Iowa 2025-2026 Regular Session Status: In Committee 1 R cosponsors

HF 2171 — A bill for an act striking elementary and secondary student immunization requirements.

Last action — Committee vote: Yeas, 14. Nays, 9. Excused, 0.

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

This bill is in committee in the House. Introduced January 27, 2026. It must pass committee before a floor vote.

Next likely step: a committee vote, then a floor vote in the House.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low 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 36% · moderate confidence
  • In Committee

    Current position in the legislative process.

  • 1 sponsor

    1 primary, 0 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (1 R).

  • Cleared a recorded vote

    Passed 4 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

Action History

  1. Committee vote: Yeas, 14. Nays, 9. Excused, 0.

  2. Committee report, recommending passage.

  3. Subcommittee recommends passage.

  4. Subcommittee Meeting: 02/04/2026 12:45PM RM 304.

  5. Subcommittee: Boden, Hayes and Matson.

  6. Introduced, referred to Education.

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 149 not signed on

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (149)

149 members have not signed on to this bill.

Show all 149 →

"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

Shall the bill pass?

Passed 48 Yea · 0 Nay · 2 Other
Party YeaNayPresentNot Voting
Democrat 6000
Unaffiliated 19002
Republican 24000
Total 49002
% of votes cast 96%0%0%4%
How each member voted (51)
Member Party Vote
Boulton — Yea
Brown — Yea
Carlin — Yea
Celsi — Yea
Chapman — Yea
Cournoyer — Yea
Edler — Yea
Giddens — Yea
Goodwin — Yea
Hogg — Yea
Jochum — Yea
Kinney — Yea
Lykam — Yea
Nunn — Yea
Ragan — Yea
Shipley — Yea
Trone — Yea
Zaun — Yea
Bolkcom — Not Voting
Mathis — Not Voting
Taylor, T. — Yea
Herman C. Quirmbach Democrat Yea
Janet Petersen Democrat Yea
Sarah Trone Garriott Democrat Yea
Tony Bisignano Democrat Yea
William A. Dotzler Jr. Democrat Yea
Zach Wahls Democrat Yea
Adrian Dickey Republican Yea
Amy Sinclair Republican Yea
Annette Sweeney Republican Yea
Carrie Koelker Republican Yea
Craig P. Johnson Republican Yea
Craig Steven Williams Republican Yea
Dan Dawson Republican Yea
Dan Zumbach Republican Yea
David D. Rowley Republican Yea
Dawn Driscoll Republican Yea
Dennis Guth Republican Yea
Jack Whitver Republican Yea
Jason Schultz Republican Yea
Jeff Reichman Republican Yea
Jeff Taylor Republican Yea
Jennifer J. Smith Republican Yea
Jennifer J. Smith Republican Yea
Jesse Green Republican Yea
Julian B. Garrett Republican Yea
Ken Rozenboom Republican Yea
Mark Costello Republican Yea
Mark S. Lofgren Republican Yea
Mike Klimesh Republican Yea
Tim Kraayenbrink Republican Yea

Official roll call →

Shall the bill pass?

