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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Pollster: Probolsky Research Remove ×

Matching polls

2

Governor polls by Probolsky Research.

Polls per month

1
Sep 2018Oct 2018

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

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
Oct 25–30, 20182018 California gubernatorial election (2018)C Probolsky Research—900V—Newsom 47 · Cox 37D+10——Release
Aug 29–Sep 2, 20182018 California gubernatorial election (2018)C Probolsky Research—900V—Newsom 44 · Cox 39D+5——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)