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.

Clear all

Pollster: Elway Research Remove ×

Matching polls

2

House polls by Elway Research.

Polls per month

1
Apr 2018Oct 2018

Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
Oct 4–9, 20182018 Washington's 8th congressional district election (2018)B− Elway Research—400V—Schrier 39 · Rossi 49R+10——Release
Apr 4–7, 20182018 Washington's 5th congressional district election (2018)B− Elway Research—403V—Brown 38 · Rodgers 44R+6——Release
Showing 1–2 of 2

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)