| President Republican | 100.% ( 24 of 24 ) precincts reporting as of Mar 4, 2008, at 9:49 a.m. County Returns Other Contests | | Trinity County Results | |
| |
| | Mike Huckabee (Rep) | 330 | 20.5 % |   | 328,387 | 11.6 % |   |
| | Duncan Hunter (Rep) | 5 | 0.3 % |   | 13,682 | 0.4 % |   |
| | Alan Keyes (Rep) | 5 | 0.3 % |   | 11,362 | 0.4 % |   |
| | Sam Brownback (Rep) | 0 | 0.0 % |   | 2,426 | 0.0 % |   |
| | John H. Cox (Rep) | 0 | 0.0 % |   | 3,101 | 0.1 % |   |
| | Rudy Giuliani (Rep) | 61 | 3.8 % |   | 126,415 | 4.5 % |   |
| | John McCain (Rep) | 691 | 42.8 % |   | 1,197,757 | 42.3 % |   |
| | Ron Paul (Rep) | 80 | 5.0 % |   | 120,374 | 4.3 % |   |
| | Mitt Romney (Rep) | 400 | 24.8 % |   | 980,969 | 34.6 % |   |
| | Tom Tancredo (Rep) | 3 | 0.1 % |   | 3,810 | 0.1 % |   |
| | Fred Thompson (Rep) | 40 | 2.4 % |   | 49,318 | 1.7 % |   |
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