Passed 95 Yea · 0 Nay · 5 Other
Party YeaNayPresentNot Voting
Unaffiliated 39005
Republican 37000
Democrat 19000
Total 95005
% of votes cast 95%0%0%5%
How each member voted (100)
Member Party Vote
Abdul-Samad — Yea
Anderson — Yea
Bacon — Yea
Baxter — Yea
Bohannan — Yea
Brink — Yea
Bush — Yea
Cahill — Yea
Cohoon — Yea
Deyoe — Yea
Dolecheck — Yea
Forbes — Yea
Gobble — Yea
Graber — Yea
Gustafson — Yea
Hall — Yea
Hansen — Yea
Hein — Yea
Hite — Yea
Hunter — Yea
Isenhart — Yea
Jacobsen — Yea
Kerr — Yea
Mascher — Yea
Maxwell — Yea
McConkey — Yea
Mitchell — Yea
Oldson — Yea
Osmundson — Yea
Paustian — Yea
Running-Marquardt — Yea
Sexton — Yea
Shipley — Yea
Steckman — Yea
Thede — Yea
Thorup — Yea
Wolfe — Yea
Worthan — Yea
Best — Not Voting
Fry — Not Voting
Klein — Not Voting
Prichard — Not Voting
Sunde — Not Voting
Thompson, P. — Yea
Amy Nielsen Democrat Yea
Art Staed Democrat Yea
Beth Wessel-Kroeschell Democrat Yea
Bob Kressig Democrat Yea
Brian Meyer Democrat Yea
Cindy Winckler Democrat Yea
David Jacoby Democrat Yea
Eric J. Gjerde Democrat Yea
Jennifer Konfrst Democrat Yea
Kenan Judge Democrat Yea
Lindsay James Democrat Yea
Liz Bennett Democrat Yea
Molly Donahue Democrat Yea
Monica Kurth Democrat Yea
Rick L. Olson Democrat Yea
Ross Wilburn Democrat Yea
Ruth Ann Gaines Democrat Yea
Timi M. Brown-Powers Democrat Yea
Tracy A. Ehlert Democrat Yea
Ann Meyer Republican Yea
Bobby Kaufmann Republican Yea
Brent Siegrist Republican Yea
Brian K. Lohse Republican Yea
Brooke Boden Republican Yea
Carter F. Nordman Republican Yea
Chad Ingels Republican Yea
Charlie McClintock Republican Yea
Cherielynn Westrich Republican Yea
Craig Steven Williams Republican Yea
David Sieck Republican Yea
Dean Fisher Republican Yea
Dr. Steven P. Bradley Republican Yea
Eddie Andrews Republican Yea
Gary M. Mohr Republican Yea
Henry Stone Republican Yea
Jacob Bossman Republican Yea
Jane Bloomingdale Republican Yea
Jennifer J. Smith Republican Yea
John H. Wills Republican Yea
Jon Dunwell Republican Yea
Mark Cisneros Republican Yea
Matt W. Windschitl Republican Yea
Megan Jones Republican Yea
Michael R. Bergan Republican Yea
Mike Bousselot Republican Yea
Norlin G. Mommsen Republican Yea
Pat Grassley Republican Yea
Ray Sorensen Republican Yea
Sandy Salmon Republican Yea
Shannon Latham Republican Yea
Shannon Lundgren Republican Yea
Skyler Wheeler Republican Yea
Steven C. Holt Republican Yea
Thomas Gerhold Republican Yea
Thomas Jay Moore Republican Yea
Thomas M. Jeneary Republican Yea

Official roll call →

Shall the bill pass?

Passed 49 Yea · 0 Nay
Party YeaNayPresentNot Voting
Unaffiliated 31001
Republican 14000
Democrat 4000
Total 49001
% of votes cast 98%0%0%2%
How each member voted (50)
Member Party Vote
Allen — Yea
Bertrand — Yea
Bolkcom — Yea
Boulton — Yea
Bowman — Yea
Breitbach — Yea
Brown — Yea
Carlin — Yea
Chapman — Yea
Chelgren — Yea
Hart — Yea
Hogg — Yea
Horn — Yea
Jochum — Yea
Kapucian — Yea
Kinney — Yea
Lykam — Yea
Mathis — Yea
McCoy — Yea
Ragan — Yea
Schneider — Yea
Segebart — Yea
Zaun — Yea
Johnson, D. — Yea
Shipley — Yea
Taylor — Yea
Vacant, 1. — Not Voting
Dvorsky — Yea
Edler — Yea
Feenstra — Yea
Greene — Yea
Danielson — Yea
Herman C. Quirmbach Democrat Yea
Janet Petersen Democrat Yea
Tony Bisignano Democrat Yea
William A. Dotzler Jr. Democrat Yea
Amy Sinclair Republican Yea
Chad Behn Republican Yea
Craig P. Johnson Republican Yea
Dan Dawson Republican Yea
Dan Zumbach Republican Yea
Dennis Guth Republican Yea
Jack Whitver Republican Yea
Jason Schultz Republican Yea
Jennifer J. Smith Republican Yea
Julian B. Garrett Republican Yea
Ken Rozenboom Republican Yea
Mark Costello Republican Yea
Mark S. Lofgren Republican Yea
Tim Kraayenbrink Republican Yea

Official roll call →

Shall the bill pass?

