United States Senate election in Arizona, 2004 By county By county

| County | Starky__1 | Starky__2 | Hancock__3 | Hancock__4 | McCain__5 | McCain__6 | Total |
|---|---|---|---|---|---|---|---|
| Apache | 9588 | 40.95% | 905 | 3.86% | 12923 | 55.19% | 23416 |
| Cochise | 9555 | 21.80% | 1394 | 3.18% | 32879 | 75.02% | 43828 |
| Coconino | 13520 | 26.58% | 1504 | 2.96% | 35849 | 70.47% | 50873 |
| Gila | 4291 | 20.96% | 632 | 3.09% | 15551 | 75.95% | 20474 |
| Graham | 2000 | 19.06% | 322 | 3.07% | 8171 | 77.87% | 10493 |
| Greenlee | 746 | 25.03% | 68 | 2.28% | 2166 | 72.68% | 2980 |
| La Paz | 965 | 19.51% | 156 | 3.15% | 3826 | 77.34% | 4947 |
| Maricopa | 216124 | 18.58% | 29769 | 2.56% | 917527 | 78.86% | 1163420 |
| Mohave | 10423 | 18.44% | 1686 | 2.98% | 44402 | 78.57% | 56511 |
| Navajo | 7434 | 23.42% | 1222 | 3.85% | 23091 | 72.73% | 31747 |
| Pima | 89483 | 25.17% | 7980 | 2.24% | 258010 | 72.58% | 355473 |
| Pinal | 13595 | 21.45% | 1692 | 2.67% | 48094 | 75.88% | 63381 |