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Keating Research/Magellan Strategies

3 scored general-election polls (2018–2022) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2022 2 3.5 pts R+3.5 100%
2018 1 3.6 pts R+3.6 100%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2022-09-22 CO Governor D+17.0 D+19.4 2.4 ✓
2022-09-22 CO Senate D+10.0 D+14.6 4.6 ✓
2018-09-19 CO Governor D+7.0 D+10.6 3.6 ✓

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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