CalledUnofficial results
South Dakota Legislative District 15
South Dakota State Senate · South Dakota
Erik Muckey held the seat for Democrats, winning by 26.6 points over Brenda Lawrence.
Erik MuckeyDemocrat · winner
63.3%3,292
Brenda LawrenceRepublican
36.7%1,909
5,201 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.
Erik MuckeyBrenda Lawrence
$49.7K
Raised by the campaign
$3.5K
$55.4K
Spent by the campaign
$3.1K
$7.6K
Cash on hand
$1.1K
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.
- Erik Muckey
- 97%
- Brenda Lawrence
- 3%
- Projected margin
- D+14.2