Poll Chart

2016 Iowa Democratic Presidential Caucus

Currently tracking 81 polls from 25 pollsters
Updated 14 days ago
Election on February 1, 2016 results

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

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Latest Polls

Poll
Clinton
Sanders
O'Malley
Biden
Chafee
Lessig
Webb
Undecided
Other
Jan 29 – Jan 31
300 Likely Voters - Democrat
51 43 4 3
Jan 25 – Jan 31
919 Likely Voters - Democrat
46 49 3 2
Jan 26 – Jan 29
602 Likely Voters - Democrat
45 42 3 9
Jan 26 – Jan 27
810 Likely Voters - Democrat
53 42 5
Jan 26 – Jan 27
851 Likely Voters - Democrat
48 40 7 5
Jan 24 – Jan 26
426 Likely Voters - Democrat
48 45 3 4 0
Jan 23 – Jan 26
504 Likely Voters - Democrat
47 42 6 6
ARG
Jan 21 – Jan 24
400 Likely Voters - Democrat
45 48 3 4
Jan 18 – Jan 24
606 Likely Voters - Democrat
45 49 4 2
Jan 5 – Jan 22
226 Likely Voters - Democrat
47 45 1 4 3
Jan 18 – Jan 21
490 Likely Voters - Democrat
46 47 5 1
FOX
Jan 18 – Jan 21
423 Likely Voters - Democrat
48 42 3 5 2
Jan 18 – Jan 20
258 Likely Voters - Democrat
52 43 3 2
CNN
Jan 15 – Jan 20
280 Likely Voters - Democrat
43 51 4 1 1
Jan 18 – Jan 19
570 Likely Voters - Democrat
48 39 7 6
Jan 13 – Jan 18
500 Likely Voters - Democrat
59 30 7 5
Jan 11 – Jan 12
461 Likely Voters - Democrat
57 36 7
Jan 8 – Jan 10
580 Likely Voters - Democrat
46 40 8 5
Jan 7 – Jan 10
504 Likely Voters - Democrat
42 40 4 14
ARG
Jan 6 – Jan 10
600 Likely Voters - Democrat
44 47 3 5 0
Jan 5 – Jan 10
492 Likely Voters - Democrat
44 49 4 3
Jan 4 – Jan 8
503 Likely Voters - Democrat
49 42 5 5
Jan 2 – Jan 7
422 Likely Voters - Democrat
48 45 5 3 0
Dec 18 – Dec 21, 2015
418 Likely Voters - Democrat
49 31 10 10
Dec 14 – Dec 17, 2015
602 Likely Voters - Democrat
50 45 4 1
Dec 10 – Dec 13, 2015
526 Likely Voters - Democrat
52 34 7 6
Dec 4 – Dec 13, 2015
727 Likely Voters - Democrat
51 40 6 3
Dec 7 – Dec 10, 2015
400 Likely Voters - Democrat
48 39 4 8
FOX
Dec 7 – Dec 10, 2015
357 Likely Voters - Democrat
50 36 5 6 4
Dec 7 – Dec 10, 2015
501 Likely Voters - Democrat
59 27 4 10
Dec 3 – Dec 6, 2015
405 Likely Voters - Democrat
55 33 6 3
CNN
Nov 28 – Dec 6, 2015
442 Likely Voters - Democrat
54 36 4 3 2
Nov 16 – Nov 22, 2015
543 Likely Voters - Democrat
51 42 4 3
Nov 15 – Nov 19, 2015
602 Likely Voters - Democrat
50 44 5 1
Nov 10 – Nov 16, 2015
211 Registered Voters - Democrat
55 37 2 6 0
Nov 2 – Nov 15, 2015
496 Likely Voters - Democrat
50 28 3
CNN
Oct 29 – Nov 4, 2015
498 Likely Voters - Democrat
55 37 3 4 1
Oct 30 – Nov 1, 2015
615 Likely Voters - Democrat
57 25 7 1 9
Oct 31 – Oct 31, 2015
273 Likely Voters - Democrat
57 25 3 15
Oct 29 – Oct 31, 2015
681 Likely Voters - Democrat
46 32 5 17
Oct 22 – Oct 25, 2015
