The Ballot Brief
South Dakota
Candidate profile

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Mark Lapka

Republican · South Dakota · 2026 · Incumbent

Running for South Dakota Senate District 23, South Dakota

Top priorities

From other published sources

  • Focus on data centers and state budgeting, per South Dakota Public Broadcasting
  • Increase government transparency, per South Dakota Public Broadcasting
  • Address school funding in the district, per 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.

On the ballot

South Dakota Senate District 23South Dakota · 2026Brown County sample ballot

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Voting info and more

Voting info and more
How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 24, 2026. Official sources are the final word on who appears on your ballot.

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