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

| County | Obama__1 | Obama__2 | McCain__3 | McCain__4 | Others__5 | Others__6 | Total |
|---|---|---|---|---|---|---|---|
| Medina | 45.2% | 40924 | 53.3% | 48189 | 1.5% | 1338 | 90451 |
| Meigs | 39.5% | 4094 | 58.1% | 6015 | 2.4% | 245 | 10354 |
| Mercer | 27.5% | 5853 | 71.0% | 15100 | 1.5% | 318 | 21271 |
| Miami | 34.8% | 18372 | 63.3% | 33417 | 1.9% | 1018 | 52807 |
| Monroe | 53.1% | 3705 | 43.9% | 3066 | 3.0% | 211 | 6982 |
| Montgomery | 52.5% | 145997 | 46.3% | 128679 | 1.3% | 3535 | 278211 |
| Morgan | 44.9% | 2966 | 52.1% | 3440 | 3.1% | 202 | 6608 |
| Morrow | 37.1% | 6177 | 60.5% | 10067 | 2.4% | 399 | 16643 |
| Muskingum | 45.4% | 17730 | 52.6% | 20549 | 2.0% | 792 | 39071 |
| Noble | 40.1% | 2474 | 55.9% | 3450 | 4.0% | 248 | 6172 |
| Ottawa | 52.2% | 12049 | 46.0% | 10618 | 1.7% | 402 | 23069 |
| Paulding | 42.6% | 4165 | 54.4% | 5317 | 2.9% | 287 | 9769 |
| Perry | 47.1% | 7261 | 50.1% | 7721 | 2.7% | 422 | 15404 |