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 |
|---|---|---|---|---|---|---|---|
| Huron | 47.2% | 12076 | 50.4% | 12884 | 2.4% | 622 | 25582 |
| Jackson | 38.6% | 5397 | 58.7% | 8219 | 2.7% | 377 | 13993 |
| Jefferson | 49.1% | 17635 | 48.9% | 17559 | 2.1% | 745 | 35939 |
| Knox | 39.0% | 11014 | 58.9% | 16640 | 2.0% | 577 | 28231 |
| Lake | 49.6% | 60155 | 48.7% | 59142 | 1.7% | 2038 | 121335 |
| Lawrence | 41.4% | 11262 | 56.7% | 15415 | 1.9% | 517 | 27194 |
| Licking | 41.2% | 33896 | 57.0% | 46886 | 1.8% | 1501 | 82283 |
| Logan | 35.7% | 7936 | 62.3% | 13848 | 1.9% | 433 | 22217 |
| Lorain | 58.1% | 85276 | 40.2% | 59068 | 1.7% | 2515 | 146859 |
| Lucas | 65.0% | 142852 | 33.5% | 73706 | 1.5% | 3273 | 219831 |
| Madison | 37.4% | 6532 | 60.8% | 10603 | 1.8% | 316 | 17451 |
| Mahoning | 62.2% | 79173 | 35.6% | 45319 | 2.1% | 2711 | 127203 |
| Marion | 44.4% | 12870 | 53.3% | 15454 | 2.4% | 693 | 29017 |