IncumbentKen Blankenbush Republican
General election
- Dennis Gordon Democrat
//www.informnny.com/election/your-local-election/st-lawrence-county-dems-unveil-endorsed-candidates-slate/ |website=InformNNY |title=St. Lawrence County Dems unveil endorsed candidates slate |last=Mount |first=Dan |date=2026-02-27 |access-date=2026-05-16}}
- Tammy Nabywaniec Republican
chief of staff to Ken Blankenbush
Democratic primary
//www.informnny.com/election/your-local-election/st-lawrence-county-dems-unveil-endorsed-candidates-slate/ |website=InformNNY |title=St. Lawrence County Dems unveil endorsed candidates slate |last=Mount |first=Dan |date=2026-02-27 |access-date=2026-05-16}}
Republican primary
chief of staff to Ken Blankenbush