# Dan Zumbach

Dan Zumbach is a Republican member of the Iowa Senate for district 34.

- Party: Republican
- Seat: Iowa Senate, district 34
- Serving since: 2023-01-03
- Current term: IA 2025–26 session
- Open States ID: ocd-person/3fa8bceb-666f-4480-a957-1928e2b5fec6

Source: https://americaspoliticalpulse.com/p/3fa8bceb-666f-4480-a957-1928e2b5fec6 (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

Zumbach missed 14% of 589 roll calls, attendance in the bottom tenth of the Iowa Senate (average 93.9%).

## What Zumbach says (IA 2025–26 session)

17 classified statements: 17 posts on X. Each rate is the share of statements with the label, against the State Senate Republicans average; rank 1 is the highest rate.

| Label | Zumbach | State Senate Republicans average | Rank |
|---|---|---|---|
| Personal attacks | 5.9% | 2.3% | 45 of 354 |
| Policy criticism | 0.0% | 9.5% | 331 of 354 |
| Policy discussion | 29.4% | 37.3% | 233 of 354 |
| Bipartisanship | 0.0% | 2.3% | 311 of 354 |
| Credit claiming | 17.6% | 15.4% | 134 of 354 |
| Extreme labels | 11.8% | 1.3% | 5 of 354 |

Most discussed policy areas: Agriculture and Food 100% (State Senate Republicans 6.2%); Environmental Protection 20% (State Senate Republicans 1.7%); Government Operations and Politics 20% (State Senate Republicans 17%); Armed Forces and National Security 0% (State Senate Republicans 6.5%); Civil Rights and Liberties, Minority Issues 0% (State Senate Republicans 5.0%).

## Ideology (CSIP)

CSIP score +0.61 (standard error 0.03), from 212 donors and 873 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 85% of State Senate Republicans score lower.

## Votes (IA 2025–26 session)

589 roll calls. Attendance 86% (Iowa Senate 93.9%). Party unity 100% (95.7%). 0 votes against the party majority.

Key votes:

- 2026-10-02 · voted yea · Shall the bill pass? · HF 2801 A bill for an act modifying the major economic growth attraction program, and including effective date provisions. · pass · https://openstates.org/ia/bills/2025-2026/HF2801/
- 2026-05-03 · voted yea · Shall the bill pass? · SF 2472 A bill for an act relating to state and local government taxes, fees, financial authority, and budgets, by modifying property assessment provisions,… · pass · https://openstates.org/ia/bills/2025-2026/SF2472/
- 2026-05-03 · voted yea · Shall the bill pass? · HF 2788 A bill for an act relating to abortions including definitions, informed consent, dispensing of abortion-inducing drugs, and other abortion-related… · pass · https://openstates.org/ia/bills/2025-2026/HF2788/
- 2026-05-02 · voted yea · Shall the bill pass? · HF 2765 A bill for an act providing for the regulation of mining, making penalties applicable, and including effective date provisions. · pass · https://openstates.org/ia/bills/2025-2026/HF2765/
- 2026-05-02 · voted yea · Shall the bill pass? · HF 1036 A bill for an act relating to human trafficking, including screening children, civil statutes of limitations, an annual stakeholder meeting and… · pass · https://openstates.org/ia/bills/2025-2026/HF1036/
- 2026-05-02 · voted nay · Shall amendment S-5251 be adopted? · HF 1036 A bill for an act relating to human trafficking, including screening children, civil statutes of limitations, an annual stakeholder meeting and… · fail · https://openstates.org/ia/bills/2025-2026/HF1036/
- 2026-05-02 · voted yea · Shall the bill pass? · HF 2787 A bill for an act prohibiting warrant resolution clinics, including enforcement mechanisms, providing penalties, and including effective date… · pass · https://openstates.org/ia/bills/2025-2026/HF2787/
- 2026-05-02 · voted yea · Shall the bill pass? · HF 2781 A bill for an act relating to allocations of moneys from the juvenile detention home fund. · pass · https://openstates.org/ia/bills/2025-2026/HF2781/
- 2026-05-02 · voted yea · Shall the bill pass? · HF 2542 A bill for an act relating to habitual offenders, and providing penalties. · pass · https://openstates.org/ia/bills/2025-2026/HF2542/
- 2026-05-02 · voted yea · Shall the bill pass? · HF 2493 A bill for an act relating to the statewide preschool program by modifying provisions relating to eligibility, funding, and compulsory attendance and… · pass · https://openstates.org/ia/bills/2025-2026/HF2493/

## Legislation (IA 2025–26 session)

Sponsored 8 bills: 8 reached committee, 1 passed one chamber, 0 passed both, 0 became law. Cosponsored 0. 12.5% of sponsored bills got out of committee (Iowa Senate 10.8%; rank 17 of 48).

