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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Matching polls
18Polls by Elway Research.
Polls per month
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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 8–12, 2024 | 2024 Washington gubernatorial election (2024) | B− Elway Research | Cascade PBS | 401 | LV | — | Ferguson 51 · Reichert 37 | D+14 | — | — | Release |
| Sep 3–6, 2024 | 2024 Washington gubernatorial election (2024) | B− Elway Research | Cascade PBS | 403 | RV | — | Ferguson 50 · Reichert 39 | D+11 | — | — | Release |
| Sep 3–6, 2024 | 2024 United States Senate election in Washington (2024) | B− Elway Research | Cascade PBS | 403 | RV | — | Cantwell 55 · Garcia 33 | D+22 | — | — | Release |
| May 13–16, 2024 | 2024 United States Senate election in Washington (2024) | B− Elway Research | Cascade PBS | 403 | RV | — | Cantwell 39 · Garcia 30 | D+9 | — | — | Release |
| Oct 30–Nov 3, 2023 | 2024 United States Senate election in Washington (2024) | B− Elway Research | Crosscut.com | 403 | RV | — | Cantwell 43 · Garcia 23 | D+20 | — | — | Release |
| Sep 12–15, 2022 | 2022 United States Senate election in Washington (2022) | B− Elway Research | — | 403 | LV | — | Murray 50 · Smiley 37 | D+13 | — | — | Release |
| Jul 7–11, 2022 | 2022 United States Senate election in Washington (2022) | B− Elway Research | — | 400 | RV | — | Murray 53 · Smiley 33 | D+20 | — | — | Release |
| Oct 4–9, 2018 | 2018 Washington's 8th congressional district election (2018) | B− Elway Research | — | 400 | V | — | Schrier 39 · Rossi 49 | R+10 | — | — | Release |
| Oct 4–9, 2018 | 2018 United States Senate election in Washington (2018) | B− Elway Research | Crosscut | 405 | RV | — | Cantwell 53 · Hutchison 39 | D+14 | — | — | Release |
| Apr 4–7, 2018 | 2018 Washington's 5th congressional district election (2018) | B− Elway Research | — | 403 | V | — | Brown 38 · Rodgers 44 | R+6 | — | — | Release |
| Oct 20–22, 2016 | 2016 Washington gubernatorial election (2016) | B− Elway Research | — | 502 | V | — | Inslee 51 · Bryant 39 | D+12 | — | — | Release |
| Oct 20–22, 2016 | 2016 United States Senate election in Washington (2016) | B− Elway Research | — | 502 | V | — | Murray 58 · Vance 34 | D+24 | — | — | Release |
| Aug 9–13, 2016 | 2016 Washington gubernatorial election (2016) | B− Elway Research | — | 500 | V | — | Inslee 48 · Bryant 36 | D+12 | — | — | Release |
| Aug 9–13, 2016 | 2016 United States Senate election in Washington (2016) | B− Elway Research | — | 500 | V | — | Murray 52 · Vance 34 | D+18 | — | — | Release |
| Apr 14–17, 2016 | 2016 Washington gubernatorial election (2016) | B− Elway Research | — | 503 | V | — | Inslee 48 · Bryant 36 | D+12 | — | — | Release |
| Apr 14–17, 2016 | 2016 United States Senate election in Washington (2016) | B− Elway Research | — | 503 | V | — | Murray 50 · Vance 32 | D+18 | — | — | Release |
| Dec 28–30, 2015 | 2016 Washington gubernatorial election (2016) | B− Elway Research | — | 500 | V | — | Inslee 39 · Bryant 30 | D+9 | — | — | Release |
| Oct 13–15, 2015 | 2016 United States Senate election in Washington (2016) | B− Elway Research | — | 500 | V | — | Murray 44 · Vance 23 | D+21 | — | — | Release |
Showing 1–18 of 18
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)