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.
Matching polls
4,582Senate polls.
Polls per month
287
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November, so far
Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 19–21, 2016 | 2016 United States Senate election in Utah (2016) | B+ Public Policy Polling | — | 1,018 | V | — | Snow 21 · Lee 51 | R+30 | — | — | Release |
| Aug 18–21, 2016 | 2016 United States Senate election in Ohio (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Strickland 40 · Portman 48 | R+8 | — | — | Release |
| Aug 17–19, 2016 | 2016 United States Senate election in Ohio (2016) | B− CBS News/YouGov | — | 997 | V | — | Strickland 39 · Portman 46 | R+7 | — | — | Release |
| Aug 17–19, 2016 | 2016 United States Senate election in Iowa (2016) | B− CBS News/YouGov | — | 987 | V | — | Judge 38 · Grassley 45 | R+7 | — | — | Release |
| Aug 15–18, 2016 | 2016 United States Senate election in Indiana (2016) | B+ Garin-Hart-Yang Research Group | — | 801 | V | — | Bayh 55 · Young 39 | D+16 | — | — | Release |
| Aug 14–18, 2016 | 2016 United States Senate election in Florida (2016) | B− St. Leo University | — | 1,380 | V | — | Murphy 38 · Rubio 46 | R+8 | — | — | Release |
| Aug 15–17, 2016 | 2016 United States Senate election in Nevada (2016) | A Suffolk University | — | 500 | LV | — | Masto 37 · Heck 37 | Even | — | — | Release |
| Aug 9–16, 2016 | 2016 United States Senate election in Iowa (2016) | A− Quinnipiac University | — | 846 | V | — | Judge 42 · Grassley 51 | R+9 | — | — | Release |
| Aug 13–16, 2016 | 2016 United States Senate election in Indiana (2016) | A− Monmouth University Polling Institute | — | 403 | V | — | Bayh 48 · Young 41 | D+7 | — | — | Release |
| Aug 9–16, 2016 | 2016 United States Senate election in Colorado (2016) | A− Quinnipiac University | — | 830 | V | — | Bennet 54 · Glenn 38 | D+16 | — | — | Release |
| Aug 9–15, 2016 | 2016 United States Senate election in Florida (2016) | — Civis Analytics | — | 1,436 | V | — | Murphy 45 · Rubio 44 | D+1 | — | — | Release |
| Aug 12–15, 2016 | 2016 United States Senate election in Florida (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Murphy 43 · Rubio 48 | R+5 | — | — | Release |
| Aug 10–14, 2016 | 2016 United States Senate election in Indiana (2016) | C Global Strategy Group | — | 801 | V | — | Bayh 54 · Young 36 | D+18 | — | — | Release |
| Aug 9–13, 2016 | 2016 United States Senate election in Washington (2016) | B− Elway Research | — | 500 | V | — | Murray 52 · Vance 34 | D+18 | — | — | Release |
| Aug 10–12, 2016 | 2016 United States Senate election in New Hampshire (2016) | B− CBS News/YouGov | — | 990 | V | — | Hassan 42 · Ayotte 41 | D+1 | — | — | Release |
| Aug 9–10, 2016 | 2016 United States Senate election in South Carolina (2016) | B+ Public Policy Polling | — | 1,290 | V | — | Dixon 30 · Scott 45 | R+15 | — | — | Release |
| Aug 4–10, 2016 | 2016 United States Senate election in North Carolina (2016) | B+ Marist University | NBC, WSJ | 921 | V | — | Ross 46 · Burr 44 | D+2 | — | — | Release |
| Aug 7–10, 2016 | 2016 United States Senate election in New York (2016) | A Siena College | — | 717 | V | — | Schumer 63 · Long 24 | D+39 | — | — | Release |
| Aug 8–10, 2016 | 2016 United States Senate election in Iowa (2016) | A Suffolk University | — | 500 | V | — | Judge 42 · Grassley 52 | R+10 | — | — | Release |
| Aug 4–10, 2016 | 2016 United States Senate election in Florida (2016) | B+ Marist University | NBC, WSJ | 862 | V | — | Murphy 43 · Rubio 49 | R+6 | — | — | Release |
| Aug 10, 2016 | 2016 United States Senate election in Florida (2016) | B− Opinion Savvy | FOX 13 Tampa Bay | 622 | V | — | Murphy 43 · Rubio 45 | R+2 | — | — | Release |
| Aug 4–10, 2016 | 2016 United States Senate election in Colorado (2016) | B+ Marist University | NBC, WSJ | 899 | V | — | Bennet 53 · Glenn 38 | D+15 | — | — | Release |
| Aug 7–8, 2016 | 2016 United States Senate election in New Hampshire (2016) | B+ Vox Populi Polling | — | 820 | V | — | Hassan 46 · Ayotte 43 | D+3 | — | — | Release |
| Aug 8, 2016 | 2016 United States Senate election in Indiana (2016) | B Public Opinion Strategies | — | — | V | — | Bayh 48 · Young 35 | D+13 | — | — | Release |
| Aug 4–7, 2016 | 2016 United States Senate election in Wisconsin (2016)Not averaged | B+ Marquette University | — | 805 | RV | — | Feingold 49 · Johnson 43 | D+6 | — | — | Release |