400 Likely Voters - Democrat
65 24 5 1 4
Oct 19 – Oct 22, 2015
500 Likely Voters - Democrat
62 24 3 0 1 10
Oct 15 – Oct 22, 2015
555 Likely Voters - Democrat
46 43 3 1 0 0 7
Oct 14 – Oct 20, 2015
592 Likely Voters - Democrat
51 40 4 0 0 4
Oct 16 – Oct 19, 2015
402 Likely Voters - Democrat
48 41 2 1 0 1 3
Sep 23 – Sep 30, 2015
348 Registered Voters - Democrat
47 36 4 0 1 13
Sep 25 – Sep 27, 2015
328 Likely Voters - Democrat
40 31 2 12 1 16
Sep 18 – Sep 20, 2015
494 Likely Voters - Democrat
43 22 3 17 2 0 3 9
Sep 3 – Sep 10, 2015
646 Likely Voters - Democrat
33 43 5 10 1 1 7
Aug 27 – Sep 8, 2015
832 Likely Voters - Democrat
40 41 3 12 0 1 3
Aug 26 – Sep 2, 2015
345 Registered Voters - Democrat
48 37 4 1 2 8
Aug 29 – Aug 31, 2015
421 Likely Voters - Democrat
45 17 5 5 1 1 14
Aug 24 – Aug 27, 2015
502 Likely Voters - Democrat
48 23 4 16 1 0 6
Aug 23 – Aug 26, 2015
400 Likely Voters - Democrat
37 30 3 14 1 2 14
Aug 20 – Aug 24, 2015
500 Likely Voters - Democrat
54 20 4 11 0 1 10 0
CNN
Aug 7 – Aug 11, 2015
429 Likely Voters - Democrat
50 31 1 12 0 1 4 1
Aug 7 – Aug 9, 2015
567 Likely Voters - Democrat
52 25 7 1 3 11
Jul 29 – Jul 29, 2015
236 Likely Voters - Democrat
51 24 5 6 2 1
Jul 14 – Jul 21, 2015
320 Likely Voters - Democrat
55 26 4 1 2 13
Jun 27 – Jun 29, 2015
1,022 Likely Voters - Democrat
63 20 5 1 3 8
Jun 20 – Jun 29, 2015
761 Likely Voters - Democrat
52 33 3 7 0 1 5
Jun 19 – Jun 22, 2015
401 Likely Voters - Democrat
50 24 2 0 23
May 31 – Jun 8, 2015
322 Registered Voters - Democrat
54 12 1 9 0 1 20 3
May 25 – May 29, 2015
437 Likely Voters - Democrat
57 16 2 8 2 14
Apr 25 – May 4, 2015
692 Likely Voters - Democrat
60 15 3 11 0 3 7
Apr 23 – Apr 26, 2015
466 Likely Voters - Democrat
62 14 6 2 3 13
Apr 21 – Apr 23, 2015
491 Likely Voters - Democrat
57 2 2 6 0 1 17
Feb 16 – Feb 23, 2015
619 Likely Voters - Democrat
61 5 0 7 2 6
Feb 3 – Feb 10, 2015
320 Likely Voters - Democrat
68 7 1 12 1 12
Jan 26 – Jan 29, 2015
401 Likely Voters - Democrat
56 5 1 9 3 10
CNN
Sep 8 – Sep 10, 2014
309 Registered Voters - Democrat
53 5 2 15 15 1
Aug 23 – Aug 26, 2014
191 Likely Voters - Democrat
66 2 8 8 2
Jul 7 – Jul 13, 2014
538 Likely Voters - Democrat
70 20 10
Jun 4 – Jun 5, 2014
Likely Voters - Democrat
65 2 18
May 15 – May 19, 2014
356 Likely Voters - Democrat
59 1 12 8
Apr 22 – Apr 24, 2014
204 Likely Voters - Democrat
71 1 13
Apr 3 – Apr 8, 2014
135 Likely Voters - Democrat
63 10 12 1
Feb 20 – Feb 23, 2014
335 Likely Voters - Democrat
67 0 12 10
Jul 5 – Jul 7, 2013
260 Likely Voters - Democrat
71 1 12 5
Feb 1 – Feb 3, 2013
313 Registered Voters - Democrat
68 0 21 3
Nov 3 – Nov 4, 2012
391 Likely Voters - Democrat
58 0 17 13

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