research

5 scored general-election polls (2014–2016) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2016 4 5.3 pts R+5.3 50%
2014 1 11.2 pts R+11.2 0%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2016-10-23 N2 President R+4.0 R+2.2 1.8 ✓
2016-10-23 NE-2 House R+4.0 R+1.2 2.8 ✓
2016-10-10 IL-10 House R+7.0 D+5.2 12.2 ✗
2016-09-16 NH-1 House R+3.0 D+1.3 4.3 ✗
2014-09-17 AZ-1 House R+6.0 D+5.2 11.2 ✗

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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