Election 2016 Polls - Dave Leip's Atlas of U.S. Presidential Elections

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Iowa Polls (Aggregate = Strong Grassley for 3-poll average)

National Summary

Candidate		Party	Avg.	#Wins	Poll Graph
	Charles E. Grassley*	Republican	56%	3
	Patty Judge	Democratic	34%	0
	Other	-	2%	0
	Undecided	-	8%	0

Three-Poll Rolling Average
Rolling Average Poll Graph

Rolling Average Poll Graph

Date	Poll Source	Spread	Rep	Dem	Ind	Und	M.O.E.	Sample	#C
2016-11-04	Selzer & Co	R +23	56%	33%	0%	11%	4%	800 L	2
2016-11-03	Loras College	R +16	53%	37%	1%	8%	4%	500 L	3
2016-11-03	Emerson College	R +28	60%	32%	4%	5%	4%	700 L	1
2016-10-31	Other Source	R +15	56%	41%	0%	3%	3%	984 L	41
2016-10-26	Quinnipiac University	R +18	56%	38%	0%	6%	4%	791 L	7
2016-09-22	Loras College	R +17	54%	37%	0%	9%	4%	491 L	1
2016-09-21	Quinnipiac University	R +12	55%	43%	0%	2%	4%	612 L	3
2016-09-14	Monmouth University	R +17	56%	39%	0%	5%	5%	404 L	12
2016-09-08	RABA Research	R +13	50%	37%	0%	13%	3%	1,054 L	8
2016-09-01	Emerson College	R +11	51%	40%	0%	9%	4%	600 L	9
2016-08-31	Public Policy Polling	R +6	49%	43%	0%	8%	3%	827 L	9
2016-08-19	YouGov	R +7	45%	38%	0%	15%	4%	987 L	16
2016-08-16	Quinnipiac University	R +9	51%	42%	0%	7%	3%	846 L	6
2016-08-10	Suffolk University	R +10	52%	42%	0%	6%	4%	500 L	3
2016-08-07	Marist College	R +10	52%	42%	0%	6%	3%	899 R	18
2016-07-15	YouGov	R +8	45%	37%	0%	18%	5%	998 L	1
2016-07-13	Marist College	R +10	52%	42%	0%	6%	3%	822 R	0
2016-07-11	Monmouth University	R +10	52%	42%	0%	6%	5%	401 L	7
2016-06-28	Loras College	R +1	46%	45%	0%	9%	4%	600 L
2016-06-10	Public Policy Polling	R +7	48%	41%	0%	11%	4%	630 L	27
2016-01-10	Public Policy Polling	R +24	52%	28%	0%	20%	2%	1,901 R	2
2015-12-13	Public Policy Polling	R +25	54%	29%	0%	27%	3%	1,426 R
2015-11-01	Public Policy Polling	R +24	53%	29%	0%	18%	2%	1,668 R	10
2015-09-20	Public Policy Polling	R +28	56%	28%	0%	16%	3%	1,374 L	5
2015-08-09	Public Policy Polling	R +23	52%	29%	0%	19%	3%	1,500 R
2015-01-01	Public Policy Polling	R +9	51%	42%	0%	7%	3%	1,192 L

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