Poll Chart
2016 Iowa Republican Presidential Caucus
This chart combines the latest opinion polls into trendlines and is updated whenever a new poll is released.
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Our averages don't add up to 100% because we calculate each trendline separately.
Latest Polls
Poll | Carson |
Huckabee |
Perry |
Walker |
Santorum |
Rubio |
Bush |
Paul |
Jindal |
Cruz |
Christie |
Kasich |
Fiorina |
Trump |
Graham |
Pataki |
Gilmore |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan 29 – Jan 31, 2016
298 Likely Voters - Republican
|
3 | 5 | 1 | 22 | 4 | 3 | 26 | 3 | 4 | 2 | 27 | ||||||
Jan 25 – Jan 31, 2016
890 Likely Voters - Republican
|
8 | 3 | 1 | 17 | 4 | 4 | 24 | 1 | 2 | 2 | 31 | ||||||
Jan 29 – Jan 30, 2016
887 Likely Voters - Republican
|
9 | 4 | 2 | 19 | 5 | 9 | 19 | 3 | 4 | 4 | 20 | ||||||
Jan 26 – Jan 29, 2016
602 Likely Voters - Republican
|
10 | 2 | 2 | 15 | 2 | 5 | 23 | 3 | 2 | 2 | 28 | ||||||
Jan 26 – Jan 27, 2016
724 Likely Voters - Republican
|
7 | 2 | 1 | 13 | 6 | 2 | 27 | 3 | 4 | 3 | 31 | ||||||
Jan 26 – Jan 27, 2016
780 Likely Voters - Republican
|
9 | 4 | 1 | 14 | 4 | 4 | 23 | 2 | 2 | 3 | 31 | 1 | |||||
Jan 24 – Jan 26, 2016
450 Likely Voters - Republican
|
8 | 2 | 18 | 4 | 2 | 25 | 2 | 2 | 2 | 32 | |||||||
Jan 23 – Jan 26, 2016
500 Likely Voters - Republican
|
10 | 3 | 1 | 16 | 4 | 3 | 23 | 2 | 3 | 2 | 30 | 0 | |||||
Jan 21 – Jan 24, 2016
400 Likely Voters - Republican
|
7 | 2 | 1 | 11 | 3 | 4 | 26 | 4 | 3 | 1 | 33 | 0 | |||||
Jan 18 – Jan 24, 2016
651 Likely Voters - Republican
|
7 | 2 | 0 | 13 | 4 | 5 | 29 | 3 | 1 | 1 | 31 | ||||||
Jan 5 – Jan 22, 2016
185 Likely Voters - Republican
|
13 | 4 | 1 | 12 | 4 | 7 | 26 | 1 | 1 | 1 | 19 | ||||||
Jan 18 – Jan 21, 2016
492 Likely Voters - Republican
|
5 | 0 | 1 | 13 | 1 | 3 | 34 | 2 | 1 | 1 | 39 | 0 | |||||
Jan 18 – Jan 21, 2016
378 Likely Voters - Republican
|
7 | 2 | 2 | 12 | 4 | 6 | 23 | 4 | 2 | 1 | 34 | 0 | |||||
Jan 18 – Jan 20, 2016
271 Likely Voters - Republican
|
9 | 2 | 14 | 5 | 3 | 23 | 5 | 3 | 2 | 33 | |||||||
Jan 15 – Jan 20, 2016
266 Likely Voters - Republican
|
6 | 3 | 1 | 14 | 3 | 2 | 26 | 1 | 1 | 1 | 37 | ||||||
Jan 18 – Jan 19, 2016
687 Likely Voters - Republican
|
11 | 4 | 1 | 9 | 7 | 3 | 27 | 4 | 3 | 3 | 25 | 1 | |||||
Jan 13 – Jan 18, 2016
500 Likely Voters - Republican
|
8 | 3 | 1 | 13 | 6 | 3 | 25 | 3 | 4 | 2 | 26 | ||||||
Jan 11 – Jan 12, 2016
422 Likely Voters - Republican
|
