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

| County | Kerry__1 | Kerry__2 | Bush__3 | Bush__4 | Others__5 | Others__6 |
|---|---|---|---|---|---|---|
| Adams | 32.6% | 13764 | 66.9% | 28247 | 0.5% | 217 |
| Allegheny | 57.2% | 368912 | 42.1% | 271925 | 0.7% | 4632 |
| Armstrong | 38.7% | 12025 | 60.9% | 18925 | 0.5% | 147 |
| Beaver | 51.1% | 42146 | 48.4% | 39916 | 0.6% | 481 |
| Bedford | 26.5% | 6016 | 73.2% | 16606 | 0.3% | 57 |
| Berks | 46.4% | 76309 | 53.0% | 87122 | 0.6% | 1056 |
| Blair | 33.4% | 18105 | 66.0% | 35751 | 0.6% | 322 |
| Bradford | 33.5% | 8590 | 66.0% | 16942 | 0.5% | 120 |
| Bucks | 51.1% | 163438 | 48.3% | 154469 | 0.6% | 1909 |
| Butler | 35.2% | 30090 | 64.3% | 54959 | 0.4% | 376 |
| Cambria | 48.7% | 32591 | 50.8% | 34048 | 0.5% | 344 |
| Cameron | 33.0% | 794 | 66.5% | 1599 | 0.5% | 13 |
| Carbon | 48.8% | 12223 | 50.0% | 12519 | 1.2% | 301 |
| Centre | 47.8% | 30733 | 51.6% | 33133 | 0.6% | 387 |