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: Insights West Remove ×
Matching polls
5Senate polls by Insights West.
Polls per month
3
Sep 2016Nov 2016
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 4–6, 2016 | 2016 United States Senate election in Washington (2016) | B Insights West | — | 402 | V | — | Murray 53 · Vance 37 | D+16 | — | — | Release |
| Nov 4–6, 2016 | 2016 United States Senate election in Arizona (2016) | B Insights West | — | 392 | V | — | Kirkpatrick 42 · McCain 50 | R+8 | — | — | Release |
| Sep 12–14, 2016 | 2016 United States Senate election in Washington (2016) | B Insights West | — | 505 | V | — | Murray 46 · Vance 25 | D+21 | — | — | Release |
| Sep 12–14, 2016 | 2016 United States Senate election in Nevada (2016) | B Insights West | — | 398 | LV | — | Masto 39 · Heck 43 | R+4 | — | — | Release |
| Sep 12–14, 2016 | 2016 United States Senate election in Arizona (2016) | B Insights West | — | 484 | V | — | Kirkpatrick 35 · McCain 53 | R+18 | — | — | Release |
Showing 1–5 of 5
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)