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.
Pollster: Gravis Marketing Remove ×
Matching polls
8House polls by Gravis Marketing.
Polls per month
3
Jun 2018Nov 2018
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 30–Nov 1, 2018 | 2018 Vermont's at-large congressional district election (2018) | B− Gravis Marketing | — | 885 | V | — | Welch 66 · Tynio 28 | D+38 | — | — | Release |
| Oct 24–26, 2018 | 2018 Montana's at-large congressional district election (2018) | B− Gravis Marketing | — | 782 | V | — | Williams 48 · Gianforte 48 | Even | — | — | Release |
| Oct 8, 2018 | 2018 Oregon's 5th congressional district election (2018) | B− Gravis Marketing | — | 359 | V | — | Schrader 33 · Callahan 56 | R+23 | — | — | Release |
| Sep 19–22, 2018 | 2018 Montana's at-large congressional district election (2018) | B− Gravis Marketing | — | 710 | V | — | Williams 42 · Gianforte 51 | R+9 | — | — | Release |
| Sep 8–11, 2018 | 2018 Iowa's 2nd congressional district election (2018)Not averaged | B− Gravis Marketing | — | 425 | V | — | Loebsack 43 · Peters 37 | D+6 | — | — | Release |
| Sep 8–11, 2018 | 2018 Iowa's 2nd congressional district election (2018) | B− Gravis Marketing | — | 425 | V | — | Loebsack 46 · Peters 38 | D+8 | — | — | Release |
| Jul 24–29, 2018 | 2018 Delaware's at-large congressional district election (2018) | B− Gravis Marketing | — | 884 | V | — | Rochester 46 · Walker 38 | D+8 | — | — | Release |
| Jun 11–13, 2018 | 2018 Montana's at-large congressional district election (2018) | B− Gravis Marketing | — | 469 | V | — | Williams 49 · Gianforte 43 | D+6 | — | — | Release |
Showing 1–8 of 8
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)