United States presidential election in Louisiana, 2008 By By

| Parish | Obama__1 | Obama__2 | McCain__3 | McCain__4 |
|---|---|---|---|---|
| Rapides | 35.46% | 20109 | 64.54% | 36605 |
| Red River | 45.57% | 2080 | 54.43% | 2484 |
| Richland | 36.54% | 3311 | 63.46% | 5751 |
| Sabine | 23.70% | 2245 | 76.30% | 7226 |
| St. Bernard | 26.58% | 3491 | 73.42% | 9642 |
| St. Charles | 34.11% | 8519 | 65.89% | 16456 |
| St. Helena | 58.58% | 3567 | 41.42% | 2522 |
| St. James | 56.28% | 6993 | 43.72% | 5432 |
| St. John | 58.23% | 12420 | 41.77% | 8908 |
| St. Landry | 48.35% | 20267 | 51.65% | 21647 |
| St. Martin | 39.47% | 9419 | 60.53% | 14443 |
| St. Mary | 41.48% | 9342 | 58.52% | 13181 |
| St. Tammany | 22.84% | 24589 | 77.16% | 83047 |
| Tangipahoa | 34.33% | 16427 | 65.67% | 31421 |
| Tensas | 54.63% | 1646 | 45.37% | 1367 |
| Terrebonne | 29.10% | 11579 | 70.90% | 28208 |
| Union | 28.94% | 3103 | 71.06% | 7619 |
| Verm | 25.73% | 6261 | 74.27% | 18069 |
| Vernon | 22.83% | 3534 | 77.17% | 11946 |