Poll Chart

2016 Iowa Democratic Presidential Caucus

Currently tracking 81 polls from 25 pollsters

Updated over 2 years ago

Election on February 1, 2016 results

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This chart combines the latest opinion polls into trendlines and is updated whenever a new poll is released.

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Clinton47.7%
Sanders44.7%
O'Malley3.8%
Biden0.0%
Chafee0.0%
Lessig0.0%
Webb0.0%
Undecided3.7%
Other0.0%

Our averages don't add up to 100% because we calculate each trendline separately.

Latest Polls

Poll	Sanders	Biden	Clinton	O'Malley	Webb	Chafee	Lessig	Undecided	Other
Emerson College Polling Society Jan 29 – Jan 31, 2016 300 Likely Voters - Democrat	43		51	4				3
Quinnipiac Jan 25 – Jan 31, 2016 919 Likely Voters - Democrat	49		46	3				2
Des Moines Register/Bloomberg/Selzer Jan 26 – Jan 29, 2016 602 Likely Voters - Democrat	42		45	3				9
Gravis Marketing/OANN Jan 26 – Jan 27, 2016 810 Likely Voters - Democrat	42		53	5
PPP (D-Progress Iowa) Jan 26 – Jan 27, 2016 851 Likely Voters - Democrat	40		48	7				5
NBC/WSJ/Marist Jan 24 – Jan 26, 2016 426 Likely Voters - Democrat	45		48	3				4	0
Monmouth University Jan 23 – Jan 26, 2016 504 Likely Voters - Democrat	42		47	6				6
ARG Jan 21 – Jan 24, 2016 400 Likely Voters - Democrat	48		45	3				4
Quinnipiac Jan 18 – Jan 24, 2016 606 Likely Voters - Democrat	49		45	4				2
Iowa State/WHO-HD Jan 5 – Jan 22, 2016 226 Likely Voters - Democrat	45		47	1				4	3
FOX Jan 18 – Jan 21, 2016 423 Likely Voters - Democrat	42		48	3				5	2
CBS/YouGov Jan 18 – Jan 21, 2016 490 Likely Voters - Democrat	47		46	5				1
Emerson College Polling Society Jan 18 – Jan 20, 2016 258 Likely Voters - Democrat	43		52	3				2
CNN Jan 15 – Jan 20, 2016 280 Likely Voters - Democrat	51		43	4				1	1
Monmouth College/KBUR/Douglas Fulmer & Associates Jan 18 – Jan 19, 2016 570 Likely Voters - Democrat	39		48	7				6
Loras College Jan 13 – Jan 18, 2016 500 Likely Voters - Democrat	30		59	7				5
Gravis Marketing/OANN Jan 11 – Jan 12, 2016 461 Likely Voters - Democrat	36		57	7
PPP (D) Jan 8 – Jan 10, 2016 580 Likely Voters - Democrat	40		46	8				5
Des Moines Register/Bloomberg/Selzer Jan 7 – Jan 10, 2016 504 Likely Voters - Democrat	40		42	4				14
ARG Jan 6 – Jan 10, 2016 600 Likely Voters - Democrat	47		44	3				5	0
Quinnipiac Jan 5 – Jan 10, 2016 492 Likely Voters - Democrat	49		44	4				3
Mason-Dixon/AARP Jan 4 – Jan 8, 2016 503 Likely Voters - Democrat	42		49	5				5
NBC/WSJ/Marist Jan 2 – Jan 7, 2016 422 Likely Voters - Democrat	45		48	5				3	0
Gravis Marketing Dec 18 – Dec 21, 2015 418 Likely Voters - Democrat	31		49	10				10
CBS/YouGov Dec 14 – Dec 17, 2015 602 Likely Voters - Democrat	45		50	4				1
PPP (D) Dec 10 – Dec 13, 2015 526 Likely Voters - Democrat	34		52	7				6
Quinnipiac Dec 4 – Dec 13, 2015 727 Likely Voters - Democrat	40		51	6				3
Loras College Dec 7 – Dec 10, 2015 501 Likely Voters - Democrat	27		59	4				10
Des Moines Register/Bloomberg/Selzer Dec 7 – Dec 10, 2015 400 Likely Voters - Democrat	39		48	4				8
FOX Dec 7 – Dec 10, 2015 357 Likely Voters - Democrat	36		50	5				6	4
Monmouth University Dec 3 – Dec 6, 2015 405 Likely Voters - Democrat	33		55	6				3
CNN Nov 28 – Dec 6, 2015 442 Likely Voters - Democrat	36		54	4				3	2
