Insights West
Insights West has 5 polls in our database and is rated on 2 past polls scored against results (2016).
Rated polls
22016
Average miss
2.6All pollsters: 6.8
Lean
R+0.1Against other polls of the same races
Picked winner
100%Of rated polls
Last poll
Nov 6, 20162016 United States Senate election in Arizona (2016)
Every rated poll against the result
Each dot is one poll from the last three weeks of a race: how far its margin landed from the result. Above the line it overstated Democrats; below, Republicans. Bars show each cycle’s average lean.
- Poll
- Cycle average
2 rated polls; misses beyond 10 points are drawn at the edge. Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET
By type of race
| Race type | Rated polls | Avg. miss | All pollsters | Lean | Picked winner |
|---|---|---|---|---|---|
| Senate | 2 | 2.6 | 5.5 | D+2.4 | 100% |
Avg. miss: green where it beats all pollsters’ average for that type. Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET
Among all pollsters
Average miss of every rated pollster, in points. Insights West is marked; darker bars are pollsters with a smaller miss.
Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET
Recent polls
All 5 in the database| Dates | Question | Sample | Result | Margin | vs result | Source |
|---|---|---|---|---|---|---|
| Nov 4–6, 2016 | 2016 United States Senate election in Arizona (2016) | 392 V | Kirkpatrick 42 · McCain 50 | R+8 | — | Release |
| Nov 4–6, 2016 | 2016 United States Senate election in Washington (2016) | 402 V | Murray 53 · Vance 37 | D+16 | — | Release |
| Sep 12–14, 2016 | 2016 United States Senate election in Arizona (2016) | 484 V | Kirkpatrick 35 · McCain 53 | R+18 | — | Release |
| Sep 12–14, 2016 | 2016 United States Senate election in Nevada (2016) | 398 LV | Masto 39 · Heck 43 | R+4 | — | Release |
| Sep 12–14, 2016 | 2016 United States Senate election in Washington (2016) | 505 V | Murray 46 · Vance 25 | D+21 | — | Release |
Latest poll ended Nov 6, 2016. Source: each poll’s own release, via the 99chambers polls database
Who it polls for
Sponsors of its polls since 2016, by share of polls.
No polls for candidates or party committees on file.
Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET