United States presidential election in Louisiana, 2008 By By

| Parish | Obama__1 | Obama__2 | McCain__3 | McCain__4 |
|---|---|---|---|---|
| Acadia | 26.77% | 7028 | 73.23% | 19228 |
| Allen | 31.34% | 2891 | 68.66% | 6333 |
| Ascension | 31.89% | 14620 | 68.11% | 31225 |
| Assumption | 44.30% | 4756 | 55.70% | 5981 |
| Avoyelles | 38.20% | 6327 | 61.80% | 10234 |
| Beauregard | 22.27% | 3071 | 77.73% | 10718 |
| Bienville | 48.73% | 3589 | 51.27% | 3776 |
| Bossier | 27.97% | 12701 | 72.03% | 32706 |
| Caddo | 51.45% | 55220 | 48.55% | 52105 |
| Calcasieu | 37.48% | 30227 | 62.52% | 50431 |
| Caldwell | 23.22% | 1118 | 76.78% | 3696 |
| Cameron | 16.56% | 613 | 83.44% | 3089 |
| Catahoula | 32.24% | 1659 | 67.76% | 3486 |
| Claiborne | 44.65% | 3025 | 55.35% | 3750 |
| Concordia | 39.92% | 3766 | 60.08% | 5668 |
| De Soto | 43.23% | 5241 | 56.77% | 6882 |
| East Baton Rouge | 51.06% | 99431 | 48.94% | 95297 |
| East Carroll | 64.39% | 2267 | 35.61% | 1254 |
| East Feliciana | 44.66% | 4383 | 55.34% | 5431 |