Poll Chart

2016 Iowa Republican Presidential Caucus

Currently tracking 96 polls from 33 pollsters
Updated 10 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

Click a choice to show or hide it on the chart.

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
Kasich
Cruz
Christie
Jindal
Fiorina
Trump
Graham
Pataki
Gilmore
Jan 29 – Jan 31, 2016
298 Likely Voters - Republican
3 5 1 22 4 3 4 26 3 2 27
Jan 25 – Jan 31, 2016
890 Likely Voters - Republican
8 3 1 17 4 4 2 24 1 2 31
Jan 29 – Jan 30, 2016
887 Likely Voters - Republican
9 4 2 19 5 9 4 19 3 4 20
Jan 26 – Jan 29, 2016
602 Likely Voters - Republican
10 2 2 15 2 5 2 23 3 2 28
Jan 26 – Jan 27, 2016
724 Likely Voters - Republican
7 2 1 13 6 2 4 27 3 3 31
Jan 26 – Jan 27, 2016
780 Likely Voters - Republican
9 4 1 14 4 4 2 23 2 3 31 1
Jan 24 – Jan 26, 2016
450 Likely Voters - Republican
8 2 18 4 2 2 25 2 2 32
Jan 23 – Jan 26, 2016
500 Likely Voters - Republican
10 3 1 16 4 3 3 23 2 2 30 0
ARG
Jan 21 – Jan 24, 2016
400 Likely Voters - Republican
7 2 1 11 3 4 3 26 4 1 33 0
Jan 18 – Jan 24, 2016
651 Likely Voters - Republican
7 2 0 13 4 5 1 29 3 1 31
Jan 5 – Jan 22, 2016
185 Likely Voters - Republican
13 4 1 12 4 7 1 26 1 1 19
Jan 18 – Jan 21, 2016
492 Likely Voters - Republican
5 0 1 13 1 3 1 34 2 1 39 0
FOX
Jan 18 – Jan 21, 2016
378 Likely Voters - Republican
7 2 2 12 4 6 2 23 4 1 34 0
Jan 18 – Jan 20, 2016
271 Likely Voters - Republican
9 2 14 5 3 3 23 5 2 33
CNN
Jan 15 – Jan 20, 2016
266 Likely Voters - Republican
6 3 1 14 3 2 1 26 1 1 37
Jan 18 – Jan 19, 2016
687 Likely Voters - Republican
11 4 1 9 7 3 3 27 4 3 25 1
Jan 13 – Jan 18, 2016
500 Likely Voters - Republican
8 3 1 13 6 3 4 25 3 2 26
Jan 11 – Jan 12, 2016
422 Likely Voters - Republican
9 2 0 5 4 3 4 28 5 1 34
Jan 8 – Jan 10, 2016
530 Likely Voters - Republican
8 3 2 13 6 3 3 26 3 3 28 0
Jan 7 – Jan 10, 2016
500 Likely Voters - Republican
11 3 1 12 4 5 2 25 3 2 22 0
ARG
Jan 6 – Jan 10, 2016
600 Likely Voters - Republican
8 2 2 10 3 4 3 25 6 1 29
Jan 5 – Jan 10, 2016
602 Likely Voters - Republican
7 3 1 15 3 2 2 29 4 1 31
Jan 4 – Jan 8, 2016
504 Likely Voters - Republican
6 2 1 12 5 4 3 31 4 3 24 0
FOX
Jan 4 – Jan 7, 2016
504 Likely Voters - Republican
9 2 1 15 7 5 1 27 4 1 23
Jan 2 – Jan 7, 2016
456 Likely Voters - Republican
11 2 13 4 5 2 28 3 3 24
Dec 18 – Dec 21, 2015
440 Likely Voters - Republican
7 4 0 9 4 1 2 31 3 3 31 1 1
Dec 14 – Dec 17, 2015
534 Likely Voters - Republican
6 2 1 12 2 2 1 40 1 2 31 0 0 0
Dec 10 – Dec 13, 2015
522 Likely Voters - Republican
10 3 1 14 7 2 2 25 3 3 28 1 0 0
Dec 4 – Dec 13, 2015
874 Likely Voters - Republican
10 1 0 14 5 4 1 27 3 3 28 0 0
Dec 7 – Dec 10, 2015
499 Likely Voters - Republican
11 2 1 11 6 2 1 30 0 3 23 0
FOX
Dec 7 – Dec 10, 2015
450 Likely Voters - Republican
10 1 0 13 5 5 1 28 2 2 26 0 1 0
Dec 7 – Dec 10, 2015
400 Likely Voters - Republican
13 3 1 10 6 3 2 31 3 1 21 0 0 0
