| Candidate | Votes | % |
|---|---|---|
| Joe Donnelly * (D) | 187,328 | 67% |
| Luke Puckett (R) | 84,410 | 30% |
| Mark Vogel (Lib.) | 7,469 | 3% |
Key: * Incumbent | 
Winner
Precincts: 100% | Updated: 7:03 PM ET | Source: AP
WinnerPrecincts: 100% | Updated: 7:03 PM ET | Source: AP
| Candidate | Votes | % |
|---|---|---|
| Joe Donnelly * (D) | 187,328 | 67% |
| Luke Puckett (R) | 84,410 | 30% |
| Mark Vogel (Lib.) | 7,469 | 3% |
Winner