| President Republican - District 5 | 100.% ( 553 of 553 ) precincts reporting as of Mar 4, 2008, at 9:49 a.m. County Returns Other Contests | | Districtwide Results | |
| |
| | Mike Huckabee (Rep) | 3,641 | 10.3 % |   |
| | Duncan Hunter (Rep) | 65 | 0.1 % |   |
| | Alan Keyes (Rep) | 133 | 0.4 % |   |
| | Sam Brownback (Rep) | 30 | 0.0 % |   |
| | John H. Cox (Rep) | 26 | 0.0 % |   |
| | Rudy Giuliani (Rep) | 1,701 | 4.8 % |   |
| | John McCain (Rep) | 15,671 | 44.2 % |   |
| | Ron Paul (Rep) | 1,704 | 4.9 % |   |
| | Mitt Romney (Rep) | 11,926 | 33.7 % |   |
| | Tom Tancredo (Rep) | 31 | 0.0 % |   |
| | Fred Thompson (Rep) | 557 | 1.6 % |   |
|   |
|