2026 Primary — District Map

Legislative primary results for all 35 Senate and 37 House districts · 49 contested primaries. Hover a district for results; click for the full race. The House view splits districts 26 and 28 into their single-member subdistricts.

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Primary winner marginGOPDemNo primary

Boundaries: U.S. Census TIGER/Line 2024 legislative districts (public domain). Results: South Dakota Secretary of State, official canvass. In a one-party state the Republican primary is usually the decisive contest; districts with no primary (candidates unopposed within their party) advance straight to the November general.