Unofficial results from the 2018 primary election held May 8 and as reported by Polk County Board of Elections.
Precincts reporting: 7 of 7
Ballots cast: 3,006 of 15,826 (18.99%)
| US House of Representatives District 10 – GOP | Votes | Pct. |
| Jeff Gregory | 133 | 9.45% |
| Patrick McHenry | 932 | 66.24% |
| Ira Roberts | 68 | 4.83% |
| Albert Lee Wiley Jr. | 10 | 0.71% |
| Seth Blankenship | 74 | 5.26% |
| Gina Collias | 190 | 13.50% |
| NC State Senate District – Dem. | Votes | Pct. |
| Christopher H. Rumfelt | 98 | 7.30% |
| Cheryl D. Swofford | 524 | 39.05% |
| David Wheeler | 720 | 53.65% |
| District Attorney District 42 – GOP | Votes | Pct. |
| Mary Ann J. Hollocker | 419 | 30.06% |
| Greg Newman | 975 | 69.94% |
| Polk County Sheriff – Dem | Votes | Pct. |
| Ronnie Smith | 341 | 23.07% |
| BJ Bayne | 1137 | 76.93% |
| Polk County Sheriff – GOP | Votes | Pct. |
| Tim Wright | 747 | 51.34% |
| M. Darryl Bailey | 708 | 48.66% |