| President Republican - District 13 | 100.% ( 482 of 482 ) precincts reporting as of Mar 4, 2008, at 9:49 a.m. County Returns Other Contests | | Districtwide Results | |
| |
| | Mike Huckabee (Rep) | 3,052 | 10.6 % |   |
| | Duncan Hunter (Rep) | 63 | 0.2 % |   |
| | Alan Keyes (Rep) | 93 | 0.3 % |   |
| | Sam Brownback (Rep) | 36 | 0.1 % |   |
| | John H. Cox (Rep) | 39 | 0.1 % |   |
| | Rudy Giuliani (Rep) | 1,424 | 4.9 % |   |
| | John McCain (Rep) | 14,508 | 50.0 % |   |
| | Ron Paul (Rep) | 1,238 | 4.2 % |   |
| | Mitt Romney (Rep) | 7,950 | 27.4 % |   |
| | Tom Tancredo (Rep) | 39 | 0.1 % |   |
| | Fred Thompson (Rep) | 615 | 2.1 % |   |
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