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: ALG Research Remove ×

Matching polls

7

Senate polls by ALG Research.

Polls per month

2
Jan 2020Oct 2020

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

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
Sep 29–Oct 5, 20202020 United States Senate election in South Carolina (2020)B ALG ResearchLindsey Must Go711LV—Harrison 46 · Graham 46Even——Release
Sep 22–28, 20202020 United States Senate election in North Carolina (2020)B ALG ResearchPiedmont Rising822V—Cunningham 53 · Tillis 41D+12——Release
Aug 6–12, 20202020 United States Senate election in Louisiana (2020)Not averagedB ALG ResearchAdrians Perkins' campaign800LV—Perkins 33 · Cassidy 52R+19——Release
Aug 6–12, 20202020 United States Senate election in Louisiana (2020)B ALG ResearchAdrians Perkins' campaign800LV—Perkins 17 · Cassidy 42R+25——Release
Jul 15–20, 20202020 United States Senate election in South Carolina (2020)B ALG ResearchLindsey Must Go591LV—Harrison 45 · Graham 49R+4——Release
Jun 18–22, 20202020 United States Senate election in Alabama (2020)B ALG Research—600LV—Jones 44 · Tuberville 47R+3——Release
Jan 8–13, 20202020 United States Senate election in North Carolina (2020)B ALG ResearchEnd Citizens United700LV—Cunningham 44 · Tillis 42D+2——Release
Showing 1–7 of 7

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)