9 | 2 | 0 | 5 | 4 | 3 | 28 | 5 | 4 | 1 | 34 | ||||||
Jan 8 – Jan 10, 2016
530 Likely Voters - Republican
|
8 | 3 | 2 | 13 | 6 | 3 | 26 | 3 | 3 | 3 | 28 | 0 | |||||
Jan 7 – Jan 10, 2016
500 Likely Voters - Republican
|
11 | 3 | 1 | 12 | 4 | 5 | 25 | 3 | 2 | 2 | 22 | 0 | |||||
Jan 6 – Jan 10, 2016
600 Likely Voters - Republican
|
8 | 2 | 2 | 10 | 3 | 4 | 25 | 6 | 3 | 1 | 29 | ||||||
Jan 5 – Jan 10, 2016
602 Likely Voters - Republican
|
7 | 3 | 1 | 15 | 3 | 2 | 29 | 4 | 2 | 1 | 31 | ||||||
Jan 4 – Jan 8, 2016
504 Likely Voters - Republican
|
6 | 2 | 1 | 12 | 5 | 4 | 31 | 4 | 3 | 3 | 24 | 0 | |||||
Jan 4 – Jan 7, 2016
504 Likely Voters - Republican
|
9 | 2 | 1 | 15 | 7 | 5 | 27 | 4 | 1 | 1 | 23 | ||||||
Jan 2 – Jan 7, 2016
456 Likely Voters - Republican
|
11 | 2 | 13 | 4 | 5 | 28 | 3 | 2 | 3 | 24 | |||||||
Dec 18 – Dec 21, 2015
440 Likely Voters - Republican
|
7 | 4 | 0 | 9 | 4 | 1 | 31 | 3 | 2 | 3 | 31 | 1 | 1 | ||||
Dec 14 – Dec 17, 2015
534 Likely Voters - Republican
|
6 | 2 | 1 | 12 | 2 | 2 | 40 | 1 | 1 | 2 | 31 | 0 | 0 | 0 | |||
Dec 10 – Dec 13, 2015
522 Likely Voters - Republican
|
10 | 3 | 1 | 14 | 7 | 2 | 25 | 3 | 2 | 3 | 28 | 1 | 0 | 0 | |||
Dec 4 – Dec 13, 2015
874 Likely Voters - Republican
|
10 | 1 | 0 | 14 | 5 | 4 | 27 | 3 | 1 | 3 | 28 | 0 | 0 | ||||
Dec 7 – Dec 10, 2015
499 Likely Voters - Republican
|
11 | 2 | 1 | 11 | 6 | 2 | 30 | 0 | 1 | 3 | 23 | 0 | |||||
Dec 7 – Dec 10, 2015
450 Likely Voters - Republican
|
10 | 1 | 0 | 13 | 5 | 5 | 28 | 2 | 1 | 2 | 26 | 0 | 1 | 0 | |||
Dec 7 – Dec 10, 2015
400 Likely Voters - Republican
|
13 | 3 | 1 | 10 | 6 | 3 | 31 | 3 | 2 | 1 | 21 | 0 | 0 | 0 | |||
Dec 3 – Dec 6, 2015
425 Likely Voters - Republican
|
13 | 2 | 1 | 17 | 6 | 4 | 24 | 2 | 3 | 3 | 19 | 0 | 0 | 0 | |||
Nov 28 – Dec 6, 2015
552 Likely Voters - Republican
|
16 | 2 | 1 | 11 | 4 | 3 | 20 | 2 | 1 | 3 | 33 | 0 | 0 | 0 | |||
Nov 16 – Nov 22, 2015
600 Likely Voters - Republican
|
18 | 2 | 2 | 13 | 4 | 5 | 23 | 2 | 1 | 3 | 25 | 0 | 0 | ||||
Nov 15 – Nov 19, 2015
657 Likely Voters - Republican
|
19 | 1 | 2 | 11 | 5 | 2 | 2 | 21 | 2 | 1 | 4 | 30 | |||||
Nov 10 – Nov 16, 2015
239 Registered Voters - Republican
|
17 | 2 | 1 | 12 | 9 | 3 | 1 | 9 | 3 | 1 | 4 | 29 | 0 | ||||
Nov 2 – Nov 15, 2015
518 Likely Voters - Republican
|
27 | 1 | 0 | 17 | 5 | 3 | 9 | 0 | 1 | 2 | 15 | 0 | |||||
Oct 29 – Nov 4, 2015
548 Likely Voters - Republican
|
23 | 2 | 0 | 13 | 5 | 2 | 4 | 11 | 3 | 2 | 4 | 25 | 2 | 0 | 0 | ||
Oct 30 – Nov 1, 2015
638 Likely Voters - Republican