Dec 3 – Dec 6, 2015
425 Likely Voters - Republican
13 2 1 17 6 4 3 24 2 3 19 0 0 0
CNN
Nov 28 – Dec 6, 2015
552 Likely Voters - Republican
16 2 1 11 4 3 1 20 2 3 33 0 0 0
Nov 16 – Nov 22, 2015
600 Likely Voters - Republican
18 2 2 13 4 5 1 23 2 3 25 0 0
Nov 15 – Nov 19, 2015
657 Likely Voters - Republican
19 1 2 11 5 2 1 21 2 2 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 1 9 0 2 15 0
CNN
Oct 29 – Nov 4, 2015
548 Likely Voters - Republican
23 2 0 13 5 2 2 11 3 4 4 25 2 0 0
Oct 30 – Nov 1, 2015
638 Likely Voters - Republican
21 6 2 10 5 2 2 14 3 6 5 22 0 0 0
Oct 31 – Oct 31, 2015
356 Likely Voters - Republican
22 1 0 18 6 2 3 9 2 2 5 29 0
Oct 29 – Oct 31, 2015
874 Likely Voters - Republican
28 2 1 10 9 2 2 15 2 1 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 1 6 2 5 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 2 5 1 10 16
Sep 23 – Sep 30, 2015
431 Registered Voters - Republican
19 5 1 6 7 4 3 6 4 6 8 24 1 0 0
Sep 25 – Sep 27, 2015
454 Likely Voters - Republican
14 2 1 9 7 2 3 11 1 2 10 19 2 0
Sep 18 – Sep 20, 2015
488 Likely Voters - Republican
17 6 5 1 8 6 4 2 8 1 4 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 5 9 1 2 5 27 1 0
Aug 26 – Sep 2, 2015
390 Registered Voters - Republican
22 3 0 5 1 4 6 5 2 4 2 4 5 29 0 0 0
Aug 29 – Aug 31, 2015
507 Likely Voters - Republican
16 3 1 6 1 6 4 1 1 7 2 5 5 32 0 0
Aug 27 – Aug 30, 2015
405 Likely Voters - Republican
23 2 1 7 2 4 5 3 4 9 1 1 10 23 0 0 0
Aug 24 – Aug 27, 2015
502 Likely Voters - Republican
18 4 1 6 1 4 10 2 3 7 2 1 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
CNN
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 3 7 2 1 7 17 0 0 0
Aug 7 – Aug 9, 2015
619 Likely Voters - Republican
12 6 2 12 2 6 11 3 3 9 1 2 10 19 0 0 0
Jul 29 – Jul 29, 2015
277 Likely Voters - Republican
5 6 2 15 3 3 10 1 5 6 1 7 4 31 1 1
Jul 14 – Jul 21, 2015
342 Likely Voters - Republican
8 7 3 19 0 4 12 5 2 4 2 1 1 17 1 0 0
Jul 16 – Jul 19, 2015
452 Likely Voters - Republican
8 6 3 22 3 5 7 5 2 7 1 4 3 13 0 1 0
Jun 27 – Jun 29, 2015
997 Likely Voters - Republican
5 10 4 18 4 9 12 10 1 8 5 2 3 7 0 0
Jun 20 – Jun 29, 2015
666 Likely Voters - Republican
10 5 4 18 4 7 8 9 2 9 1 3 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 2 5 4 1 2 4 1 0
Apr 25 – May 4, 2015
667 Likely Voters - Republican
7 11 3 21 2 13 5 13 2 12 3 1 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 9 2 1 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 0 5 4 2
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 1 6 6 2 1 1
Jan 21 – Jan 26, 2015
316 Likely Voters - Republican
13 14 3 10 4 4 13 7 1 5 5 2 1 1
Jan 5 – Jan 7, 2015
404 Registered Voters - Republican
9 10 4 14 8 7 5

More Charts

2016 National Republican Primary

56% Donald Trump

23% Ted Cruz

2016 National Democratic Primary

54% Hillary Clinton

39% Bernie Sanders

2016 General Election: Bush vs. Clinton

51% Hillary Clinton

45% Jeb Bush