CalledUnofficial results
South Dakota Legislative District 34
South Dakota House of Representatives · South Dakota
Mike Derby and Becky J Drury won the district's 2 seats.
Two representatives per district
Mike DerbyRepublican · winner · incumbent
38.3%5,453
Becky J DruryRepublican · winner
34.7%4,941
Victor Diego DominquezDemocrat
27.1%3,858
14,252 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.
Victor Diego DominquezMike Derby
$758
Raised by the campaign
$88.4K
$614
Spent by the campaign
$84.7K
$144
Cash on hand
$9.5K
Other candidates' campaigns: Becky J Drury $44.5K.
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.
- Victor Diego Dominquez
- 2%
- Mike Derby
- 98%
- Projected margin
- R+19.0