| President Republican - District 28 | 100.% ( 256 of 256 ) precincts reporting as of Mar 4, 2008, at 9:49 a.m. County Returns Other Contests | | Districtwide Results | |
| |
| | Mike Huckabee (Rep) | 1,541 | 7.3 % |   |
| | Duncan Hunter (Rep) | 106 | 0.4 % |   |
| | Alan Keyes (Rep) | 196 | 0.9 % |   |
| | Sam Brownback (Rep) | 45 | 0.2 % |   |
| | John H. Cox (Rep) | 99 | 0.4 % |   |
| | Rudy Giuliani (Rep) | 883 | 4.2 % |   |
| | John McCain (Rep) | 9,563 | 45.0 % |   |
| | Ron Paul (Rep) | 1,198 | 5.7 % |   |
| | Mitt Romney (Rep) | 7,393 | 34.8 % |   |
| | Tom Tancredo (Rep) | 40 | 0.1 % |   |
| | Fred Thompson (Rep) | 200 | 1.0 % |   |
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