| Aug 4–7, 2016 | 2016 United States Senate election in Wisconsin (2016)Not averaged | B+ Marquette University | — | 805 | RV | — | Feingold 47 · Johnson 38 | D+9 | — | — | Release |
| Aug 4–7, 2016 | 2016 United States Senate election in Wisconsin (2016)Not averaged | B+ Marquette University | — | 683 | LV | — | Feingold 53 · Johnson 42 | D+11 | — | — | Release |
| Aug 4–7, 2016 | 2016 United States Senate election in Wisconsin (2016) | B+ Marquette University | — | 683 | LV | — | Feingold 50 · Johnson 39 | D+11 | — | — | Release |
| Aug 3–7, 2016 | 2016 United States Senate election in Pennsylvania (2016) | B+ Marist University | NBC, WSJ | 834 | V | — | McGinty 48 · Toomey 44 | D+4 | — | — | Release |
| Jul 30–Aug 7, 2016 | 2016 United States Senate election in Pennsylvania (2016) | A− Quinnipiac University | — | 815 | V | — | McGinty 47 · Toomey 44 | D+3 | — | — | Release |
| Aug 3–7, 2016 | 2016 United States Senate election in Ohio (2016) | B+ Marist University | NBC, WSJ | 889 | V | — | Strickland 43 · Portman 48 | R+5 | — | — | Release |
| Jul 30–Aug 7, 2016 | 2016 United States Senate election in Ohio (2016) | A− Quinnipiac University | — | 812 | V | — | Strickland 40 · Portman 49 | R+9 | — | — | Release |
| Aug 5–7, 2016 | 2016 United States Senate election in North Carolina (2016) | B+ Public Policy Polling | — | 830 | V | — | Ross 37 · Burr 41 | R+4 | — | — | Release |
| Aug 5–7, 2016 | 2016 United States Senate election in New Hampshire (2016) | B+ Public Policy Polling | — | 802 | V | — | Hassan 47 · Ayotte 42 | D+5 | — | — | Release |
| Aug 3–7, 2016 | 2016 United States Senate election in Kansas (2016) | A SurveyUSA | KSN News | 566 | V | — | Wiesner 32 · Moran 52 | R+20 | — | — | Release |
| Aug 3–7, 2016 | 2016 United States Senate election in Iowa (2016) | B+ Marist University | NBC, WSJ | 899 | V | — | Judge 42 · Grassley 52 | R+10 | — | — | Release |
| Aug 6–7, 2016 | 2016 United States Senate election in Georgia (2016) | C JMC Analytics | — | 615 | V | — | Barksdale 30 · Isakson 39 | R+9 | — | — | Release |
| Jul 30–Aug 7, 2016 | 2016 United States Senate election in Florida (2016) | A− Quinnipiac University | — | 1,056 | V | — | Murphy 45 · Rubio 48 | R+3 | — | — | Release |
| Aug 5–7, 2016 | 2016 United States Senate election in Florida (2016) | B+ Public Policy Polling | — | 938 | V | — | Murphy 40 · Rubio 42 | R+2 | — | — | Release |
| Aug 5–6, 2016 | 2016 United States Senate election in Missouri (2016) | C+ Remington | — | 1,280 | V | — | Kander 40 · Blunt 47 | R+7 | — | — | Release |
| Aug 2–5, 2016 | 2016 United States Senate election in Nevada (2016) | B− CBS News/YouGov | — | 993 | LV | — | Masto 35 · Heck 38 | R+3 | — | — | Release |
| Jul 18–Aug 4, 2016 | 2016 United States Senate election in Utah (2016) | A+ Dan Jones & Associates | UtahPolicy | 858 | V | — | Snow 22 · Lee 57 | R+35 | — | — | Release |
| Jul 31–Aug 4, 2016 | 2016 United States Senate election in Pennsylvania (2016) | B Susquehanna Polling & Research, Inc. | — | 772 | V | — | McGinty 42 · Toomey 40 | D+2 | — | — | Release |
| Aug 2–4, 2016 | 2016 United States Senate election in Kentucky (2016) | B− Cofounder Pulse Poll | — | 508 | V | — | Gray 41 · Paul 59 | R+18 | — | — | Release |
| Aug 1–4, 2016 | 2016 United States Senate election in Illinois (2016) | C+ Normington, Petts & Associates | — | 800 | V | — | Duckworth 44 · Kirk 37 | D+7 | — | — | Release |
| Aug 1–4, 2016 | 2016 United States Senate election in Georgia (2016)Not averaged | B− The Atlanta Journal-Constitution | — | 847 | V | — | Barksdale 42 · Isakson 48 | R+6 | — | — | Release |
| Aug 1–4, 2016 | 2016 United States Senate election in Georgia (2016) | B− The Atlanta Journal-Constitution | — | 847 | V | — | Barksdale 38 · Isakson 44 | R+6 | — | — | Release |
| Aug 1–3, 2016 | 2016 United States Senate election in Indiana (2016) | — Expedition Strategies | — | 600 | V | — | Bayh 58 · Young 32 | D+26 | — | — | Release |
| Aug 1–3, 2016 | 2016 United States Senate election in Florida (2016) | A Suffolk University | — | 500 | V | — | Murphy 33 · Rubio 46 | R+13 | — | — | Release |
| Jul 30–Aug 1, 2016 | 2016 United States Senate election in Wisconsin (2016) | B− Let America Work^ | — | 600 | V | — | Feingold 50 · Johnson 44 | D+6 | — | — | Release |
Showing 4,351–4,400 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)