Poll Chart

2016 Iowa Democratic Presidential Caucus

Currently tracking 81 polls from 25 pollsters
Updated about 2 months 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.

Choices

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Latest Polls

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

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