CalledUnofficial results

South Dakota Legislative District 7

South Dakota House of Representatives · South Dakota

Mellissa Heermann and Roger DeGroot won the district's 2 seats.

Two representatives per district

Mellissa HeermannRepublican · winner · incumbent
37.1%4,699
Roger DeGrootRepublican · winner · incumbent
35.2%4,457
27.7%3,509
12,665 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

EvenR+13.12022 HouseR+23.22024 HouseR+11.92026 House

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)

Money in this race

Each line compares the two campaigns on one scale.

Blake StevensMellissa Heermann
$2.6K
Raised by the campaign
$32.9K
$3.3K
Spent by the campaign
$29.7K
$822
Cash on hand
$12.1K

Other candidates' campaigns: Roger DeGroot $25.2K.

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.

Blake Stevens
30%
Mellissa Heermann
70%
Projected margin
R+3.7
How the forecast works →