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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 2–4, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Civiqs | Daily Kos | 1,362 | RV | — | Cunningham 50 · Tillis 41 | D+9 | — | — | Release |
| May 1–3, 2020 | 2020 United States Senate election in Colorado (2020) | B− Keating Research/OnSight Public Affairs/Melanson | — | 600 | LV | — | Hickenlooper 54 · Gardner 36 | D+18 | — | — | Release |
| Apr 30–May 1, 2020 | 2020 United States Senate election in Iowa (2020) | B+ Public Policy Polling | — | 1,222 | V | — | Greenfield 42 · Ernst 43 | R+1 | — | — | Release |
| Apr 1–30, 2020 | 2020 United States Senate election in Maine (2020) | A+ Tarrance Group | the 1820 PAC | — | V | — | Gideon 47 · Collins 48 | R+1 | — | — | Release |
| Apr 28–29, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Public Policy Polling | — | 1,270 | V | — | Peters 46 · James 37 | D+9 | — | — | Release |
| Apr 27–28, 2020 | 2020 United States Senate election in North Carolina (2020) | C− Meredith College | — | 604 | RV | — | Cunningham 44 · Tillis 34 | D+10 | — | — | Release |
| Apr 18–27, 2020 | 2020 United States Senate election in Texas (2020) | B Dallas Morning News/University of Texas at Tyler | — | 1,183 | RV | — | Hegar 24 · Cornyn 37 | R+13 | — | — | Release |
| Apr 10–27, 2020 | 2020 United States Senate election in Montana (2020) | — Montana State University Bozeman | — | 459 | LV | — | Bullock 46 · Daines 39 | D+7 | — | — | Release |
| Apr 23–26, 2020 | 2020 United States Senate election in North Carolina (2020) | A SurveyUSA | — | 580 | LV | — | Cunningham 41 · Tillis 39 | D+2 | — | — | Release |
| Apr 14–21, 2020 | 2020 United States Senate election in Montana (2020) | C+ The Progress Campaign | — | 712 | LV | — | Bullock 49 · Daines 46 | D+3 | — | — | Release |
| Apr 18–21, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Beacon Research/Shaw & Company Research | Fox News | 801 | RV | — | Peters 46 · James 36 | D+10 | — | — | Release |
| Apr 16–19, 2020 | 2020 United States Senate election in New Jersey (2020) | A− Monmouth University Polling Institute | — | 635 | RV | — | Booker 55 · Mehta 32 | D+23 | — | — | Release |
| Apr 10–19, 2020 | 2020 United States Senate election in Colorado (2020) | — Montana State University Bozeman | — | 379 | LV | — | Hickenlooper 48 · Gardner 31 | D+17 | — | — | Release |
| Apr 9–18, 2020 | 2020 United States Senate election in Michigan (2020) | — Hodas & Associates | Restoration PAC | 600 | LV | — | Peters 46 · James 37 | D+9 | — | — | Release |
| Apr 14–15, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Public Policy Polling | — | 1,318 | LV | — | Cunningham 47 · Tillis 40 | D+7 | — | — | Release |
| Apr 7–12, 2020 | 2020 United States Senate election in Kentucky (2020) | — Bluegrass Data | Ditch Mitch Fund | 4,000 | RV | — | McGrath 38 · McConnell 40 | R+2 | — | — | Release |
| Apr 7–8, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 51 · McSally 42 | D+9 | — | — | Release |
| Apr 5–7, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Harper Polling/Civitas | — | 500 | LV | — | Cunningham 34 · Tillis 38 | R+4 | — | — | Release |
| Mar 30–Apr 1, 2020 | 2020 United States Senate election in Michigan (2020) | B− Spry Strategies | — | 602 | LV | — | Peters 42 · James 40 | D+2 | — | — | Release |
| Mar 31–Apr 1, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Public Policy Polling | — | 1,019 | V | — | Peters 45 · James 38 | D+7 | — | — | Release |
| Mar 12–21, 2020 | 2020 United States Senate election in Michigan (2020) | — Hodas & Associates | Restoration PAC | 600 | LV | — | Peters 48 · James 39 | D+9 | — | — | Release |
| Mar 16–20, 2020 | 2020 United States Senate election in Michigan (2020) | C− Marketing Resource Group | — | 600 | LV | — | Peters 42 · James 35 | D+7 | — | — | Release |
| Mar 10–15, 2020 | 2020 United States Senate special election in Arizona (2020) | B+ Marist University | NBC News | 2,523 | RV | — | Kelly 48 · McSally 45 | D+3 | — | — | Release |
| Mar 11–14, 2020 | 2020 United States Senate special election in Arizona (2020) | A− Monmouth University Polling Institute | — | 847 | RV | — | Kelly 50 · McSally 44 | D+6 | — | — | Release |
| Mar 12–13, 2020 | 2020 United States Senate election in Montana (2020) | B+ Public Policy Polling | End Citizens United | 903 | V | — | Bullock 47 · Daines 47 | Even | — | — | Release |
