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: Harstad Strategic Research, Inc. Remove ×

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3

Polls by Harstad Strategic Research, Inc..

Polls per month

1
Sep 2015Jan 2016Jan 2017Jan 2018Aug 2018

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

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
Aug 13–16, 20182018 Alaska gubernatorial election (2018)B− Harstad Strategic Research, Inc.—602V—Begich 46 · Dunleavy 44D+2——Release
Jun 21–26, 20182018 Alaska gubernatorial election (2018)B− Harstad Strategic Research, Inc.—602V—Begich 50 · Dunleavy 41D+9——Release
Sep 10–16, 20152016 United States Senate election in Ohio (2016)B− Harstad Strategic Research, Inc.—813V—Strickland 46 · Portman 43D+3——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)