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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yavapai | 61192 | 60.6% | 36889 | 36.6% | 638 | 0.6% | 638 | 0.6% | 185 | 0.2% | 106 | 0.1% | 100904 | 118923 | 84.85% |
| Yuma | 24577 | 55.5% | 18559 | 41.9% | 205 | 0.5% | 177 | 0.4% | 72 | 0.2% | 25 | 0.1% | 44256 | 67315 | 65.74% |
| Total | 1230111 | 53.0% | 1034707 | 44.6% | 12555 | 0.5% | 11301 | 0.5% | 3406 | 0.1% | 1395 | 0.1% | 2230851 | 2987451 | 77.69% |