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Monmouth University Polling Institute

130 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 2.0 pts R+1.4 100%
2021 4 6.6 pts D+6.6 67%
2020 28 6.3 pts D+5.3 56%
2018 20 5.3 pts R+3.4 79%
2017 6 3.8 pts R+3.8 67%
2016 52 6.6 pts D+5.6 63%
2014 18 3.9 pts D+3.4 88%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2022-10-15 National Generic Ballot R+6.0 R+2.6 3.4 ✓
2022-09-23 National Generic Ballot R+2.0 R+2.6 0.6 ✓
2021-10-23 NJ Governor D+11.0 D+3.2 7.8 ✓
2021-10-18 VA Governor Even R+1.9 1.9 —
2021-09-24 VA Governor D+5.0 R+1.9 6.9 ✗
2021-09-18 NJ Governor D+13.0 D+3.2 9.8 ✓
2020-10-30 PA President D+5.0 D+1.2 3.8 ✓
2020-10-26 FL President D+4.0 R+3.4 7.4 ✗
2020-10-25 GA Senate D+1.0 R+1.8 2.8 ✗
2020-10-25 GA President D+2.0 D+0.2 1.8 ✓
2020-10-17 IA-4 House R+3.0 R+24.2 21.2 ✓
2020-10-17 IA-3 House D+14.0 D+1.4 12.6 ✓
2020-10-17 IA-2 House D+13.0 Even 13.0 ✗
2020-10-17 IA-1 House D+14.0 R+2.6 16.6 ✗
2020-10-17 IA Senate D+6.0 R+6.6 12.6 ✗
2020-10-17 IA President D+5.0 R+8.2 13.2 ✗
2020-10-11 AZ Senate D+6.0 D+2.4 3.7 ✓
2020-10-11 AZ President D+2.0 D+0.3 1.7 ✓
2020-10-10 NC Governor D+5.0 D+4.5 0.5 ✓
2020-10-10 NC Senate D+1.0 R+1.8 2.8 ✗
2020-10-10 NC President D+1.0 R+1.4 2.4 ✗
2020-10-02 PA President D+8.0 D+1.2 6.8 ✓
2020-09-28 NJ-2 House D+7.0 R+5.8 12.8 ✗
2020-09-26 National Generic Ballot D+6.0 D+3.0 3.0 ✓
2020-09-26 National President D+5.0 D+4.4 0.6 ✓
2020-09-20 IA Senate D+1.0 R+6.6 7.6 ✗
2020-09-20 IA President R+3.0 R+8.2 5.2 ✓
2020-09-19 GA Senate R+8.0 R+1.8 6.2 ✓
2020-09-19 GA President R+5.0 D+0.2 5.2 ✗
2020-09-13 AZ Senate D+1.0 D+2.4 1.4 ✓
2020-09-13 AZ President Even D+0.3 0.3 —
2020-09-12 FL President D+3.0 R+3.4 6.4 ✗
2020-09-05 National Generic Ballot D+4.0 D+3.0 1.0 ✓
2020-09-05 National President D+7.0 D+4.4 2.6 ✓
2018-10-27 NJ-7 House Even D+5.0 5.0 —
2018-10-26 NY-19 House D+2.0 D+8.1 6.1 ✓
2018-10-20 NJ-3 House D+3.0 D+1.3 1.7 ✓
2018-10-19 CA-48 House R+6.0 D+7.1 13.1 ✗
2018-10-13 NJ Senate D+12.0 D+11.2 0.8 ✓
2018-10-12 WV-3 House R+2.0 R+12.8 10.8 ✓
2018-10-07 PA-17 House D+12.0 D+12.5 0.5 ✓
2018-10-05 NJ-11 House D+3.0 D+14.6 11.6 ✓
2018-09-29 PA-1 House R+7.0 R+2.5 4.5 ✓
2018-09-28 VA-10 House D+9.0 D+12.4 3.4 ✓
2018-09-24 CA-50 House R+11.0 R+3.4 7.6 ✓
2018-09-19 VA-7 House D+3.0 D+1.9 1.1 ✓
2018-09-15 NJ-7 House D+6.0 D+5.0 1.0 ✓
2018-09-15 CA-39 House R+6.0 D+3.1 9.1 ✗
2018-09-08 NY-19 House D+6.0 D+8.1 2.1 ✓
2018-09-07 PA-7 House D+4.0 D+10.0 6.0 ✓
2018-07-28 OH-12 House D+1.0 R+0.8 1.8 ✗
2018-06-09 OH-12 House R+15.0 R+0.8 14.2 ✓
2018-03-10 PA-18 House D+2.0 D+0.3 1.7 ✓
2018-02-14 PA-18 House R+4.0 D+0.3 4.3 ✗
2017-12-08 AL Senate R+0.3 D+1.6 1.9 ✗
2017-11-04 VA Governor D+2.0 D+8.9 6.9 ✓
2017-10-29 NJ Governor D+14.0 D+14.1 0.1 ✓
2017-10-14 VA Governor R+1.0 D+8.9 9.9 ✗
2017-09-30 NJ Governor D+14.0 D+14.1 0.1 ✓
2017-09-23 VA Governor D+5.0 D+8.9 3.9 ✓
2016-11-05 National President D+6.0 D+2.2 3.8 ✓
