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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Matching polls

4,582

Senate polls.

Polls per month

287
Jul 2015Jan 2017Jan 2018Jan 2019Jan 2020Jan 2021Jan 2022Jan 2023Jan 2024Jan 2025Nov 2026

November, so far

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

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
Sep 15–18, 20162016 United States Senate election in Wisconsin (2016)Not averagedB+ Marquette University—642LV—Feingold 47 · Johnson 41D+6——Release
Sep 15–18, 20162016 United States Senate election in Wisconsin (2016)B+ Marquette University—642LV—Feingold 44 · Johnson 39D+5——Release
Sep 16–18, 20162016 United States Senate election in Nevada (2016)B+ Rasmussen ReportsKTNV-TV800LV—Masto 40 · Heck 44R+4——Release
Sep 15–18, 20162016 United States Senate election in Georgia (2016)A− Monmouth University Polling Institute—401V—Barksdale 34 · Isakson 50R+16——Release
Sep 14–18, 20162016 United States Senate election in Colorado (2016)Not averaged— Colorado Mesa University/Rocky Mountain PBS—540RV—Bennet 44 · Glenn 28D+16——Release
Sep 14–18, 20162016 United States Senate election in Colorado (2016)Not averaged— Colorado Mesa University/Rocky Mountain PBS—540RV—Bennet 38 · Glenn 26D+12——Release
Sep 14–18, 20162016 United States Senate election in Colorado (2016)Not averaged— Colorado Mesa University/Rocky Mountain PBS—350LV—Bennet 45 · Glenn 32D+13——Release
Sep 14–18, 20162016 United States Senate election in Colorado (2016)— Colorado Mesa University/Rocky Mountain PBS—350LV—Bennet 42 · Glenn 31D+11——Release
Sep 15–17, 20162016 United States Senate election in Arkansas (2016)A− Hendrix CollegeTalk Business831V—Eldridge 29 · Boozman 55R+26——Release
Sep 12–16, 20162016 United States Senate election in Pennsylvania (2016)A Muhlenberg CollegeMorning Call405V—McGinty 43 · Toomey 38D+5——Release
Sep 12–16, 20162016 United States Senate election in North Carolina (2016)B+ Elon University Poll—644V—Ross 44 · Burr 43D+1——Release
Sep 14–16, 20162016 United States Senate election in Kentucky (2016)B− Cofounder Pulse Poll—834V—Gray 25 · Paul 33R+8——Release
Sep 13–16, 20162016 United States Senate election in Illinois (2016)C+ Loras College—600V—Duckworth 41 · Kirk 36D+5——Release
Sep 10–16, 20162016 United States Senate election in Florida (2016)— Saint Leo University Polling Institute—502V—Murphy 35 · Rubio 44R+9——Release
Sep 11–15, 20162016 United States Senate election in New York (2016)A Siena College—600V—Schumer 69 · Long 23D+46——Release
Sep 13–15, 20162016 United States Senate election in Alaska (2016)C Moore Information Group—500V—Metcalfe 15 · Murkowski 48R+33——Release
Sep 12–14, 20162016 United States Senate election in Washington (2016)B Insights West—505V—Murray 46 · Vance 25D+21——Release
Sep 12–14, 20162016 United States Senate election in Ohio (2016)A Suffolk University—500V—Strickland 31 · Portman 39R+8——Release
Sep 12–14, 20162016 United States Senate election in Nevada (2016)B Insights West—398LV—Masto 39 · Heck 43R+4——Release
Sep 12–14, 20162016 United States Senate election in Iowa (2016)A− Monmouth University Polling Institute—404V—Judge 39 · Grassley 56R+17——Release
Sep 14, 20162016 United States Senate election in Georgia (2016)B− Opinion SavvyFOX 5 Atlanta568V—Barksdale 34 · Isakson 47R+13——Release
Sep 10–14, 20162016 United States Senate election in Florida (2016)A The New York Times/Siena University—867V—Murphy 42 · Rubio 48R+6——Release
Sep 12–14, 20162016 United States Senate election in Arizona (2016)B Insights West—484V—Kirkpatrick 35 · McCain 53R+18——Release
