Pollster	Dates	N/Pop	Smith	Merkley	Brownlow	Frohnmayer	Other	Undecided	Margin
YouGov/Polimetrix	10/18-11/1/08	698 RV	43	44	-	-	-	-	+1D
Rasmussen	10/30/08	500 LV	46	49	-	-	4	1	+3D
SurveyUSA	10/29-30/08	700 LV	42	49	5	-	-	4	+7D
PPP (D)	10/28-30/08	1424 LV	43	51	4	-	-	2	+8D
DailyKos.com (D)/Research 2000	10/27-29/08	600 LV	42	48	-	-	5	5	+6D
Moore Information (R)	10/27-28/08	400 RV	45	41	5	-	-	10	+4R
SurveyUSA	10/25-26/08	672 LV	42	49	5	-	-	4	+7D
Portland Tribune	10/23-25/08	500 RV	40	45	3	-	-	2	+5D
Riley Research	10/10-20/08	499 LV	35	36	4	-	2	23	+1D
DailyKos.com (D)/Research 2000	10/14-15/08	600 LV	41	47	-	-	6	6	+6D
Rasmussen	10/14/08	500 LV	47	47	-	-	4	2	0
SurveyUSA	10/11-12/08	584 LV	41	46	7	-	-	6	+5D
Grove Insight (D)	10/7-9/08	600 LV	36	41	3	-	-	20	+5D
DailyKos.com (D)/Research 2000	9/22-24/08	600 LV	40	45	-	-	6	9	+5D
SurveyUSA	9/22-23/08	708 LV	42	44	8	-	-	6	+2D
Rasmussen	9/15/08	700 LV	46	45	-	-	2	7	+1R
Portland Tribune	9/11-14/08	500 RV	37	36	4	-	-	23	+1R
Benenson (D-Merkley)	9/7-9/08	702 LV	41	43	6	-	-	10	+2D
Benenson (D-Merkley)	8/15/08	LV	47	38	4	-	-	11	+9R
Rasmussen	8/7/08	500 LV	50	44	-	-	1	6	+6R
SurveyUSA	8/2-4/08	629 LV	49	37	8	-	-	6	+12R
Rasmussen	7/14/08	500 LV	46	46	-	-	1	7	0
Zogby (Internet)	6/11-30/08	821 LV	29	38	5	8	-	20	+9D
Benenson (D-Merkley)	6/15/08	LV	48	38	4	-	-	9	+10R
Rasmussen	6/11/08	500 LV	47	38	-	-	8	7	+9R
POS (R-U.S. Chamber of Commerce)	5/27-29/08	300 LV	38	34	-	11	-	16	+4R
Feldman (D-DSCC)	5/12-16/08	800 LV	45	42	-	-	-	14	+3R
Rasmussen	5/7/08	500 LV	45	42	-	-	4	9	+3R
Rasmussen	3/26/08	500 LV	47	34	-	-	-	-	+13R
Rasmussen	2/13/08	500 LV	48	30	-	-	8	13	+18R
Riley Research	11/30-12/12/07	401 LV	39	12	-	14	-	35	+25R
SurveyUSA	10/24-28/07	641 RV	48	39	-	-	-	13	+9R
Riley Research	8/10-15/07	406 LV	38	19	-	7	-	35	+19R
Lake Research (D-Novick)	7/7-11/07	500 LV	49	25	-	-	-	26	+24R