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

| County | Kerry__1 | Kerry__2 | Bush__3 | Bush__4 | Others__5 | Others__6 |
|---|---|---|---|---|---|---|
| Coles | 42.0% | 9566 | 57.1% | 13015 | 0.9% | 199 |
| Cook | 70.2% | 1439724 | 29.1% | 597405 | 0.6% | 12305 |
| Crawford | 34.2% | 3194 | 65.2% | 6083 | 0.6% | 55 |
| Cumberland | 34.4% | 1862 | 64.6% | 3497 | 1.1% | 57 |
| DeKalb | 47.3% | 19263 | 51.7% | 21095 | 1.0% | 410 |
| De Witt | 36.4% | 2836 | 63.1% | 4920 | 0.5% | 42 |
| Douglas | 32.4% | 2767 | 66.8% | 5702 | 0.8% | 71 |
| DuPage | 44.8% | 180097 | 54.4% | 218902 | 0.9% | 3447 |
| Edgar | 36.7% | 3093 | 62.4% | 5258 | 0.9% | 78 |
| Edwards | 27.6% | 930 | 71.7% | 2412 | 0.7% | 22 |
| Effingham | 27.0% | 4388 | 72.3% | 11774 | 0.7% | 116 |
| Fayette | 37.4% | 3571 | 61.6% | 5880 | 1.0% | 98 |
| Ford | 29.5% | 1912 | 69.6% | 4511 | 0.9% | 56 |
| Franklin | 45.6% | 8816 | 53.7% | 10388 | 0.8% | 148 |
| Fulton | 53.3% | 9080 | 45.9% | 7818 | 0.8% | 137 |