Power flows from
The People of South Dakota
Legislative
Makes the laws
105Members
Senate
Upper chamber · 35 seats
Michael Rohl
Steve Kolbeck
Carl Perry
Stephanie Sauder
Glen Vilhauer
Ernie Otten
Tim Reed
Casey Crabtree
Joy Hohn
Liz Larson
Chris Karr
Arch Beal
Sue Peterson
Larry Zikmund
Jamie Smith
Kevin Jensen
Sydney Davis
Lauren Nelson
Kyle Schoenfish
Paul Miskimins
MyKala Voita
Brandon Wipf
Mark Lapka
Jim Mehlhaff
Tom Pischke
Tamara Grove
Red Dawn Foster
Sam Marty
John Carley
Amber Hulse
Randy Deibert
Helene Duhamel
Curt Voight
Taffy Howard
Greg Blanc
House
Lower chamber · 70 seats
Nick Fosness
Logan Manhart
David Kull
John Sjaarda
Al Novstrup
Brandei Schaefbauer
Dylan Jordan
Kent Roe
Josephine Garcia
Matt Roby
Aaron Aylward
Tim Czmowski
Roger DeGroot
Mellissa Heermann
Tim Reisch
Tim Walburg
Tesa Schwans
Bethany Soye
Bobbi Andera
Erin Healy
Brian Mulder
Keri Weems
Amber Arlint
Greg Jamison
John Hughes
Jack Kolbeck
Tony Kayser
Taylor Rehfeldt
Erik Muckey
Kadyn Wittman
Karla Lems
John Shubeck
Chris Kassin
William Shorma
Julie Auch
Mike Stevens
Jessica Bahmuller
Drew Peterson
Jeff Bathke
Kaley Nolz
Jim Halverson
Marty Overweg
Lana Greenfield
Kevin Van Diepen
Spencer Gosch
Scott Moore
Will Mortenson
Mike Weisgram
Jon Hansen
Les Heinemann
Eric Emery
Rebecca Reimer
Liz May
Peri Pourier
Jana Hunt
Travis Ismay
Terri Jorgenson
Kathy Rice
Tim Goodwin
Trish Ladner
Mary Fitzgerald
Scott Odenbach
Steve Duffy
Nicole Uhre-Balk
Phil Jensen
Curt Massie
Heather Baxter
Mike Derby
Tina Mulally
Tony Randolph
Executive
Enforces the laws
1Official
Governor
Kristi Noem
1 of 1 entries reflect the last-known officeholder. Current-term data pending a scheduled refresh.
Judicial
Interprets the laws
5Justices
South Dakota Supreme Court · 5 seats
Chief Justice
Steven R. Jensen
Associate justice roster (4 additional seats) coming in a later data pass.
Legislative roster from the OpenStates people project (CC0, refreshed periodically). Population aggregated from US Census ACS per-district data. Executive + judicial rosters are curated snapshots — verify against the state's official site before citing as current. Last refreshed 2026-04-15.