B−213th of 556

Riley Research Associates

Riley Research Associates has 1 poll in our database and is rated on 7 past polls scored against results (2002–2008).

Rated polls

7

2002–2008

Average miss

3.5

All pollsters: 6.8

Lean

D+0.1

Against other polls of the same races

Picked winner

100%

Of rated polls

Last poll

Oct 7, 2018

2018 Oregon gubernatorial election (2018)

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
R+1.1D+4.7R+0.9

7 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 typeRated pollsAvg. missAll pollstersLeanPicked winner
Governor33.75.7D+3.7100%
Senate34.35.5R+4.3100%
President10.24.4D+0.2100%

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. Riley Research Associates is marked; darker bars are pollsters with a smaller miss.

Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET

DatesQuestionSampleResultMarginvs resultSource
Sep 24–Oct 7, 20182018 Oregon gubernatorial election (2018)356 VBrown 49 · Buehler 45D+4—Release

Latest poll ended Oct 7, 2018. Source: each poll’s own release, via the 99chambers polls database

Who it polls for

Sponsors of its polls since 2018, by share of polls.

No sponsor named100%

No polls for candidates or party committees on file.

Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET