GBAO / Tina Kotek
Oct 1 – 4
DHM Research / The Oregonian/OregonLive
Sep 24 – Oct 1
DHM Research / Oregon Public Broadcasting
Sep 17 – 27
DHM Research / Grow Oregon
Sep 3 – 9
Public Opinion Strategies / Christine Drazan
Jun 22 – 24
Hoffman Research Group / Chris Dudley
May 11 – 12
FM3 Research / Charlie Health
Jan 28 – Feb 4