(values are in percent)
| Date | John McCain |
Mike Huckabee |
Mitt Romney |
Rudy Giuliani |
Ron Paul |
| 03/03/2008 | 62 | 21 | -- | -- | 5 |
| 03/02/2008 | 64 | 19 | -- | -- | 5 |
| 03/01/2008 | 63 | 22 | -- | -- | 4 |
| 02/29/2008 | 62 | 24 | -- | -- | 3 |
| 02/28/2008 | 60 | 26 | -- | -- | 3 |
| 02/27/2008 | 61 | 24 | -- | -- | 3 |
| 02/26/2008 | 63 | 22 | -- | -- | 4 |
| 02/25/2008 | 64 | 20 | -- | -- | 5 |
| 02/24/2008 | 63 | 21 | -- | -- | 6 |
| 02/23/2008 | 65 | 20 | -- | -- | 6 |
| 02/22/2008 | 63 | 20 | -- | -- | 6 |
| 02/20/2008 | 62 | 22 | -- | -- | 5 |
| 02/19/2008 | 58 | 24 | -- | -- | 5 |
| 02/18/2008 | 54 | 26 | -- | -- | 6 |
| 02/17/2008 | 54 | 26 | -- | -- | 6 |
| 02/16/2008 | 53 | 29 | -- | -- | 6 |
| 02/15/2008 | 54 | 28 | -- | -- | 5 |
| 02/14/2008 | 53 | 28 | -- | -- | 5 |
| 02/13/2008 | 51 | 29 | -- | -- | 5 |
| 02/12/2008 | 51 | 29 | -- | -- | 6 |
| 02/11/2008 | 52 | 28 | -- | -- | 5 |
| 02/10/2008 | 56 | 25 | -- | -- | 6 |
| 02/09/2008 | 57 | 23 | -- | -- | 5 |
| 02/08/2008 | 53 | 21 | 10 | -- | 5 |
| 02/07/2008 | 46 | 19 | 18 | -- | 5 |
| 02/06/2008 | 40 | 21 | 26 | -- | 3 |
| 02/05/2008 | 41 | 21 | 25 | -- | 4 |
| 02/04/2008 | 41 | 21 | 24 | -- | 4 |
| 02/03/2008 | 45 | 17 | 25 | -- | 4 |
| 02/02/2008 | 43 | 18 | 24 | -- | 4 |
| 02/01/2008 | 44 | 16 | 24 | -- | 5 |
| 01/31/2008 | 39 | 17 | 24 | 3 | 5 |
| 01/30/2008 | 37 | 17 | 22 | 7 | 4 |
| 01/29/2008 | 32 | 18 | 21 | 11 | 4 |
| 01/28/2008 | 31 | 17 | 19 | 13 | 4 |
| 01/27/2008 | 29 | 18 | 21 | 13 | 5 |
| 01/26/2008 | 31 | 18 | 21 | 12 | 5 |
| 01/25/2008 | 30 | 20 | 20 | 13 | 5 |
| 01/24/2008 | 31 | 20 | 19 | 14 | 5 |