| President Republican - District 16 | 100.% ( 339 of 339 ) 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) | 3,522 | 10.7 % |   |
| | Duncan Hunter (Rep) | 106 | 0.3 % |   |
| | Alan Keyes (Rep) | 135 | 0.4 % |   |
| | Sam Brownback (Rep) | 33 | 0.0 % |   |
| | John H. Cox (Rep) | 57 | 0.1 % |   |
| | Rudy Giuliani (Rep) | 2,001 | 6.1 % |   |
| | John McCain (Rep) | 16,637 | 50.2 % |   |
| | Ron Paul (Rep) | 1,521 | 4.6 % |   |
| | Mitt Romney (Rep) | 8,378 | 25.3 % |   |
| | Tom Tancredo (Rep) | 50 | 0.1 % |   |
| | Fred Thompson (Rep) | 703 | 2.2 % |   |
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