The Ballot Brief
South Dakota
Candidate profile

Mark Lapka

Republican · South Dakota · 2026 · Incumbent

On the ballot

South Dakota Senate District 23South Dakota · 2026Brown County sample ballot
Top priorities
  • Focus on data centers and state budgeting
  • Increase government transparency
  • Address school funding in the district

Per the South Dakota Public Broadcasting.

Biography

Mark Lapka is the incumbent state senator for South Dakota Senate District 23, per the South Dakota Legislature's official roster. He is a farmer and rancher who was elected to the Senate in 2024 and has served as vice chair of the Senate Appropriations Committee, per South Dakota Public Broadcasting. No campaign website was found as of September 20, 2026.

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How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified September 25, 2026. Official sources are the final word on who appears on your ballot.

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