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

| County | Kerry__1 | Kerry__2 | Bush__3 | Bush__4 | Others__5 | Others__6 |
|---|---|---|---|---|---|---|
| Tazewell | 41.4% | 25814 | 57.8% | 36058 | 0.7% | 466 |
| Union | 41.0% | 3735 | 58.5% | 5333 | 0.6% | 51 |
| Vermilion | 43.7% | 14726 | 55.6% | 18731 | 0.8% | 257 |
| Wabash | 29.2% | 1752 | 70.1% | 4212 | 0.7% | 42 |
| Warren | 46.6% | 3938 | 52.9% | 4474 | 0.5% | 45 |
| Washington | 36.8% | 2986 | 62.6% | 5072 | 0.6% | 46 |
| Wayne | 25.8% | 2139 | 73.6% | 6102 | 0.6% | 46 |
| White | 37.0% | 3071 | 62.4% | 5180 | 0.6% | 50 |
| Whiteside | 51.1% | 13723 | 48.2% | 12959 | 0.7% | 191 |
| Will | 46.9% | 115625 | 52.4% | 129098 | 0.7% | 1686 |
| Williamson | 39.0% | 11685 | 60.4% | 18086 | 0.6% | 189 |
| Winnebago | 49.2% | 59740 | 50.1% | 60782 | 0.7% | 903 |