| County | Candidate | Party | Votes | Vote share | Expected votes counted (%) |
|---|---|---|---|---|---|
| Apache | Kamala Harris | Democrat (incumbent) | 18,872 | 58.9% | 100% |
| Apache | Donald Trump wins | Republican | 12,795 | 40.0% | 100% |
| Apache | Chase Oliver | Libertarian | 192 | 0.6% | 100% |
| Apache | Jill Stein | Green | 160 | 0.5% | 100% |
| Apache | Write-ins | Write - In | 4 | 0.0% | 100% |
| Cochise | Donald Trump wins | Republican | 35,936 | 61.0% | 100% |
| Cochise | Kamala Harris | Democrat (incumbent) | 22,296 | 37.8% | 100% |
| Cochise | Chase Oliver | Libertarian | 380 | 0.6% | 100% |
| Cochise | Jill Stein | Green | 311 | 0.5% | 100% |
| Cochise | Write-ins | Write - In | 12 | 0.0% | 100% |
| Coconino | Kamala Harris | Democrat (incumbent) | 41,504 | 59.2% | 100% |
| Coconino | Donald Trump wins | Republican | 27,576 | 39.3% | 100% |
| Coconino | Chase Oliver | Libertarian | 508 | 0.7% | 100% |
| Coconino | Jill Stein | Green | 479 | 0.7% | 100% |
| Coconino | Write-ins | Write - In | 29 | 0.0% | 100% |
| Gila | Donald Trump wins | Republican | 18,901 | 68.4% | 100% |
| Gila | Kamala Harris | Democrat (incumbent) | 8,504 | 30.8% | 100% |
| Gila | Chase Oliver | Libertarian | 138 | 0.5% | 100% |
| Gila | Jill Stein | Green | 105 | 0.4% | 100% |
| Gila | Write-ins | Write - In | 0 | 0.0% | 100% |
| Graham | Donald Trump wins | Republican | 11,177 | 73.6% | 100% |
| Graham | Kamala Harris | Democrat (incumbent) | 3,867 | 25.5% | 100% |
| Graham | Chase Oliver | Libertarian | 87 | 0.6% | 100% |
| Graham | Jill Stein | Green | 52 | 0.3% | 100% |
| Graham | Write-ins | Write - In | 0 | 0.0% | 100% |
| Greenlee | Donald Trump wins | Republican | 2,308 | 69.8% | 100% |
| Greenlee | Kamala Harris | Democrat (incumbent) | 954 | 28.8% | 100% |
| Greenlee | Chase Oliver | Libertarian | 27 | 0.8% | 100% |
| Greenlee | Jill Stein | Green | 19 | 0.6% | 100% |
| Greenlee | Write-ins | Write - In | 0 | 0.0% | 100% |
| La Paz | Donald Trump wins | Republican | 5,470 | 71.7% | 100% |
| La Paz | Kamala Harris | Democrat (incumbent) | 2,101 | 27.6% | 100% |
| La Paz | Chase Oliver | Libertarian | 28 | 0.4% | 100% |
| La Paz | Jill Stein | Green | 25 | 0.3% | 100% |
| La Paz | Write-ins | Write - In | 2 | 0.0% | 100% |
| Maricopa | Donald Trump wins | Republican | 1,051,531 | 51.2% | 100% |
| Maricopa | Kamala Harris | Democrat (incumbent) | 980,016 | 47.7% | 100% |
| Maricopa | Jill Stein | Green | 11,661 | 0.6% | 100% |
| Maricopa | Chase Oliver | Libertarian | 10,737 | 0.5% | 100% |
| Maricopa | Write-ins | Write - In | 470 | 0.0% | 100% |
| Mohave | Donald Trump wins | Republican | 85,683 | 77.6% | 100% |
| Mohave | Kamala Harris | Democrat (incumbent) | 24,081 | 21.8% | 100% |
| Mohave | Chase Oliver | Libertarian | 401 | 0.4% | 100% |
| Mohave | Jill Stein | Green | 285 | 0.3% | 100% |
| Mohave | Write-ins | Write - In | 7 | 0.0% | 100% |
| Navajo | Donald Trump wins | Republican | 29,480 | 58.1% | 100% |
| Navajo | Kamala Harris | Democrat (incumbent) | 20,754 | 40.9% | 100% |
| Navajo | Chase Oliver | Libertarian | 275 | 0.5% | 100% |
| Navajo | Jill Stein | Green | 197 | 0.4% | 100% |
| Navajo | Write-ins | Write - In | 12 | 0.0% | 100% |
| Pima | Kamala Harris | Democrat (incumbent) | 292,450 | 57.0% | 100% |
| Pima | Donald Trump wins | Republican | 214,669 | 41.8% | 100% |
| Pima | Jill Stein | Green | 3,209 | 0.6% | 100% |
| Pima | Chase Oliver | Libertarian | 2,848 | 0.6% | 100% |
| Pima | Write-ins | Write - In | 258 | 0.1% | 100% |
| Pinal | Donald Trump wins | Republican | 126,926 | 60.6% | 100% |
| Pinal | Kamala Harris | Democrat (incumbent) | 80,656 | 38.5% | 100% |
| Pinal | Chase Oliver | Libertarian | 1,084 | 0.5% | 100% |
| Pinal | Jill Stein | Green | 886 | 0.4% | 100% |
| Pinal | Write-ins | Write - In | 13 | 0.0% | 100% |
| Santa Cruz | Kamala Harris | Democrat (incumbent) | 11,265 | 58.9% | 100% |
| Santa Cruz | Donald Trump wins | Republican | 7,699 | 40.2% | 100% |
| Santa Cruz | Chase Oliver | Libertarian | 81 | 0.4% | 100% |
| Santa Cruz | Jill Stein | Green | 76 | 0.4% | 100% |
| Santa Cruz | Write-ins | Write - In | 7 | 0.0% | 100% |
| Yavapai | Donald Trump wins | Republican | 99,346 | 66.5% | 100% |
| Yavapai | Kamala Harris | Democrat (incumbent) | 48,717 | 32.6% | 100% |
| Yavapai | Chase Oliver | Libertarian | 784 | 0.5% | 100% |
| Yavapai | Jill Stein | Green | 555 | 0.4% | 100% |
| Yavapai | Write-ins | Write - In | 24 | 0.0% | 100% |
| Yuma | Donald Trump wins | Republican | 40,745 | 59.7% | 100% |
| Yuma | Kamala Harris | Democrat (incumbent) | 26,823 | 39.3% | 100% |
| Yuma | Chase Oliver | Libertarian | 328 | 0.5% | 100% |
| Yuma | Jill Stein | Green | 299 | 0.4% | 100% |
| Yuma | Write-ins | Write - In | 4 | 0.0% | 100% |