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
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
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 28–Aug 9, 2020 | 2020 United States Senate election in Maine (2020) | — Critical Insights | — | 453 | LV | — | Gideon 43 · Collins 38 | D+5 | — | — | Release |
| Aug 8–9, 2020 | 2020 United States Senate election in Kansas (2020) | A SurveyUSA | — | 1,202 | LV | — | Bollier 44 · Marshall 46 | R+2 | — | — | Release |
| Aug 7–9, 2020 | 2020 United States Senate special election in Arizona (2020) | B+ Change Research | CNBC | 428 | LV | — | Kelly 49 · McSally 43 | D+6 | — | — | Release |
| Aug 5–6, 2020 | 2020 United States Senate election in Kansas (2020) | B+ Public Policy Polling | — | 864 | V | — | Bollier 42 · Marshall 43 | R+1 | — | — | Release |
| Jul 27–Aug 5, 2020 | 2020 United States Senate election in Colorado (2020) | C Morning Consult | — | 600 | LV | — | Hickenlooper 50 · Gardner 39 | D+11 | — | — | Release |
| Jul 27–Aug 5, 2020 | 2020 United States Senate special election in Arizona (2020) | C Morning Consult | — | 1,000 | LV | — | Kelly 49 · McSally 38 | D+11 | — | — | Release |
| Aug 2–4, 2020 | 2020 United States Senate special election in Arizona (2020) | A− OnMessage Inc. | — | 400 | LV | — | Kelly 48 · McSally 48 | Even | — | — | Release |
| Aug 3–4, 2020 | 2020 United States Senate special election in Arizona (2020) | B OH Predictive Insights | — | 603 | LV | — | Kelly 48 · McSally 43 | D+5 | — | — | Release |
| Jul 30–Aug 3, 2020 | 2020 United States Senate election in South Carolina (2020) | A− Quinnipiac University | — | 914 | RV | — | Harrison 44 · Graham 44 | Even | — | — | Release |
| Jul 30–Aug 3, 2020 | 2020 United States Senate election in Maine (2020) | A− Quinnipiac University | — | 807 | RV | — | Gideon 47 · Collins 43 | D+4 | — | — | Release |
| Jul 30–Aug 3, 2020 | 2020 United States Senate election in Kentucky (2020) | A− Quinnipiac University | — | 909 | RV | — | McGrath 44 · McConnell 49 | R+5 | — | — | Release |
| Jul 30–Aug 3, 2020 | 2020 United States Senate election in Iowa (2020)Not averaged | A− Monmouth University Polling Institute | — | 401 | LV | — | Greenfield 47 · Ernst 48 | R+1 | — | — | Release |
| Jul 30–Aug 3, 2020 | 2020 United States Senate election in Iowa (2020) | A− Monmouth University Polling Institute | — | 401 | LV | — | Greenfield 47 · Ernst 48 | R+1 | — | — | Release |
| Jul 30–Aug 3, 2020 | 2020 United States Senate election in Iowa (2020)Not averaged | A− Monmouth University Polling Institute | — | 401 | RV | — | Greenfield 45 · Ernst 48 | R+3 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate election in Texas (2020) | C Morning Consult | — | 2,576 | LV | — | Hegar 38 · Cornyn 44 | R+6 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate election in South Carolina (2020) | C Morning Consult | — | 741 | LV | — | Harrison 43 · Graham 44 | R+1 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate election in North Carolina (2020) | B Data for Progress | — | 1,170 | LV | — | Cunningham 49 · Tillis 41 | D+8 | — | — | Release |
| Jul 31–Aug 2, 2020 | 2020 United States Senate election in Montana (2020) | A+ Emerson College | — | 584 | LV | — | Bullock 44 · Daines 50 | R+6 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate election in Maine (2020) | B Data for Progress | — | 866 | LV | — | Gideon 48 · Collins 45 | D+3 | — | — | Release |
| Jul 27–Aug 2, 2020 | 2020 United States Senate election in Maine (2020) | B+ RMG Research | — | 500 | RV | — | Gideon 48 · Collins 41 | D+7 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate election in Kentucky (2020) | C Morning Consult | — | 793 | LV | — | McGrath 36 · McConnell 53 | R+17 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate election in Iowa (2020) | B Data for Progress | — | 1,101 | LV | — | Greenfield 45 · Ernst 43 | D+2 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate special election in Arizona (2020) | B Data for Progress | — | 1,215 | LV | — | Kelly 50 · McSally 40 | D+10 | — | — | Release |
| Jul 24–Aug 2, 2020 | 2020 United States Senate election in Alabama (2020) | C Morning Consult | — | 609 | LV | — | Jones 35 · Tuberville 52 | R+17 | — | — | Release |
| Jul 23–Aug 1, 2020 | 2020 United States Senate election in Texas (2020) | C Morning Consult | — | 2,700 | LV | — | Hegar 38 · Cornyn 44 | R+6 | — | — | Release |