|
21 | 6 | 2 | 10 | 5 | 2 | 6 | 14 | 3 | 2 | 5 | 22 | 0 | 0 | 0 | ||
Oct 31 – Oct 31, 2015
356 Likely Voters - Republican
|
22 | 1 | 0 | 18 | 6 | 2 | 2 | 9 | 2 | 3 | 5 | 29 | 0 | ||||
Oct 29 – Oct 31, 2015
874 Likely Voters - Republican
|
28 | 2 | 1 | 10 | 9 | 2 | 1 | 15 | 2 | 2 | 4 | 20 | 0 | 0 | 0 | ||
Oct 22 – Oct 25, 2015
400 Likely Voters - Republican
|
32 | 2 | 1 | 10 | 8 | 3 | 2 | 10 | 1 | 2 | 5 | 18 | 0 | 0 | 0 | ||
Oct 19 – Oct 22, 2015
500 Likely Voters - Republican
|
31 | 1 | 0 | 10 | 7 | 2 | 5 | 6 | 2 | 1 | 2 | 19 | 0 | 0 | |||
Oct 15 – Oct 22, 2015
529 Likely Voters - Republican
|
27 | 2 | 2 | 9 | 6 | 3 | 2 | 12 | 1 | 2 | 3 | 27 | 0 | 0 | 0 | ||
Oct 14 – Oct 20, 2015
574 Likely Voters - Republican
|
28 | 2 | 1 | 13 | 5 | 6 | 3 | 10 | 1 | 3 | 5 | 20 | |||||
Oct 16 – Oct 19, 2015
401 Likely Voters - Republican
|
28 | 3 | 2 | 9 | 5 | 5 | 2 | 10 | 1 | 2 | 4 | 19 | 0 | 0 | 0 | ||
Oct 3 – Oct 4, 2015
500 Likely Voters - Republican
|
21 | 3 | 1 | 11 | 10 | 1 | 5 | 1 | 2 | 10 | 16 | ||||||
Sep 23 – Sep 30, 2015
431 Registered Voters - Republican
|
19 | 5 | 1 | 6 | 7 | 4 | 6 | 6 | 4 | 3 | 8 | 24 | 1 | 0 | 0 | ||
Sep 25 – Sep 27, 2015
454 Likely Voters - Republican
|
14 | 2 | 1 | 9 | 7 | 2 | 2 | 11 | 1 | 3 | 10 | 19 | 2 | 0 | |||
Sep 18 – Sep 20, 2015
488 Likely Voters - Republican
|
17 | 6 | 5 | 1 | 8 | 6 | 4 | 4 | 8 | 1 | 2 | 13 | 24 | 0 | 0 | 0 | |
Sep 3 – Sep 10, 2015
705 Likely Voters - Republican
|
25 | 4 | 0 | 5 | 3 | 6 | 3 | 2 | 2 | 10 | 1 | 2 | 4 | 29 | 0 | 0 | 1 |
Aug 27 – Sep 8, 2015
1,038 Likely Voters - Republican
|
21 | 4 | 1 | 3 | 1 | 5 | 6 | 4 | 2 | 9 | 1 | 5 | 5 | 27 | 1 | 0 | |
Aug 26 – Sep 2, 2015
390 Registered Voters - Republican
|
22 | 3 | 0 | 5 | 1 | 4 | 6 | 5 | 4 | 4 | 2 | 2 | 5 | 29 | 0 | 0 | 0 |
Aug 29 – Aug 31, 2015
507 Likely Voters - Republican
|
16 | 3 | 1 | 6 | 1 | 6 | 4 | 1 | 5 | 7 | 2 | 1 | 5 | 32 | 0 | 0 | |
Aug 27 – Aug 30, 2015
405 Likely Voters - Republican
|
23 | 2 | 1 | 7 | 2 | 4 | 5 | 3 | 1 | 9 | 1 | 4 | 10 | 23 | 0 | 0 | 0 |
Aug 24 – Aug 27, 2015
502 Likely Voters - Republican
|
18 | 4 | 1 | 6 | 1 | 4 | 10 | 2 | 1 | 7 | 2 | 3 | 5 | 25 | 0 | 0 | |
Aug 23 – Aug 26, 2015
400 Likely Voters - Republican
|
18 | 4 | 1 | 8 | 1 | 6 | 6 | 4 | 2 | 8 | 2 | 2 | 5 | 23 | 0 | 0 | 0 |
Aug 7 – Aug 11, 2015
544 Likely Voters - Republican
|
14 | 7 | 1 | 9 | 1 | 5 | 5 | 5 | 2 | 8 | 3 | 2 | 7 | 22 | 2 | 0 | 0 |
Aug 7 – Aug 10, 2015
500 Likely Voters - Republican
|
9 | 2 | 1 | 12 | 1 | 10 | 5 | 2 | 1 | 7 | 2 | 3 | 7 | 17 | 0 | 0 | 0 |
