U.S. Senator
Mary Landrieu (Democrat) won with 51.7% of the vote.
Mary Landrieu DemocratElected
51.7% 638,654 votes
Suzanne Haik Terrell RepublicanDefeated
48.3% 596,642 votes
Who got the most votes in each parish, and their share
| Under 50% | 50 to 60% | Over 60% | |
|---|---|---|---|
| Mary Landrieu | |||
| Suzanne Haik Terrell |
1,235,296 votes cast.
Results by parish
| Parish | Mary Landrieu | Suzanne Haik Terrell | Turnout |
|---|---|---|---|
| Acadia Parish | 46.7%7,195 | 53.3%8,214 | |
| Allen Parish | 58.6%3,111 | 41.4%2,201 | |
| Ascension Parish | 50.0%11,327 | 50.0%11,336 | |
| Assumption Parish | 67.3%4,966 | 32.7%2,414 | |
| Avoyelles Parish | 56.9%6,464 | 43.1%4,897 | |
| Beauregard Parish | 41.4%3,276 | 58.6%4,638 | |
| Bienville Parish | 59.2%3,075 | 40.8%2,120 | |
| Bossier Parish | 41.1%10,477 | 58.9%15,005 | |
| Caddo Parish | 56.1%39,669 | 43.9%31,073 | |
| Calcasieu Parish | 53.5%25,918 | 46.5%22,546 | |
| Caldwell Parish | 43.1%1,237 | 56.9%1,635 | |
| Cameron Parish | 50.0%1,279 | 50.0%1,277 | |
| Catahoula Parish | 53.2%1,600 | 46.8%1,410 | |
| Claiborne Parish | 53.1%2,351 | 46.9%2,074 | |
| Concordia Parish | 53.4%2,853 | 46.6%2,491 | |
| De Soto Parish | 56.4%4,292 | 43.6%3,318 | |
| East Baton Rouge Parish | 50.9%63,418 | 49.1%61,229 | |
| East Carroll Parish | 62.9%1,360 | 37.1%801 | |
| East Feliciana Parish | 55.1%3,645 | 44.9%2,976 | |
| Evangeline Parish | 51.0%4,740 | 49.0%4,563 | |
| Franklin Parish | 45.3%2,604 | 54.7%3,150 | |
| Grant Parish | 39.9%1,775 | 60.1%2,677 | |
| Iberia Parish | 44.4%8,215 | 55.6%10,274 | |
| Iberville Parish | 68.3%7,390 | 31.7%3,431 | |
| Jackson Parish | 49.1%2,691 | 50.9%2,786 | |
| Jefferson Davis Parish | 52.5%4,179 | 47.5%3,780 | |
| Jefferson Parish | 44.3%56,085 | 55.7%70,473 | |
| Lafayette Parish | 40.9%21,144 | 59.1%30,568 | |
| Lafourche Parish | 54.9%12,838 | 45.1%10,557 | |
| LaSalle Parish | 33.1%1,253 | 66.9%2,530 | |
| Lincoln Parish | 45.6%5,305 | 54.4%6,327 | |
| Livingston Parish | 35.6%9,321 | 64.4%16,897 | |
| Madison Parish | 56.9%1,759 | 43.1%1,333 | |
| Morehouse Parish | 50.2%4,009 | 49.8%3,974 | |
| Natchitoches Parish | 54.4%5,399 | 45.6%4,517 | |
| Orleans Parish | 79.7%105,780 | 20.3%26,880 | |
| Ouachita Parish | 41.5%17,330 | 58.5%24,450 | |
| Plaquemines Parish | 49.2%3,653 | 50.8%3,774 | |
| Pointe Coupee Parish | 62.4%4,977 | 37.6%2,998 | |
| Rapides Parish | 46.0%15,346 | 54.0%17,983 | |
| Red River Parish | 61.6%2,032 | 38.4%1,269 | |
| Richland Parish | 44.3%2,680 | 55.7%3,368 | |
| Sabine Parish | 39.9%2,282 | 60.1%3,438 | |
| St. Bernard Parish | 46.9%8,931 | 53.1%10,101 | |
| St. Charles Parish | 47.7%7,174 | 52.3%7,874 | |
| St. Helena Parish | 67.7%2,714 | 32.3%1,292 | |
| St. James Parish | 68.1%5,353 | 31.9%2,512 | |
| St. John the Baptist Parish | 60.3%7,502 | 39.7%4,944 | |
| St. Landry Parish | 57.7%13,165 | 42.3%9,648 | |
| St. Martin Parish | 55.7%7,545 | 44.3%6,005 | |
| St. Mary Parish | 49.9%6,745 | 50.1%6,762 | |
| St. Tammany Parish | 31.9%19,650 | 68.1%41,995 | |
| Tangipahoa Parish | 45.8%10,868 | 54.2%12,841 | |
| Tensas Parish | 60.0%1,270 | 40.0%847 | |
| Terrebonne Parish | 48.9%11,655 | 51.1%12,167 | |
| Union Parish | 39.4%2,714 | 60.6%4,181 | |
| Vermilion Parish | 51.1%7,358 | 48.9%7,042 | |
| Vernon Parish | 45.9%3,901 | 54.1%4,591 | |
| Washington Parish | 53.5%6,208 | 46.5%5,401 | |
| Webster Parish | 51.3%6,055 | 48.7%5,746 | |
| West Baton Rouge Parish | 58.1%4,187 | 41.9%3,025 | |
| West Carroll Parish | 35.9%1,135 | 64.1%2,028 | |
| West Feliciana Parish | 55.7%2,186 | 44.3%1,741 | |
| Winn Parish | 47.6%2,038 | 52.4%2,247 |