CalledUnofficial results
South Dakota Legislative District 23
South Dakota State Senate · South Dakota
Mark Lapka won without an opponent on the ballot.
Mark LapkaRepublican · winner · incumbent
100.0%6,267
Mark Lapka won without an opponent on the ballot.6,267 votes
Source: South Dakota Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:22 PM ET
Money in this race
Each line compares the two campaigns on one scale.
No DemocratMark Lapka
—
Raised by the campaign
$1.5K
—
Spent by the campaign
$3.5K
—
Cash on hand
$6.7K
Campaign money: South Dakota Secretary of State, through Oct 20, 2026.
Source: South Dakota Secretary of State campaign filingsUpdated Oct 20, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
No Democrat was on the ballot, so the model gave the seat to Mark Lapka without simulating it.
How the forecast works →