| U. S. Senator -- Democratic Party All 51 precincts reporting Click here for Results by Precinct | |||
| Neeson J. Chauvin, Jr. (D) | 18.35% | 232 | |
| Cary J. Deaton (D) | 15.59% | 197 | |
| "Charlie" Melancon (D) | 66.06% | 835 | |
| U. S. Senator -- Libertarian Party All 51 precincts reporting Click here for Results by Precinct | |||
| Anthony Gentile (L) | 7.14% | 1 | |
| Randall Todd Hayes (L) | 92.86% | 13 | |
| U. S. Senator -- Republican Party All 51 precincts reporting Click here for Results by Precinct | |||
| Nick J. Accardo (R) | 2.84% | 23 | |
| Chet D. Traylor (R) | 4.32% | 35 | |
| David Vitter (R) | 92.85% | 753 | |
| U. S. Representative -- 4th Congressional District-Democratic Party All 51 precincts reporting Click here for Results by Precinct | |||
| Steven Jude Gavi (D) | 15.37% | 180 | |
| David Melville (D) | 84.63% | 991 | |