Dr. Matt Heinz took an early lead against Victoria Steele. Heinz will now face incumbent Rep. Martha McSally in the General Election.
U.S. Representative in Congress – District No. 2 (DEM)
| Candidate (DEM) | Votes | Percent |
| HEINZ, MATT | 24,138 | 53.2% |
| STEELE, VICTORIA | 21,250 | 46.8% |
U.S. Representative in Congress – District No. 2 (REP)
| Candidate (REP) | Votes | Percent |
| McSALLY, MARTHA | 47,184 | 100.00% |