| President Republican - District 19 | 100.% ( 592 of 592 ) 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) | 12,914 | 15.5 % |   |
| | Duncan Hunter (Rep) | 162 | 0.1 % |   |
| | Alan Keyes (Rep) | 428 | 0.5 % |   |
| | Sam Brownback (Rep) | 57 | 0.0 % |   |
| | John H. Cox (Rep) | 58 | 0.0 % |   |
| | Rudy Giuliani (Rep) | 3,902 | 4.7 % |   |
| | John McCain (Rep) | 32,087 | 38.3 % |   |
| | Ron Paul (Rep) | 2,523 | 3.1 % |   |
| | Mitt Romney (Rep) | 29,848 | 35.7 % |   |
| | Tom Tancredo (Rep) | 53 | 0.0 % |   |
| | Fred Thompson (Rep) | 1,806 | 2.1 % |   |
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