Recent sponsored bills:

- SF 2251: A bill for an act relating to the authority of combined recreational lake and water quality districts when issuing bonds. (in committee, 2026-02-16) https://openstates.org/ia/bills/2025-2026/SF2251/
- SR 104: A resolution recognizing and honoring the Young Men’s Christian Association (in committee, 2026-01-21) https://openstates.org/ia/bills/2025-2026/SR104/
- SR 102: A resolution honoring and congratulating barbecue chef and pitmaster Thyron Mathews for his appearance as a competitor on the reality television cooking… (in committee, 2026-01-20) https://openstates.org/ia/bills/2025-2026/SR102/
- SR 101: A resolution honoring Staff Sergeant William Nathaniel Howard, Staff Sergeant Edgar Brian Torres-Tovar, and their families. (passed one chamber, 2026-01-15) https://openstates.org/ia/bills/2025-2026/SR101/
- SF 348: A bill for an act exempting certain structures from inclusion in property assessments, and including effective date and retroactive applicability provisions. (in committee, 2025-03-25) https://openstates.org/ia/bills/2025-2026/SF348/
- SF 321: A bill for an act prohibiting the expenditure of certain public moneys for dues or membership fees to high school organizations that do not use required… (in committee, 2025-03-03) https://openstates.org/ia/bills/2025-2026/SF321/
- SR 2: A resolution designating February 2025 as Career and Technical Education Month. (in committee, 2025-02-10) https://openstates.org/ia/bills/2025-2026/SR2/
- SF 141: A bill for an act relating to forms of payment for entry into an extracurricular interscholastic athletic contest or competition. (in committee, 2025-02-12) https://openstates.org/ia/bills/2025-2026/SF141/
- SR 108: A resolution recognizing and congratulating University of Northern Iowa (passed one chamber, 2024-04-09) https://openstates.org/ia/bills/2023-2024/SR108/
- SR 105: A resolution honoring Caitlin Clark on her extraordinary achievements and the University of Iowa Hawkeyes women’s basketball team and coaching staff for their… (passed one chamber, 2024-03-21) https://openstates.org/ia/bills/2023-2024/SR105/

## Campaign money (2026 cycle)

Itemized receipts $27.2K (State Senate Republicans median $46.2K). 100% of itemized individual money came from in state. Aggregates only; no individual donors.

## Recent statements

Newest first. Posts on X are listed by date and link only.

- 2026-10-08 · Post on X · https://x.com/DanZumbach/status/2108000373730337112
- 2026-10-08 · Post on X · https://x.com/DanZumbach/status/2108000930176106708
- 2026-10-02 · Post on X · labels: personal attacks · https://x.com/DanZumbach/status/2106045746470674634
- 2026-09-05 · Post on X · labels: policy discussion · https://x.com/DanZumbach/status/2096295817757815269
- 2026-08-29 · Post on X · https://x.com/DanZumbach/status/2093802688836182479
- 2026-07-22 · Post on X · labels: policy discussion · https://x.com/DanZumbach/status/2079946142373089385
- 2026-07-10 · Post on X · labels: policy discussion, credit claiming · https://x.com/DanZumbach/status/2075617384816058638
- 2026-04-30 · Post on X · labels: policy discussion, credit claiming · https://x.com/DanZumbach/status/2049974383528030548
- 2026-04-01 · Post on X · https://x.com/DanZumbach/status/2039207336653296018
- 2026-03-11 · Post on X · https://x.com/DanZumbach/status/2031753883538559158

## Links

- Official site: https://www.legis.iowa.gov/legislators/legislator?ga=90&personID=10733
- X: https://x.com/DanZumbach
- Facebook: https://www.facebook.com/dan.zumbach/
- LinkedIn: https://www.linkedin.com/in/dan-zumbach-61372234/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/3fa8bceb-666f-4480-a957-1928e2b5fec6