CalledUnofficial results
South Dakota Legislative District 12
South Dakota House of Representatives · South Dakota
Stephanie Arne and Amber Arlint won the district's 2 seats.
Two representatives per district
Stephanie ArneDemocrat · winner
36.3%4,270
Amber ArlintRepublican · winner · incumbent
35.1%4,126
Kerry LoudenslagerRepublican
28.5%3,351
11,747 votes
Source: South Dakota Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:22 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Stephanie ArneAmber Arlint
$23.8K
Raised by the campaign
$79.9K
$6.4K
Spent by the campaign
$57.9K
$17.4K
Cash on hand
$47.5K
Other candidates' campaigns: Kerry Loudenslager $6.3K.
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.
- Stephanie Arne
- 43%
- Amber Arlint
- 57%
- Projected margin
- R+1.4