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

| County | Kerry__1 | Kerry__2 | Bush__3 | Bush__4 | Others__5 | Others__6 |
|---|---|---|---|---|---|---|
| Chester | 47.5% | 109708 | 52.0% | 120036 | 0.5% | 1079 |
| Clarion | 35.2% | 6049 | 64.4% | 11063 | 0.4% | 72 |
| Clearfield | 39.5% | 13518 | 60.0% | 20533 | 0.5% | 182 |
| Clinton | 41.7% | 5823 | 57.5% | 8035 | 0.8% | 109 |
| Columbia | 39.7% | 10679 | 59.7% | 16052 | 0.5% | 138 |
| Crawford | 41.8% | 16013 | 57.3% | 21965 | 0.9% | 344 |
| Cumberland | 35.8% | 37928 | 63.8% | 67648 | 0.5% | 506 |
| Dauphin | 45.6% | 55299 | 53.9% | 65296 | 0.5% | 613 |
| Delaware | 57.1% | 162601 | 42.3% | 120425 | 0.5% | 1512 |
| Elk | 45.4% | 6602 | 54.1% | 7872 | 0.5% | 76 |
| Erie | 53.9% | 67921 | 45.6% | 57372 | 0.5% | 605 |
| Fayette | 53.2% | 29120 | 45.8% | 25045 | 1.0% | 542 |
| Forest | 38.4% | 989 | 61.1% | 1571 | 0.5% | 13 |
| Franklin | 28.3% | 16562 | 71.4% | 41817 | 0.3% | 190 |
| Fulton | 23.5% | 1475 | 76.1% | 4772 | 0.4% | 24 |