South Dakota 2026 Regular Session Status: Passed Senate 10 R cosponsors

SJR 502 — applying to the United States Congress under Article V of the United States Constitution to call for a convention proposing an amendment to the constitution fixing the number of justices of the United States Supreme Court at one chief justice and eight associate justices.

Last action — State Affairs Deferred to the 41st legislative day , Passed, YEAS 12, NAYS 0

  1. ✓
    Introduced
  2. ✓
    In Committee
  3. 3
    Passed Senate
  4. 4
    Passed House
  5. 5
    To Executive
  6. 6
    Enacted

This bill has passed the Senate. Introduced January 13, 2026. It now moves to the second chamber.

Next likely step: consideration and a floor vote in the House.

Odds of enactment

Moderate chance

Based on the sponsor, cosponsors, and committee posture, this bill has a moderate chance of becoming law.

Upgrade to see the exact probability and what's driving it.

A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Advancing 42% · moderate confidence
  • Passed Senate

    Current position in the legislative process.

  • 10 sponsors

    10 primary, 0 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (10 R).

  • Mixed recorded votes

    3 passed, 1 failed in recorded votes so far.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Bill Text

  • Introduced View text Current pdf December 19, 2025

Action History

  1. State Affairs Deferred to the 41st legislative day , Passed, YEAS 12, NAYS 0

  2. State Affairs Do Pass , Passed, YEAS 4, NAYS 8

  3. Scheduled for hearing

  4. Referred to House State Affairs H.J. 166

  5. First Reading House H.J. 150

  6. Senate Do Pass , Passed, YEAS 24, NAYS 10 S.J. 115

  7. State Affairs Do Pass , Passed, YEAS 8, NAYS 1 S.J. 5

  8. Scheduled for hearing

  9. First read in Senate and referred to Senate State Affairs S.J. 15

Sponsors

Sponsorship breakdown

Export CSV (upgrade) →

10 sponsors · 0 co-sponsors · 95 not signed on · 18 voted No

Sponsors (10)

Co-sponsors (0)

None.

Not signed on (95)

95 members have not signed on to this bill.

Show all 95 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Votes

Do Pass

Failed 4 Yea · 8 Nay · 1 Other
Party YeaNayPresentNot Voting
Republican 3701
Democratic 1100
Total 4801
% of votes cast 31%62%0%8%
How each member voted (13)
Member Party Vote
Eric Emery Democratic Yea
Erin Healy Democratic Nay
Brandei Schaefbauer Republican Nay
Greg Jamison Republican Yea
Jessica Bahmuller Republican Nay
Jon Hansen Republican Nay
Karla Lems Republican Nay
Leslie Heinemann Republican Yea
Liz May Republican Yea
Marty Overweg Republican Nay
Scott Odenbach Republican Nay
Spencer Gosch Republican Nay
Tim Reisch Republican Not Voting

Official roll call →

Passed 12 Yea · 0 Nay · 1 Other
Party YeaNayPresentNot Voting
Republican 10001
Democratic 2000
Total 12001
% of votes cast 92%0%0%8%
How each member voted (13)
Member Party Vote
Eric Emery Democratic Yea
Erin Healy Democratic Yea
Brandei Schaefbauer Republican Yea
Greg Jamison Republican Yea
Jessica Bahmuller Republican Yea
Jon Hansen Republican Yea
Karla Lems Republican Yea
Leslie Heinemann Republican Yea
Liz May Republican Yea
Marty Overweg Republican Yea
Scott Odenbach Republican Yea
Spencer Gosch Republican Yea
Tim Reisch Republican Not Voting

Official roll call →

Do Pass

Passed 24 Yea · 10 Nay · 1 Other
Party YeaNayPresentNot Voting
Republican 23701
Democratic 0300
Unaffiliated 1000
Total 241001
% of votes cast 69%29%0%3%
How each member voted (35)
Member Party Vote
Otten — Yea
Jamie Smith Democratic Nay
Liz Larson Democratic Nay
Red Dawn Foster Democratic Nay
Amber Hulse Republican Yea
Arch Beal Republican Not Voting
Brandon Wipf Republican Yea
Carl Perry Republican Yea
Casey Crabtree Republican Yea
Chris Karr Republican Yea
Curt Voight Republican Yea
Glen Vilhauer Republican Yea
Greg Blanc Republican Yea
Helene Duhamel Republican Nay
Jim Mehlhaff Republican Yea
John Carley Republican Nay
Joy Hohn Republican Nay
Kevin Jensen Republican Yea
Kyle Schoenfish Republican Yea
Larry Zikmund Republican Yea
Lauren Nelson Republican Nay
Mark Lapka Republican Nay
Michael Rohl Republican Yea
Mykala Voita Republican Yea
Paul Miskimins Republican Yea
Randy Deibert Republican Yea
Sam Marty Republican Yea
Stephanie Sauder Republican Yea
Steve Kolbeck Republican Yea
Sue Peterson Republican Nay
Sydney Davis Republican Yea
Taffy Howard Republican Yea
Tamara Grove Republican Nay
Tim Reed Republican Yea
Tom Pischke Republican Yea

Official roll call →

Subjects

Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

Who sponsors SJR 502?
SJR 502 is sponsored by Larry Zikmund (Republican), Glen Vilhauer (Republican), John Shubeck (Republican), Matt Roby (Republican), Tom Pischke (Republican), Kevin Jensen (Republican), Casey Crabtree (Republican), Aaron Aylward (Republican), Michael Rohl (Republican), and Greg Jamison (Republican).
What is the current status of SJR 502?
This bill has passed the Senate. Introduced January 13, 2026. It now moves to the second chamber.
Where can I track SJR 502?
Track SJR 502 free on One Click Politics — get push/email alerts when it moves.

Make your voice heard on SJR 502

Find the representatives who decide this bill and tell them where you stand — for yourself, or mobilize your whole list in one click with One Click Politics advocacy software.

Stay ahead of SJR 502

Last checked for changes 2 months ago · updated continuously

One Click Politics tracks every bill in Congress and all 50 states.

Track this bill →