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 |
|---|---|---|---|---|---|---|---|
| Pickaway | 38.3% | 9077 | 60.0% | 14228 | 1.8% | 421 | 23726 |
| Pike | 48.2% | 6033 | 49.3% | 6162 | 2.5% | 311 | 12506 |
| Portage | 53.5% | 41856 | 44.5% | 34822 | 2.0% | 1528 | 78206 |
| Preble | 33.3% | 6999 | 64.6% | 13562 | 2.1% | 441 | 21002 |
| Putnam | 28.3% | 5281 | 70.0% | 13072 | 1.8% | 327 | 18680 |
| Richland | 42.1% | 25727 | 55.7% | 34034 | 2.2% | 1361 | 61122 |
| Ross | 45.4% | 14455 | 52.6% | 16759 | 2.0% | 626 | 31840 |
| Sandusky | 51.4% | 15601 | 46.7% | 14190 | 1.9% | 582 | 30373 |
| Scioto | 45.8% | 14926 | 52.2% | 16994 | 2.0% | 651 | 32571 |
| Seneca | 47.7% | 13087 | 50.4% | 13823 | 2.0% | 539 | 27449 |
| Shelby | 30.9% | 7317 | 67.3% | 15924 | 1.8% | 427 | 23668 |
| Stark | 51.7% | 96990 | 46.3% | 86743 | 2.0% | 3812 | 187545 |
| Summit | 57.6% | 155105 | 41.1% | 110499 | 1.3% | 3455 | 269059 |