South Dakota State Senate District 23 (unopposed)

Current seat holder: Mark Lapka (R).

Mark Lapka

Mark Lapka Lapka ( Republican Party ) is running for re-election to the South Dakota State Senate to represent District 23. The Republican primary for this office on June 2, 2026, was canceled. Mark Lapka's career experience includes working as a farmer/rancher.

“Should eminent domain be a tool in my toolbelt used to enrich myself for my own wellbeing?” (South Dakota Searchlight)
“What we have the opportunity here today to do is to leave it better than when we got it.” (South Dakota Searchlight)