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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 29–Oct 8, 2020 | 2020 United States Senate election in Texas (2020) | C Morning Consult | — | 2,700 | LV | — | Hegar 38 · Cornyn 47 | R+9 | — | — | Release |
| Sep 30–Oct 8, 2020 | 2020 United States Senate election in Michigan (2020) | C− Baldwin Wallace University | — | 1,134 | LV | — | Peters 48 · James 42 | D+6 | — | — | Release |
| Oct 5–8, 2020 | 2020 United States Senate election in Iowa (2020) | — Opinion Insight | The American Action Forum | 800 | LV | — | Greenfield 45 · Ernst 47 | R+2 | — | — | Release |
| Oct 4–8, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 608 | LV | — | Kelly 50 · McSally 45 | D+5 | — | — | Release |
| Oct 4–7, 2020 | 2020 United States Senate election in Montana (2020) | A+ Emerson College | — | 500 | LV | — | Bullock 43 · Daines 52 | R+9 | — | — | Release |
| Oct 6–7, 2020 | 2020 United States Senate election in Michigan (2020) | A+ Emerson College | — | 716 | LV | — | Peters 51 · James 41 | D+10 | — | — | Release |
| Sep 29–Oct 7, 2020 | 2020 United States Senate special election in Arizona (2020) | B+ Ipsos | Reuters | 663 | LV | — | Kelly 51 · McSally 41 | D+10 | — | — | Release |
| Oct 3–6, 2020 | 2020 United States Senate election in Texas (2020) | B+ Civiqs | Daily Kos | 895 | LV | — | Hegar 46 · Cornyn 47 | R+1 | — | — | Release |
| Sep 29–Oct 6, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Ipsos | Reuters | 693 | LV | — | Cunningham 47 · Tillis 42 | D+5 | — | — | Release |
| Oct 1–6, 2020 | 2020 United States Senate election in Minnesota (2020) | A SurveyUSA | — | 929 | LV | — | Smith 44 · Lewis 37 | D+7 | — | — | Release |
| Sep 29–Oct 6, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Ipsos | Reuters | 709 | LV | — | Peters 50 · James 43 | D+7 | — | — | Release |
| Oct 3–6, 2020 | 2020 United States Senate election in Michigan (2020) | — Opinion Insight/American Action Forum | — | 800 | LV | — | Peters 49 · James 42 | D+7 | — | — | Release |
| Oct 2–6, 2020 | 2020 United States Senate election in Maine (2020)Not averaged | B Pan Atlantic Research | — | 600 | LV | — | Gideon 49 · Collins 41 | D+8 | — | — | Release |
| Oct 2–6, 2020 | 2020 United States Senate election in Maine (2020) | B Pan Atlantic Research | — | 600 | LV | — | Gideon 47 · Collins 40 | D+7 | — | — | Release |
| Oct 3–6, 2020 | 2020 United States Senate election in Iowa (2020) | B+ Civiqs | Daily Kos | 756 | LV | — | Greenfield 49 · Ernst 46 | D+3 | — | — | Release |
| Oct 1–6, 2020 | 2020 United States Senate election in Colorado (2020) | A SurveyUSA | — | 1,021 | LV | — | Hickenlooper 48 · Gardner 39 | D+9 | — | — | Release |
| Sep 28–Oct 6, 2020 | 2020 United States Senate special election in Arizona (2020) | B Latino Decisions | Democrats for Education Reform | 600 | LV | — | Kelly 47 · McSally 42 | D+5 | — | — | Release |
| Sep 30–Oct 5, 2020 | 2020 United States Senate election in Texas (2020) | B Data for Progress | — | 1,949 | LV | — | Hegar 42 · Cornyn 45 | R+3 | — | — | Release |
| Sep 29–Oct 5, 2020 | 2020 United States Senate election in South Carolina (2020) | B ALG Research | Lindsey Must Go | 711 | LV | — | Harrison 46 · Graham 46 | Even | — | — | Release |
| Sep 30–Oct 5, 2020 | 2020 United States Senate election in North Carolina (2020) | B Data for Progress | — | 1,285 | LV | — | Cunningham 50 · Tillis 39 | D+11 | — | — | Release |
| Oct 4–5, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Public Policy Polling | — | 911 | V | — | Cunningham 48 · Tillis 42 | D+6 | — | — | Release |
| Sep 30–Oct 5, 2020 | 2020 United States Senate election in Montana (2020) | B Data for Progress | — | 737 | LV | — | Bullock 48 · Daines 47 | D+1 | — | — | Release |
| Oct 3–5, 2020 | 2020 United States Senate election in Michigan (2020) | A+ Tarrance Group | James' campaign | 605 | RV | — | Peters 48 · James 46 | D+2 | — | — | Release |
| Oct 1–5, 2020 | 2020 United States Senate election in Iowa (2020) | A− Quinnipiac University | — | 1,205 | LV | — | Greenfield 50 · Ernst 45 | D+5 | — | — | Release |
| Sep 28–Oct 5, 2020 | 2020 United States Senate special election in Arizona (2020) | B− HighGround, Inc. | — | 400 | LV | — | Kelly 50 · McSally 44 | D+6 | — | — | Release |