Passed 95 Yea · 0 Nay · 5 Other
Party YeaNayPresentNot Voting
Unaffiliated 65002
Democrat 9002
Republican 21001
Total 95005
% of votes cast 95%0%0%5%
How each member voted (100)
Member Party Vote
Abdul-Samad — Yea
Bacon — Yea
Baltimore — Yea
Baudler — Yea
Baxter — Yea
Bearinger — Yea
Best — Yea
Breckenridge — Yea
Carlson — Yea
Cohoon — Yea
Deyoe — Yea
Dolecheck — Yea
Finkenauer — Yea
Fry — Yea
Forbes — Yea
Gaskill — Yea
Gassman — Yea
Gustafson — Yea
Hagenow — Yea
Hall — Yea
Hanusa — Yea
Heartsill — Yea
Heddens — Yea
Heaton — Yea
Hein — Yea
Highfill — Yea
Hinson — Yea
Holz — Yea
Hunter — Yea
Huseman — Yea
Isenhart — Yea
Jacobsen — Yea
Kacena — Yea
Kearns — Yea
Kerr — Yea
Klein — Yea
Koester — Yea
Lensing — Yea
Landon — Yea
Mascher — Yea
Maxwell — Yea
McConkey — Yea
McKean — Yea
Nunn — Not Voting
Oldson — Yea
Ourth — Yea
Paustian — Yea
Pettengill — Yea
Prichard — Yea
Rizer — Yea
Running-Marquardt — Yea
Rogers — Yea
Sexton — Yea
Sheets — Yea
Steckman — Yea
Thede — Yea
Upmeyer — Yea
Watts — Yea
Wolfe — Yea
Worthan — Yea
Anderson — Yea
Hager — Yea
Meyer — Yea
Miller, H. — Yea
Miller, P. — Yea
Cownie — Yea
Vander Linden — Not Voting
Amy Nielsen Democrat Not Voting
Art Staed Democrat Yea
Beth Wessel-Kroeschell Democrat Not Voting
Bob Kressig Democrat Yea
Cindy Winckler Democrat Yea
David Jacoby Democrat Yea
Liz Bennett Democrat Yea
Monica Kurth Democrat Yea
Rick L. Olson Democrat Yea
Ruth Ann Gaines Democrat Yea
Timi M. Brown-Powers Democrat Yea
Bobby Kaufmann Republican Yea
Dan Zumbach Republican Yea
David Sieck Republican Yea
Dean Fisher Republican Not Voting
Gary M. Mohr Republican Yea
Jacob Bossman Republican Yea
Jane Bloomingdale Republican Yea
Jeff Taylor Republican Yea
Jeff Taylor Republican Yea
Jennifer J. Smith Republican Yea
Jennifer J. Smith Republican Yea
John H. Wills Republican Yea
Matt W. Windschitl Republican Yea
Megan Jones Republican Yea
Michael R. Bergan Republican Yea
Norlin G. Mommsen Republican Yea
Pat Grassley Republican Yea
Sandy Salmon Republican Yea
Shannon Lundgren Republican Yea
Skyler Wheeler Republican Yea
Steven C. Holt Republican Yea
Thomas Jay Moore 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 HF 2171?
HF 2171 is sponsored by Zach Dieken (Republican).
What is the current status of HF 2171?
This bill is in committee in the House. Introduced January 27, 2026. It must pass committee before a floor vote.
Where can I track HF 2171?
Track HF 2171 free on One Click Politics — get push/email alerts when it moves.

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