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Franklin & Marshall College Center for Opinion Research

19 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 4 2.7 pts D+0.9 100%
2020 3 4.4 pts D+4.4 100%
2018 4 4.9 pts D+4.9 100%
2016 6 8.3 pts D+8.3 33%
2014 2 7.0 pts D+4.1 100%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2022-10-18 PA Governor D+22.0 D+14.8 7.2 ✓
2022-10-18 PA Senate D+4.0 D+4.9 0.9 ✓
2022-09-22 PA Governor D+14.0 D+14.8 0.8 ✓
2022-09-22 PA Senate D+3.0 D+4.9 1.9 ✓
2020-10-22 PA President D+6.0 D+1.2 4.8 ✓
2020-10-15 PA-7 House D+7.2 D+3.7 3.5 ✓
2020-09-17 PA President D+6.0 D+1.2 4.8 ✓
2018-10-25 PA Governor D+26.0 D+17.1 8.9 ✓
2018-10-25 PA Senate D+15.0 D+13.1 1.9 ✓
2018-09-20 PA Governor D+22.0 D+17.1 4.9 ✓
2018-09-20 PA Senate D+17.0 D+13.1 3.9 ✓
2016-10-28 PA President D+11.0 R+0.7 11.7 ✗
2016-10-28 PA Senate D+12.0 R+1.4 13.4 ✗
2016-09-30 PA President D+9.0 R+0.7 9.7 ✗
2016-09-30 PA Senate D+6.0 R+1.4 7.4 ✗
2016-09-16 CO President D+7.0 D+4.9 2.1 ✓
2016-09-16 CO Senate D+11.0 D+5.7 5.3 ✓
2014-10-23 PA Governor D+7.0 D+9.9 2.9 ✓
2014-09-19 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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