2016-11-01 UT President R+6.0 R+18.1 12.1 ✓
2016-11-01 UT Senate R+33.0 R+41.1 8.1 ✓
2016-11-01 UT Governor R+33.0 R+38.0 5.0 ✓
2016-10-31 PA President D+4.0 R+0.7 4.7 ✗
2016-10-31 PA Senate D+3.0 R+1.4 4.4 ✗
2016-10-30 MO President R+14.0 R+18.6 4.6 ✓
2016-10-30 MO Senate R+1.0 R+2.8 1.8 ✓
2016-10-30 MO Governor Even R+5.6 5.6 —
2016-10-29 IN President R+11.0 R+19.2 8.2 ✓
2016-10-29 IN Senate Even R+9.7 9.7 —
2016-10-29 IN Governor D+6.0 R+6.0 12.0 ✗
2016-10-24 NH President D+4.0 D+0.4 3.6 ✓
2016-10-24 NH Senate Even D+0.1 0.1 —
2016-10-24 NH Governor D+5.0 R+2.3 7.3 ✗
2016-10-23 AZ President R+1.0 R+3.6 2.6 ✓
2016-10-23 AZ Senate R+10.0 R+13.0 3.0 ✓
2016-10-22 NC President D+1.0 R+3.7 4.7 ✗
2016-10-22 NC Senate R+6.0 R+5.7 0.3 ✓
2016-10-22 NC Governor R+1.0 D+0.2 1.2 ✗
2016-10-17 WI President D+7.0 R+0.8 7.8 ✗
2016-10-17 WI Senate D+8.0 R+3.4 11.4 ✗
2016-10-16 NV President D+7.0 D+2.4 4.6 ✓
2016-10-16 NV Senate R+3.0 D+2.4 5.4 ✗
2016-10-15 National President D+12.0 D+2.2 9.8 ✓
2016-10-12 IN President R+4.0 R+19.2 15.2 ✓
2016-10-12 IN Senate D+6.0 R+9.7 15.7 ✗
2016-10-12 IN Governor D+12.0 R+6.0 18.0 ✗
2016-10-11 UT President R+6.0 R+18.1 12.1 ✓
2016-10-11 UT Senate R+29.0 R+41.1 12.1 ✓
2016-10-11 UT Governor R+33.0 R+38.0 5.0 ✓
2016-10-10 MO President R+5.0 R+18.6 13.6 ✓
2016-10-10 MO Senate R+2.0 R+2.8 0.8 ✓
2016-10-10 MO Governor D+3.0 R+5.6 8.6 ✗
2016-10-03 OH President D+2.0 R+8.1 10.1 ✗
2016-10-03 OH Senate R+15.0 R+20.9 5.9 ✓
2016-10-02 PA President D+10.0 R+0.7 10.7 ✗
2016-10-02 PA Senate Even R+1.4 1.4 —
2016-10-01 CO President D+11.0 D+4.9 6.1 ✓
2016-10-01 CO Senate D+18.0 D+5.7 12.3 ✓
2016-09-24 National President D+4.0 D+2.2 1.8 ✓
2016-09-19 NH President D+9.0 D+0.4 8.6 ✓
2016-09-19 NH Senate R+2.0 D+0.1 2.1 ✗
2016-09-19 NH Governor R+6.0 R+2.3 3.7 ✓
2016-09-18 FL President D+5.0 R+1.2 6.2 ✗
2016-09-18 FL Senate R+2.0 R+7.7 5.7 ✓
2016-09-17 GA President R+3.0 R+5.1 2.1 ✓
2016-09-17 GA Senate R+16.0 R+13.8 2.3 ✓
2016-09-13 IA President R+8.0 R+9.4 1.4 ✓
2016-09-13 IA Senate R+17.0 R+24.4 7.4 ✓
2016-09-12 NV President R+2.0 D+2.4 4.4 ✗
2016-09-12 NV Senate R+3.0 D+2.4 5.4 ✗
2014-11-01 NJ Senate D+14.0 D+13.5 0.5 ✓
2014-10-28 NJ-5 House R+11.0 R+12.1 1.1 ✓
2014-10-27 GA Governor R+6.0 R+7.9 1.9 ✓
2014-10-27 GA Senate R+8.0 R+7.7 0.3 ✓
2014-10-26 SD-1 House R+27.0 R+33.1 6.1 ✓
2014-10-26 SD Governor R+39.0 R+45.0 6.0 ✓
2014-10-26 SD Senate R+14.0 R+20.9 6.9 ✓
2014-10-25 NC Senate D+2.0 R+1.6 3.6 ✗
2014-10-20 IA Governor R+21.0 R+21.7 0.7 ✓
2014-10-20 IA Senate R+1.0 R+8.3 7.3 ✓
2014-10-19 CO Governor D+7.0 D+3.3 3.7 ✓
2014-10-19 CO Senate R+1.0 R+1.9 0.9 ✓
2014-10-18 KS Governor D+5.0 R+3.7 8.7 ✗
2014-10-18 KS Senate Even D+10.6 10.6 —
2014-10-13 NJ-2 House R+21.0 R+24.2 3.2 ✓
2014-10-12 NJ-5 House R+5.0 R+12.1 7.1 ✓
2014-10-11 NJ-3 House R+10.0 R+9.6 0.4 ✓
2014-10-04 NJ Senate D+15.0 D+13.5 1.5 ✓

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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