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

| County | Kerry__1 | Kerry__2 | Bush__3 | Bush__4 | Others__5 | Others__6 |
|---|---|---|---|---|---|---|
| Montrose | 29.4% | 4776 | 69.2% | 11218 | 1.4% | 225 |
| Morgan | 30.6% | 3039 | 68.3% | 6787 | 1.1% | 110 |
| Otero | 38.7% | 3164 | 60.5% | 4947 | 0.8% | 69 |
| Ouray | 47.0% | 1278 | 51.5% | 1402 | 1.5% | 41 |
| Park | 41.2% | 3445 | 57.2% | 4781 | 1.6% | 131 |
| Phillips | 25.0% | 582 | 73.8% | 1717 | 1.1% | 26 |
| Pitkin | 68.4% | 6335 | 30.1% | 2784 | 1.5% | 137 |
| Prowers | 27.6% | 1308 | 71.5% | 3392 | 0.9% | 45 |
| Pueblo | 52.6% | 35369 | 46.3% | 31117 | 1.0% | 701 |
| Rio Blanco | 18.8% | 566 | 80.0% | 2403 | 1.1% | 34 |
| Rio Grande | 36.3% | 2006 | 62.4% | 3448 | 1.3% | 72 |
| Routt | 54.3% | 6392 | 44.2% | 5199 | 1.5% | 171 |
| Saguache | 56.9% | 1594 | 41.5% | 1163 | 1.6% | 46 |
| San Juan | 52.1% | 253 | 44.4% | 216 | 3.5% | 17 |