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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4House polls by DFM Research.
Polls per month
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Nov 2015Jan 2017Jan 2018Jan 2019Jan 2020Aug 2020
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 6–9, 2020 | 2020 Pennsylvania's 10th congressional district election (2020) | C+ DFM Research | — | 384 | LV | — | DePasquale 46 · Perry 44 | D+2 | — | — | Release |
| Oct 23–25, 2018 | 2018 Nebraska's 2nd congressional district election (2018) | C+ DFM Research | — | 350 | V | — | Eastman 45 · Bacon 52 | R+7 | — | — | Release |
| Sep 6–11, 2016 | 2016 Wyoming's at-large congressional district election (2016) | C+ DFM Research | — | 402 | V | — | Greene 30 · Cheney 46 | R+16 | — | — | Release |
| Nov 4–11, 2015 | 2016 Iowa's 1st congressional district election (2016) | C+ DFM Research | — | 328 | V | — | Vernon 38 · Blum 46 | R+8 | — | — | Release |
Showing 1–4 of 4
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)