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
1,804House polls.
Polls per month
213
Sep 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 4–11, 2015 | 2016 Iowa's 1st congressional district election (2016) | C+ DFM Research | — | 328 | V | — | Vernon 38 · Blum 46 | R+8 | — | — | Release |
| Oct 12–13, 2015 | 2016 New York's 21st congressional district election (2016) | A− American Viewpoint | — | 400 | V | — | Derrick 29 · Stefanik 54 | R+25 | — | — | Release |
| Sep 12–16, 2015 | 2016 New York's 21st congressional district election (2016) | B+ Harper Polling | — | 464 | V | — | Derrick 17 · Stefanik 51 | R+34 | — | — | Release |
| Sep 12–13, 2015 | 2016 Michigan's 7th congressional district election (2016) | B+ Harper Polling | — | 404 | V | — | Driskell 32 · Walberg 49 | R+17 | — | — | Release |
Showing 1,801–1,804 of 1,804
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)