CalledUnofficial results
South Dakota Legislative District 13
South Dakota State Senate · South Dakota
Sue Peterson won without an opponent on the ballot.
Sue PetersonRepublican · winner · incumbent
100.0%6,449
Sue Peterson won without an opponent on the ballot.6,449 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.
No DemocratSue Peterson
—
Raised by the campaign
$67.9K
—
Spent by the campaign
$80.4K
—
Cash on hand
$12.6K
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 Sue Peterson without simulating it.
How the forecast works →