| President Republican - District 4 | 100.% ( 693 of 693 ) precincts reporting as of Mar 4, 2008, at 9:49 a.m. County Returns Other Contests | | Districtwide Results | |
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| | Mike Huckabee (Rep) | 15,245 | 11.8 % |   |
| | Duncan Hunter (Rep) | 321 | 0.2 % |   |
| | Alan Keyes (Rep) | 434 | 0.3 % |   |
| | Sam Brownback (Rep) | 39 | 0.0 % |   |
| | John H. Cox (Rep) | 71 | 0.0 % |   |
| | Rudy Giuliani (Rep) | 6,235 | 4.9 % |   |
| | John McCain (Rep) | 50,015 | 38.7 % |   |
| | Ron Paul (Rep) | 5,201 | 4.0 % |   |
| | Mitt Romney (Rep) | 49,188 | 38.1 % |   |
| | Tom Tancredo (Rep) | 80 | 0.0 % |   |
| | Fred Thompson (Rep) | 2,612 | 2.0 % |   |
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