2026 South Dakota Senate election – District 24Nov 3, 2026IncumbentJim Mehlhaff RepublicanGeneral electionNovember 3, 2026Jim Mehlhaff Republicanincumbent senatorDemocrat Nominee TBDPrimariesDistrict 24 election, Republican primaryUnofficialResults 6,122 votes✓Jim Mehlhaff Incumbent55.4% 3,391incumbent senatorBrian Joseph Murphy29.0% 1,773Mark James Nelson15.7% 958