| Jul 23–Aug 1, 2020 | 2020 United States Senate election in South Carolina (2020) | C Morning Consult | — | 764 | LV | — | Harrison 43 · Graham 44 | R+1 | — | — | Release |
| Jul 30–31, 2020 | 2020 United States Senate election in South Carolina (2020) | B+ Public Policy Polling | Giffords | 1,117 | V | — | Harrison 44 · Graham 47 | R+3 | — | — | Release |
| Jul 23–31, 2020 | 2020 United States Senate election in North Carolina (2020) | — HIT Strategies | DFER | 400 | RV | — | Cunningham 48 · Tillis 32 | D+16 | — | — | Release |
| Jul 28–31, 2020 | 2020 United States Senate election in North Carolina (2020) | B− CBS News/YouGov | — | 1,121 | LV | — | Cunningham 48 · Tillis 39 | D+9 | — | — | Release |
| Jul 30–31, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Public Policy Polling | — | 934 | V | — | Cunningham 48 · Tillis 44 | D+4 | — | — | Release |
| Jul 29–30, 2020 | 2020 United States Senate election in Oklahoma (2020) | C+ DFM Research | Abby Broyles | 572 | LV | — | Broyles 34 · Inhofe 50 | R+16 | — | — | Release |
| Jul 25–30, 2020 | 2020 United States Senate election in Michigan (2020) | A− EPIC-MRA | — | 600 | LV | — | Peters 50 · James 40 | D+10 | — | — | Release |
| Jul 27–30, 2020 | 2020 United States Senate election in Iowa (2020) | B+ RMG Research | — | 500 | RV | — | Greenfield 40 · Ernst 36 | D+4 | — | — | Release |
| Jul 25–29, 2020 | 2020 United States Senate election in Texas (2020) | C Global Strategy Group | Latino Decisions | 700 | LV | — | Hegar 43 · Cornyn 44 | R+1 | — | — | Release |
| Jul 28–29, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Public Policy Polling | Progress Michigan | 876 | V | — | Peters 47 · James 39 | D+8 | — | — | Release |
| Jul 25–29, 2020 | 2020 United States Senate election in Kentucky (2020) | — Bluegrass Data | Ditch Mitch Fund | 3,020 | RV | — | McGrath 46 · McConnell 49 | R+3 | — | — | Release |
| Jul 16–28, 2020 | 2020 United States Senate election in New Hampshire (2020) | C University of New Hampshire | — | 1,893 | LV | — | Shaheen 54 · Messner 35 | D+19 | — | — | Release |
| Jul 17–26, 2020 | 2020 United States Senate election in North Carolina (2020) | C Morning Consult | — | 1,504 | LV | — | Cunningham 46 · Tillis 37 | D+9 | — | — | Release |
| Jul 24–26, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Change Research | CNBC | 284 | LV | — | Cunningham 52 · Tillis 40 | D+12 | — | — | Release |
| Jul 17–26, 2020 | 2020 United States Senate election in Michigan (2020) | C Morning Consult | — | 1,320 | LV | — | Peters 49 · James 35 | D+14 | — | — | Release |
| Jul 24–26, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Change Research | CNBC | 413 | LV | — | Peters 48 · James 44 | D+4 | — | — | Release |
| Jul 17–26, 2020 | 2020 United States Senate election in Colorado (2020) | C Morning Consult | — | 616 | LV | — | Hickenlooper 48 · Gardner 42 | D+6 | — | — | Release |
| Jul 17–26, 2020 | 2020 United States Senate special election in Arizona (2020) | C Morning Consult | — | 908 | LV | — | Kelly 52 · McSally 36 | D+16 | — | — | Release |
| Jul 24–26, 2020 | 2020 United States Senate special election in Arizona (2020) | B+ Change Research | CNBC | 365 | LV | — | Kelly 47 · McSally 45 | D+2 | — | — | Release |
| Jul 22–24, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Cardinal Point Analytics | — | 735 | LV | — | Cunningham 43 · Tillis 43 | Even | — | — | Release |
| Jul 18–24, 2020 | 2020 United States Senate election in Michigan (2020) | C SSRS | CNN | 927 | RV | — | Peters 54 · James 38 | D+16 | — | — | Release |
| Jul 18–24, 2020 | 2020 United States Senate election in Maine (2020) | C Colby College/SocialSphere | — | 888 | LV | — | Gideon 44 · Collins 39 | D+5 | — | — | Release |
| Jul 18–24, 2020 | 2020 United States Senate special election in Arizona (2020) | C SSRS | CNN | 873 | RV | — | Kelly 50 · McSally 43 | D+7 | — | — | Release |
| Jul 19–23, 2020 | 2020 United States Senate election in North Carolina (2020) | C− Redfield & Wilton Strategies | — | 919 | LV | — | Cunningham 47 · Tillis 36 | D+11 | — | — | Release |
| Jul 22–23, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Public Policy Polling | — | 939 | V | — | Cunningham 48 · Tillis 40 | D+8 | — | — | Release |
Showing 2,801–2,850 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)