99chambers

2026 general · November 3, 2026

2026 South Dakota election results

Every race on South Dakota's ballot in the 2026 general election: winners, margins and seats that changed party.

← 2024 general

Races79
Changed party1
Unopposed37%29 races
Incumbents defeated3

U.S. Senate

R 1

RaceWinnerWon byNotes
South DakotaMike Rounds (R)21.0

Governors

R 1

RaceWinnerWon byNotes
South DakotaLarry Rhoden (R)27.0

Statewide offices

R 4

RaceWinnerWon byNotes
South Dakota Attorney GeneralLance Russell (R)Unopposed
South Dakota AuditorCatherine Barranco (R)25.1
South Dakota Secretary of StateHeather Baxter (R)22.3
South Dakota TreasurerMelissa Hull (R)24.9

U.S. House

R 1

RaceWinnerWon byNotes
SD-ALMarty Jackley (R)28.0

South Dakota State Senate

D 2 · R 32 · Uncalled 1 · 1 changed party

RaceWinnerWon byNotes
LD-1Michael Rohl (R)Unopposed
LD-2John Sjaarda (R)Unopposed
LD-3Katherine "Katie" Washnok (R)Unopposed
LD-4Stephanie Sauder (R)Unopposed
LD-5Glen Vilhauer (R)Unopposed
LD-6Ernie Otten (R)Unopposed
LD-7Tim Reed (R)Unopposed
LD-8Casey Crabtree (R)19.6
LD-9Joy Hohn (R)Unopposed
LD-10Liz Larson (D)25.3
LD-11Counting—Incumbent lost
LD-12Kari Shanard-Koenders (R)1.7
LD-13Sue Peterson (R)Unopposed
LD-14Larry Zikmund (R)Unopposed
LD-15Erik Muckey (D)26.6
LD-16Kevin Jensen (R)Unopposed
LD-17Sydney Davis (R)Unopposed
LD-18Lauren Nelson (R)15.3
LD-19Kyle Schoenfish (R)55.8
LD-20Paul Miskimins (R)Unopposed
LD-21MyKala Voita (R)51.6
LD-22Brandon R. Wipf (R)Unopposed
LD-23Mark Lapka (R)Unopposed
LD-24Jim Mehlhaff (R)Unopposed
LD-25Bart Sample (R)15.9
LD-26Rebecca Reimer (R)8.1
LD-27Anthony Kathol (R)4.4Flipped
LD-28Sam Marty (R)Unopposed
LD-29William J. Meirose (R)Unopposed
LD-30Amber Hulse (R)Unopposed
LD-31Randy Deibert (R)Unopposed
LD-32Helene Duhamel (R)4.8
LD-33David Johnson (R)30.2
LD-34Taffy Howard (R)4.6
LD-35Greg Blanc (R)Unopposed

South Dakota House of Representatives

D 10 · R 59 · Other 1

RaceWinnerWon byNotes
LD-1Daniel Kjos · Nick Fosness (R)12.8
LD-2Adam Long · Manuel Luschas (R)7.0
LD-3Spencer Sommers · Timothy Hanigan (R)1.2
LD-4Ryan Kohl · Fred Deutsch (R)19.6
LD-5Matt Roby · Byron I. Callies (R)11.4
LD-6Jerry Jongeling · Elliott Neff (R)8.6
LD-7Mellissa Heermann · Roger DeGroot (R)7.5
LD-8Jon Nelson · Todd Wilkinson (R)Unopposed
LD-9Tesa Schwans · Megan Tschetter (R)1.2
LD-10Kathleen Brudvig · Adam Bair (D)6.8
LD-11Sonja Mentzer · Brian Mulder (DEM)0.9Incumbent lost
LD-12Stephanie Arne · Amber Arlint (DEM)6.6
LD-13Jack Kolbeck · Ali Rae Horsted (REP)1.9Incumbent lost
LD-14Taylor Rehfeldt · Erinn Williams (REP)3.9
LD-15Kadyn Wittman · June CopperStad (D)10.4
LD-16Lisa Bogue · John Shubeck (R)10.6
LD-17Chris Kassin · Troy Redler (R)2.4
LD-18Mike Stevens · John R. Marquardt (R)5.8
LD-19Jessica Bahmuller · Drew Peterson (R)25.7
LD-20Jeff Bathke · Terry Sabers (R)Unopposed
LD-21Jim Halverson · Marty Overweg (R)Unopposed
LD-22Lana Greenfield · Kevin Van Diepen (R)16.5
LD-23Spencer Gosch · Dick Werner (R)22.2
LD-24Mike Weisgram · Laurie Gill (R)Unopposed
LD-25Carrie Sanderson · Nick Buchholz (R)Unopposed
LD-26AEric Emery (D)29.0
LD-26BAngi Hanzlik (R)36.6
LD-27Liz May · Evangeline Poor Bear (REP)1.8
LD-28AJana Hunt (R)17.1
LD-28BTravis Ismay (R)Unopposed
LD-29Gary Cammack · Gary Deering (R)Unopposed
LD-30Trish Ladner · Tim Goodwin (R)20.7
LD-31Scott Odenbach · Mary Fitzgerald (R)13.2
LD-32Nicole Uhre-Balk · Steve Duffy (DEM)3.5
LD-33Curt Massie · Phil Jensen (R)10.6
LD-34Mike Derby · Becky Drury (R)7.6
LD-35Jason Fleming · Dale Bartscher (R)8.2

South Dakota

Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)