United States presidential election in Arizona, 2008 By county By county

| County | McCain__1 | McCain__2 | Obama__3 | Obama__4 | Barr__5 | Barr__6 | Nader__7 | Nader__8 | McKinney__9 | McKinney__10 | Others__11 | Others__12 | Total_ballots | Total_eligible_registration | Voter_turnout |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache | 8551 | 34.3% | 15390 | 61.8% | 111 | 0.4% | 109 | 0.4% | 75 | 0.3% | 26 | 0.1% | 24907 | 41425 | 60.13% |
| Cochise | 29026 | 58.8% | 18943 | 38.4% | 371 | 0.8% | 356 | 0.7% | 90 | 0.2% | 34 | 0.1% | 49390 | 70715 | 69.84% |
| Coconino | 22186 | 40.4% | 31433 | 57.3% | 267 | 0.5% | 309 | 0.6% | 117 | 0.2% | 32 | 0.1% | 54861 | 69855 | 78.54% |
| Gila | 14095 | 62.0% | 7884 | 34.7% | 150 | 0.7% | 156 | 0.7% | 31 | 0.1% | 17 | 0.1% | 22717 | 31132 | 72.97% |
| Graham | 8376 | 68.8% | 3487 | 28.7% | 60 | 0.5% | 56 | 0.5% | 23 | 0.2% | 5 | 0.0% | 12170 | 17282 | 70.42% |
| Greenlee | 1712 | 57.7% | 1165 | 39.3% | 16 | 0.5% | 17 | 0.6% | 3 | 0.1% | 0 | 0.0% | 2968 | 4337 | 68.43% |