Polls database

Every poll we use, with its source

11,685 polls since 2015: national questions, Senate, House, governor and state legislative races, presidential primaries and ballot measures. Filter, then open any poll’s release.

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Senate polls by Y2 Analytics.

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Nov 2016Jan 2018Jan 2019Jan 2020Oct 2020

Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
Oct 15–24, 20202020 United States Senate special election in Arizona (2020)A− Y2 Analytics—700LV—Kelly 51 · McSally 47D+4——Release
Nov 1–3, 20162016 United States Senate election in Utah (2016)A− Y2 Analytics—500V—Snow 22 · Lee 62R+40——Release
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Adjusted: after house-effect and population corrections. vs result: margin minus the certified or unofficial result. Latest poll in the database ended Nov 2, 2026. Source: each poll’s own release, as cited by the poll list it was compiled from (The New York Times for Senate, governor and House races; Wikipedia for other offices)