Aug 7 – Aug 9, 2015
619 Likely Voters - Republican
|
12 | 6 | 2 | 12 | 2 | 6 | 11 | 3 | 2 | 9 | 1 | 3 | 10 | 19 | 0 | 0 | 0 |
Jul 29 – Jul 29, 2015
277 Likely Voters - Republican
|
5 | 6 | 2 | 15 | 3 | 3 | 10 | 1 | 7 | 6 | 1 | 5 | 4 | 31 | 1 | 1 | |
Jul 14 – Jul 21, 2015
342 Likely Voters - Republican
|
8 | 7 | 3 | 19 | 0 | 4 | 12 | 5 | 1 | 4 | 2 | 2 | 1 | 17 | 1 | 0 | 0 |
Jul 16 – Jul 19, 2015
452 Likely Voters - Republican
|
8 | 6 | 3 | 22 | 3 | 5 | 7 | 5 | 4 | 7 | 1 | 2 | 3 | 13 | 0 | 1 | 0 |
Jun 27 – Jun 29, 2015
997 Likely Voters - Republican
|
5 | 10 | 4 | 18 | 4 | 9 | 12 | 10 | 2 | 8 | 5 | 1 | 3 | 7 | 0 | 0 | |
Jun 20 – Jun 29, 2015
666 Likely Voters - Republican
|
10 | 5 | 4 | 18 | 4 | 7 | 8 | 9 | 3 | 9 | 1 | 2 | 3 | 10 | 1 | 0 | |
Jun 8 – Jun 10, 2015
1,235 Likely Voters - Republican
|
13 | 8 | 7 | 19 | 2 | 9 | 11 | 5 | 2 | 6 | 3 | 2 | 3 | 2 | 2 | 1 | |
May 31 – Jun 8, 2015
265 Registered Voters - Republican
|
5 | 10 | 18 | 7 | 10 | 10 | 4 | 6 | 2 | 5 | |||||||
May 25 – May 29, 2015
402 Likely Voters - Republican
|
10 | 9 | 3 | 17 | 6 | 6 | 9 | 10 | 1 | 5 | 4 | 2 | 2 | 4 | 1 | 0 | |
Apr 25 – May 4, 2015
667 Likely Voters - Republican
|
7 | 11 | 3 | 21 | 2 | 13 | 5 | 13 | 1 | 12 | 3 | 2 | 2 | 0 | |||
Apr 23 – Apr 26, 2015
462 Likely Voters - Republican
|
7 | 10 | 4 | 23 | 13 | 12 | 10 | 8 | 5 | ||||||||
Apr 21 – Apr 23, 2015
509 Likely Voters - Republican
|
6 | 9 | 3 | 13 | 4 | 10 | 10 | 6 | 1 | 7 | 5 | 1 | 1 | 3 | 0 | ||
Apr 9 – Apr 15, 2015
400 Likely Voters - Republican
|
8 | 11 | 2 | 20 | 4 | 6 | 7 | 10 | 1 | 9 | 2 | 1 | 2 | 0 | |||
Apr 13 – Apr 13, 2015
388 Likely Voters - Republican
|
9 | 8 | 13 | 2 | 12 | 16 | 9 | 6 | 5 | 3 | |||||||
Mar 20 – Mar 20, 2015
552 Likely Voters - Republican
|
14 | 11 | 29 | 5 | 12 | 5 | 7 | 5 | 3 | ||||||||
Feb 16 – Feb 23, 2015
623 Likely Voters - Republican
|
11 | 11 | 3 | 25 | 4 | 4 | 10 | 13 | 2 | 5 | 4 | 0 | |||||
Feb 12 – Feb 13, 2015
343 Likely Voters - Republican
|
5 | 7 | 24 | 6 | 7 | 10 | 10 | 4 | 9 | 3 | |||||||
Feb 3 – Feb 10, 2015
321 Likely Voters - Republican
|
6 | 17 | 4 | 15 | 5 | 6 | 16 | 7 | 2 | 9 | 1 | ||||||
Jan 26 – Jan 29, 2015
402 Likely Voters - Republican
|
10 | 13 | 3 | 16 | 5 | 4 | 9 | 15 | 2 | 6 | 6 | 1 | 1 | 1 | |||
Jan 21 – Jan 26, 2015
316 Likely Voters - Republican
|
13 | 14 | 3 | 10 | 4 | 4 | 13 | 7 | 2 | 5 | 5 | 1 | 1 | 1 | |||
Jan 5 – Jan 7, 2015
404 Registered Voters - Republican
|
9 | 10 | 4 | 14 | 8 | 7 | 5 |