United States presidential election in Illinois, 2004 By county By county

| County | Kerry__1 | Kerry__2 | Bush__3 | Bush__4 | Others__5 | Others__6 |
|---|---|---|---|---|---|---|
| Gallatin | 48.8% | 1573 | 50.2% | 1619 | 1.0% | 33 |
| Greene | 40.5% | 2457 | 58.7% | 3559 | 0.9% | 52 |
| Grundy | 42.7% | 8463 | 56.5% | 11198 | 0.9% | 170 |
| Hamilton | 40.2% | 1814 | 58.8% | 2653 | 1.0% | 47 |
| Hancock | 40.2% | 3975 | 59.0% | 5837 | 0.9% | 87 |
| Hardin | 37.9% | 923 | 61.6% | 1501 | 0.5% | 13 |
| Henderson | 54.6% | 2269 | 44.7% | 1857 | 0.7% | 27 |
| Henry | 47.1% | 11877 | 52.3% | 13212 | 0.6% | 152 |
| Iroquois | 27.7% | 3832 | 71.7% | 9914 | 0.6% | 89 |
| Jackson | 55.4% | 14300 | 43.3% | 11190 | 1.3% | 336 |
| Jasper | 33.4% | 1781 | 66.1% | 3529 | 0.5% | 26 |
| Jefferson | 39.6% | 6713 | 59.9% | 10160 | 0.4% | 75 |
| Jersey | 45.3% | 4597 | 53.6% | 5435 | 1.0% | 105 |
| Jo Daviess | 45.8% | 5311 | 53.3% | 6174 | 0.9% | 99 |
| Johnson | 30.9% | 1813 | 68.2% | 3997 | 0.9% | 55 |