| Mar 10–12, 2020 | 2020 United States Senate election in Mississippi (2020) | B The Tyson Group | the Consumer Energy Alliance | 600 | LV | — | Espy 28 · Hyde-Smith 54 | R+26 | — | — | Release |
| Mar 3–11, 2020 | 2020 United States Senate election in South Carolina (2020) | C Brilliant Corners Research & Strategies | Harrison's campaign | 804 | LV | — | Harrison 43 · Graham 47 | R+4 | — | — | Release |
| Mar 10–11, 2020 | 2020 United States Senate election in Kansas (2020) | B+ Public Policy Polling | — | 1,567 | V | — | Bollier 37 · Marshall 47 | R+10 | — | — | Release |
| Mar 6–11, 2020 | 2020 United States Senate special election in Arizona (2020) | B− Univision | Arizona State University | 1,036 | RV | — | Kelly 48 · McSally 36 | D+12 | — | — | Release |
| Mar 5–8, 2020 | 2020 United States Senate election in Oklahoma (2020) | C+ Amber Integrated | — | 500 | LV | — | Broyles 31 · Inhofe 57 | R+26 | — | — | Release |
| Mar 3–7, 2020 | 2020 United States Senate election in Mississippi (2020) | C+ The Progress Campaign | — | 826 | V | — | Espy 44 · Hyde-Smith 52 | R+8 | — | — | Release |
| Mar 5–7, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Firehouse Strategies/0ptimus | — | 550 | LV | — | Peters 40 · James 41 | R+1 | — | — | Release |
| Mar 3–4, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 600 | LV | — | Kelly 49 · McSally 42 | D+7 | — | — | Release |
| Mar 2–3, 2020 | 2020 United States Senate election in Maine (2020) | B+ Public Policy Polling | — | 872 | V | — | Gideon 47 · Collins 43 | D+4 | — | — | Release |
| Mar 2–3, 2020 | 2020 United States Senate special election in Arizona (2020) | B+ Public Policy Polling | — | 666 | V | — | Kelly 47 · McSally 42 | D+5 | — | — | Release |
| Feb 27–28, 2020 | 2020 United States Senate election in North Carolina (2020) | A− East Carolina University | — | 1,288 | RV | — | Cunningham 42 · Tillis 44 | R+2 | — | — | Release |
| Feb 26–28, 2020 | 2020 United States Senate election in Mississippi (2020) | A Mason-Dixon Polling & Research, Inc. | — | 625 | LV | — | Espy 43 · Hyde-Smith 53 | R+10 | — | — | Release |
| Feb 23–27, 2020 | 2020 United States Senate election in Texas (2020) | B+ Marist University | NBC News | 2,409 | RV | — | Hegar 41 · Cornyn 49 | R+8 | — | — | Release |
| Feb 23–27, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Marist University | NBC News | 2,120 | RV | — | Cunningham 48 · Tillis 43 | D+5 | — | — | Release |
| Feb 25–26, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Public Policy Polling | private client | 911 | RV | — | Cunningham 46 · Tillis 41 | D+5 | — | — | Release |
| Feb 19–25, 2020 | 2020 United States Senate election in New Hampshire (2020) | C University of New Hampshire | — | 576 | RV | — | Shaheen 52 · Messner 28 | D+24 | — | — | Release |
| Feb 18–21, 2020 | 2020 United States Senate election in South Carolina (2020) | B+ Marist University | NBC News | 2,382 | RV | — | Harrison 37 · Graham 54 | R+17 | — | — | Release |
| Feb 12–18, 2020 | 2020 United States Senate election in Michigan (2020) | A− Quinnipiac University | — | 845 | RV | — | Peters 45 · James 39 | D+6 | — | — | Release |
| Feb 17, 2020 | 2020 United States Senate election in Oklahoma (2020) | — Abby Broyles | Abby Broyles | — | V | — | Broyles 44 · Inhofe 56 | R+12 | — | — | Release |
| Feb 10–13, 2020 | 2020 United States Senate election in Maine (2020) | C Colby College/SocialSphere | — | 1,008 | LV | — | Gideon 43 · Collins 42 | D+1 | — | — | Release |
| Feb 7–9, 2020 | 2020 United States Senate special election in Arizona (2020) | C HighGround Public Affairs | — | 400 | LV | — | Kelly 46 · McSally 39 | D+7 | — | — | Release |
| Feb 4–6, 2020 | 2020 United States Senate election in Alabama (2020) | A Mason-Dixon Polling & Research, Inc. | — | 625 | RV | — | Jones 42 · Tuberville 50 | R+8 | — | — | Release |
| Jan 31–Feb 2, 2020 | 2020 United States Senate election in South Carolina (2020) | A− East Carolina University | — | 1,756 | RV | — | Harrison 38 · Graham 51 | R+13 | — | — | Release |
| Jan 22–24, 2020 | 2020 United States Senate special election in Arizona (2020) | B+ Fabrizio, Lee & Associates | the McSally campaign | 1,000 | LV | — | Kelly 45 · McSally 47 | R+2 | — | — | Release |
| Jan 17–21, 2020 | 2020 United States Senate election in Kentucky (2020) | B+ Change Research | McGrath's campaign | 1,281 | LV | — | McGrath 41 · McConnell 41 | Even | — | — | Release |
Showing 2,951–3,000 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)