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Muhlenberg College Institute of Public Opinion

23 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 5 2.1 pts R+2.1 100%
2020 3 6.3 pts D+6.3 100%
2018 5 2.9 pts D+1.7 100%
2016 8 4.0 pts D+4.0 29%
2014 2 6.6 pts D+6.6 100%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2022-10-26 PA Governor D+14.0 D+14.8 0.8 ✓
2022-10-26 PA Senate Even D+4.9 4.9 —
2022-10-13 PA-7 House D+1.0 D+2.0 1.0 ✓
2022-09-15 PA Governor D+11.0 D+14.8 3.8 ✓
2022-09-15 PA Senate D+5.0 D+4.9 0.1 ✓
2020-10-25 PA President D+5.0 D+1.2 3.8 ✓
2020-10-17 PA President D+7.0 D+1.2 5.8 ✓
2020-09-23 PA-7 House D+13.0 D+3.7 9.3 ✓
2018-10-30 PA Governor D+21.0 D+17.1 3.9 ✓
2018-10-30 PA Senate D+14.0 D+13.1 0.9 ✓
2018-10-16 PA-7 House D+7.0 D+10.0 3.0 ✓
2018-09-16 PA Governor D+19.0 D+17.1 1.9 ✓
2018-09-16 PA Senate D+18.0 D+13.1 4.9 ✓
2016-11-01 PA President D+4.0 R+0.7 4.7 ✗
2016-11-01 PA Senate R+1.0 R+1.4 0.4 ✓
2016-10-23 PA President D+6.0 R+0.7 6.7 ✗
2016-10-23 PA Senate Even R+1.4 1.4 —
2016-09-21 PA President D+2.0 R+0.7 2.7 ✗
2016-09-21 PA Senate R+1.0 R+1.4 0.4 ✓
2016-09-14 PA President D+8.0 R+0.7 8.7 ✗
2016-09-14 PA Senate D+5.0 R+1.4 6.4 ✗
2014-10-28 PA Governor D+12.0 D+9.9 2.1 ✓
2014-09-17 PA Governor D+21.0 D+9.9 11.1 ✓

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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