Sep 11–13, 20162016 United States Senate election in Nevada (2016)A− Monmouth University Polling Institute—406LV—Masto 43 · Heck 46R+3——Release
Sep 9–13, 20162016 United States Senate election in Missouri (2016)A+ Emerson College—600V—Kander 42 · Blunt 40D+2——Release
Sep 9–13, 20162016 United States Senate election in Georgia (2016)A+ Emerson College—600V—Barksdale 32 · Isakson 48R+16——Release
Sep 9–13, 20162016 United States Senate election in Colorado (2016)A+ Emerson College—600V—Bennet 46 · Glenn 39D+7——Release
Sep 9–13, 20162016 United States Senate election in Arkansas (2016)A+ Emerson College—600V—Eldridge 30 · Boozman 44R+14——Release
Sep 9–12, 20162016 United States Senate election in Ohio (2016)A+ Selzer & Co.Bloomberg802V—Strickland 36 · Portman 53R+17——Release
Sep 7–12, 20162016 United States Senate election in Ohio (2016)Not averagedB− ORCCNN895RV—Strickland 38 · Portman 56R+18——Release
Sep 7–12, 20162016 United States Senate election in Ohio (2016)B− ORCCNN769LV—Strickland 37 · Portman 58R+21——Release
Sep 11–12, 20162016 United States Senate election in North Carolina (2016)— Civitas Institute—600V—Ross 39 · Burr 44R+5——Release
Sep 7–12, 20162016 United States Senate election in Florida (2016)Not averagedB− ORCCNN886RV—Murphy 45 · Rubio 51R+6——Release
Sep 7–12, 20162016 United States Senate election in Florida (2016)B− ORCCNN788LV—Murphy 43 · Rubio 54R+11——Release
Sep 6–11, 20162016 United States Senate election in Kansas (2016)A SurveyUSAKSN News565V—Wiesner 34 · Moran 50R+16——Release
Sep 6–11, 20162016 United States Senate election in Florida (2016)C Global Strategy Group—800V—Murphy 45 · Rubio 47R+2——Release
Sep 1–9, 20162016 United States Senate election in Utah (2016)A+ Dan Jones & AssociatesUtahPolicy605V—Snow 23 · Lee 60R+37——Release
Sep 7–9, 20162016 United States Senate election in South Carolina (2016)A Starboard Communications—600V—Dixon 22 · Scott 58R+36——Release
Sep 6–8, 20162016 United States Senate election in New Hampshire (2016)B+ Marist UniversityNBC, WSJ737V—Hassan 44 · Ayotte 52R+8——Release
Sep 6–8, 20162016 United States Senate election in Nevada (2016)Not averagedB+ Marist University—915RV—Masto 46 · Heck 45D+1——Release
Sep 6–8, 20162016 United States Senate election in Nevada (2016)B+ Marist University—627LV—Masto 45 · Heck 47R+2——Release
Sep 6–8, 20162016 United States Senate election in Nevada (2016)C+ GQREnd Citizens United600LV—Masto 49 · Heck 47D+2——Release
Sep 6–8, 20162016 United States Senate election in Iowa (2016)D RABA Research—1,054V—Judge 37 · Grassley 50R+13——Release
Sep 6–8, 20162016 United States Senate election in Indiana (2016)B WTHR/Howey—600V—Bayh 44 · Young 40D+4——Release
Sep 6–8, 20162016 United States Senate election in Georgia (2016)B+ Marist UniversityNBC, WSJ649V—Barksdale 38 · Isakson 53R+15——Release
Sep 7–8, 20162016 United States Senate election in Florida (2016)C JMC Analytics—781V—Murphy 38 · Rubio 43R+5——Release
Sep 6–8, 20162016 United States Senate election in Arizona (2016)B+ Marist UniversityNBC, WSJ649V—Kirkpatrick 38 · McCain 57R+19——Release
Aug 29–Sep 7, 20162016 United States Senate election in Pennsylvania (2016)A− Quinnipiac University—778V—McGinty 45 · Toomey 46R+1——Release
Aug 29–Sep 7, 20162016 United States Senate election in Ohio (2016)A− Quinnipiac University—775V—Strickland 40 · Portman 51R+11——Release
Aug 29–Sep 7, 20162016 United States Senate election in North Carolina (2016)A− Quinnipiac University—751V—Ross 43 · Burr 49R+6——Release
Showing 4,251–4,300 of 4,582

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)