Quinnipiac Nov 16 – Nov 22, 2015 543 Likely Voters - Democrat	42		51	4				3
CBS/YouGov Nov 15 – Nov 19, 2015 602 Likely Voters - Democrat	44		50	5				1
Morning Consult/Campaign for Sustainable Rx Pricing Nov 10 – Nov 16, 2015 211 Registered Voters - Democrat	37		55	2				6	0
Iowa State/WHO-HD Nov 2 – Nov 15, 2015 496 Likely Voters - Democrat	28		50	3
CNN Oct 29 – Nov 4, 2015 498 Likely Voters - Democrat	37		55	3				4	1
PPP (D) Oct 30 – Nov 1, 2015 615 Likely Voters - Democrat	25		57	7			1	9
Gravis Marketing/OANN Oct 31 – Oct 31, 2015 273 Likely Voters - Democrat	25		57	3				15
Monmouth College/KBUR/Douglas Fulmer & Associates Oct 29 – Oct 31, 2015 681 Likely Voters - Democrat	32		46	5				17
Monmouth University Oct 22 – Oct 25, 2015 400 Likely Voters - Democrat	24		65	5			1	4
Loras College Oct 19 – Oct 22, 2015 500 Likely Voters - Democrat	24		62	3	1	0		10
CBS/YouGov Oct 15 – Oct 22, 2015 555 Likely Voters - Democrat	43		46	3	0	1	0	7
Quinnipiac Oct 14 – Oct 20, 2015 592 Likely Voters - Democrat	40		51	4		0	0	4
Des Moines Register/Bloomberg/Selzer Oct 16 – Oct 19, 2015 402 Likely Voters - Democrat	41		48	2	1	1	0	3
NBC/WSJ/Marist Sep 23 – Sep 30, 2015 348 Registered Voters - Democrat	36		47	4	1	0		13
Gravis Marketing/OANN Sep 25 – Sep 27, 2015 328 Likely Voters - Democrat	31	12	40	2	1			16
PPP (D) Sep 18 – Sep 20, 2015 494 Likely Voters - Democrat	22	17	43	3	3	2	0	9
CBS/YouGov Sep 3 – Sep 10, 2015 646 Likely Voters - Democrat	43	10	33	5	1	1		7
Quinnipiac Aug 27 – Sep 8, 2015 832 Likely Voters - Democrat	41	12	40	3	1	0		3
NBC/Marist Aug 26 – Sep 2, 2015 345 Registered Voters - Democrat	37		48	4	2	1		8
Gravis Marketing Aug 29 – Aug 31, 2015 421 Likely Voters - Democrat	17	5	45	5	1	1		14
Loras College Aug 24 – Aug 27, 2015 502 Likely Voters - Democrat	23	16	48	4	0	1		6
Des Moines Register/Bloomberg/Selzer Aug 23 – Aug 26, 2015 400 Likely Voters - Democrat	30	14	37	3	2	1		14
Suffolk/USA Today Aug 20 – Aug 24, 2015 500 Likely Voters - Democrat	20	11	54	4	1	0		10	0
CNN Aug 7 – Aug 11, 2015 429 Likely Voters - Democrat	31	12	50	1	1	0		4	1
PPP (D) Aug 7 – Aug 9, 2015 567 Likely Voters - Democrat	25		52	7	3	1		11
Gravis Marketing/OANN Jul 29 – Jul 29, 2015 236 Likely Voters - Democrat	24	6	51	5	1	2
NBC/Marist Jul 14 – Jul 21, 2015 320 Likely Voters - Democrat	26		55	4	2	1		13
We Ask America/Monmouth College/KBUR Jun 27 – Jun 29, 2015 1,022 Likely Voters - Democrat	20		63	5	3	1		8
Quinnipiac Jun 20 – Jun 29, 2015 761 Likely Voters - Democrat	33	7	52	3	1	0		5
Des Moines Register/Bloomberg/Selzer Jun 19 – Jun 22, 2015 401 Likely Voters - Democrat	24		50	2		0		23
Morning Consult May 31 – Jun 8, 2015 322 Registered Voters - Democrat	12	9	54	1	1	0		20	3
Des Moines Register/Bloomberg/Selzer May 25 – May 29, 2015 437 Likely Voters - Democrat	16	8	57	2	2			14
Quinnipiac Apr 25 – May 4, 2015 692 Likely Voters - Democrat	15	11	60	3	3	0		7
PPP (D) Apr 23 – Apr 26, 2015 466 Likely Voters - Democrat	14		62	6	3	2		13
Loras College Apr 21 – Apr 23, 2015 491 Likely Voters - Democrat	2	6	57	2	1	0		17
Quinnipiac Feb 16 – Feb 23, 2015 619 Likely Voters - Democrat	5	7	61	0	2			6
NBC/Marist Feb 3 – Feb 10, 2015 320 Likely Voters - Democrat	7	12	68	1	1			12
Des Moines Register/Bloomberg/Selzer Jan 26 – Jan 29, 2015 401 Likely Voters - Democrat	5	9	56	1	3			10