| Oct 3–5, 2020 | 2020 United States Senate special election in Arizona (2020) | A− Data Orbital | — | 550 | LV | — | Kelly 49 · McSally 44 | D+5 | — | — | Release |
| Oct 3–5, 2020 | 2020 United States Senate special election in Arizona (2020) | C− Basswood Research | the American Action Network | 800 | LV | — | Kelly 47 · McSally 49 | R+2 | — | — | Release |
| Sep 25–Oct 4, 2020 | 2020 United States Senate election in Texas (2020) | B YouGov | University of Texas, Texas Tribune | 908 | LV | — | Hegar 42 · Cornyn 50 | R+8 | — | — | Release |
| Oct 2–4, 2020 | 2020 United States Senate election in North Carolina (2020) | A− East Carolina University | — | 1,232 | LV | — | Cunningham 46 · Tillis 47 | R+1 | — | — | Release |
| Oct 2–4, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Change Research | CNBC | 396 | LV | — | Cunningham 50 · Tillis 46 | D+4 | — | — | Release |
| Oct 1–4, 2020 | 2020 United States Senate election in New Hampshire (2020) | A+ St. Anselm | — | 1,147 | LV | — | Shaheen 53 · Messner 38 | D+15 | — | — | Release |
| Oct 2–4, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Change Research | CNBC | 676 | LV | — | Peters 51 · James 43 | D+8 | — | — | Release |
| Sep 25–Oct 4, 2020 | 2020 United States Senate election in Maine (2020)Not averaged | — Critical Insights | — | 466 | LV | — | Gideon 46 · Collins 43 | D+3 | — | — | Release |
| Sep 25–Oct 4, 2020 | 2020 United States Senate election in Maine (2020) | — Critical Insights | — | 466 | LV | — | Gideon 44 · Collins 43 | D+1 | — | — | Release |
| Oct 2–4, 2020 | 2020 United States Senate special election in Arizona (2020) | B+ Change Research | CNBC | 296 | LV | — | Kelly 51 · McSally 43 | D+8 | — | — | Release |
| Sep 30–Oct 3, 2020 | 2020 United States Senate election in Michigan (2020) | B Glengariff Group | — | 600 | LV | — | Peters 45 · James 40 | D+5 | — | — | Release |
| Oct 1–3, 2020 | 2020 United States Senate special election in Arizona (2020) | C+ Patinkin Research Strategies | Arizona Research Consortium | 604 | LV | — | Kelly 50 · McSally 45 | D+5 | — | — | Release |
| Oct 1–3, 2020 | 2020 United States Senate special election in Arizona (2020) | A The New York Times/Siena University | — | 655 | LV | — | Kelly 50 · McSally 39 | D+11 | — | — | Release |
| Sep 30–Oct 3, 2020 | 2020 United States Senate election in Alabama (2020) | B− Auburn University At Montgomery | — | 1,072 | RV | — | Jones 42 · Tuberville 54 | R+12 | — | — | Release |
| Sep 14–Oct 2, 2020 | 2020 United States Senate election in Montana (2020) | — Montana State University Bozeman | — | 1,609 | LV | — | Bullock 49 · Daines 47 | D+2 | — | — | Release |
| Sep 23–Oct 2, 2020 | 2020 United States Senate special election in Arizona (2020) | D Targoz Market Research | — | 1,045 | LV | — | Kelly 51 · McSally 41 | D+10 | — | — | Release |
| Sep 30–Oct 1, 2020 | 2020 United States Senate election in New Mexico (2020) | B+ Public Policy Polling | — | 886 | LV | — | Luján 51 · Ronchetti 41 | D+10 | — | — | Release |
| Sep 30–Oct 1, 2020 | 2020 United States Senate election in New Hampshire (2020) | A+ Emerson College | — | 700 | LV | — | Shaheen 55 · Messner 40 | D+15 | — | — | Release |
| Sep 30–Oct 1, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Public Policy Polling | Progress Michigan | 746 | V | — | Peters 48 · James 41 | D+7 | — | — | Release |
| Sep 22–Oct 1, 2020 | 2020 United States Senate special election in Arizona (2020) | C Morning Consult | — | 1,048 | LV | — | Kelly 51 · McSally 38 | D+13 | — | — | Release |
| Sep 21–30, 2020 | 2020 United States Senate election in Texas (2020) | C Morning Consult | — | 2,700 | LV | — | Hegar 39 · Cornyn 46 | R+7 | — | — | Release |
| Sep 29–30, 2020 | 2020 United States Senate election in Kansas (2020) | B− VCreek/AMG | — | 3,104 | LV | — | Bollier 45 · Marshall 42 | D+3 | — | — | Release |
| Sep 26–30, 2020 | 2020 United States Senate special election in Arizona (2020) | A Suffolk University | — | 500 | LV | — | Kelly 49 · McSally 40 | D+9 | — | — | Release |
| Sep 26–29, 2020 | 2020 United States Senate election in Oregon (2020) | B+ Civiqs | Daily Kos | 944 | LV | — | Merkley 55 · Perkins 35 | D+20 | — | — | Release |
| Sep 26–29, 2020 | 2020 United States Senate election in Kansas (2020) | B+ Civiqs | Daily Kos | 677 | LV | — | Bollier 43 · Marshall 50 | R+7 | — | — | Release |
Showing 2,551–2,600 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)