Sen. Bill Dotzler
Democratic Iowa Senate · District 31 · Iowa
-0.905Left–right score (within Senate)−1 = most liberal, +1 = most conservative in this chamber. Only compare with others in the same chamber.
#8 of 47Chamber rank, liberal→conservative#1 is the most liberal ranked member of this chamber.
95.2%Party unityHow often they vote the same way as most of their own party.
586Roll calls (0 missed/absent)Recorded votes we have for this session; “missed” means they didn’t vote.
In office since 1997-01-13 · bill.dotzler@legis.iowa.gov · mailchi.mp/…/dotzler · legis.iowa.gov/…/legislator?ga=88&personI · legis.iowa.gov/…/legislator?ga=89&personI · legis.iowa.gov/…/legislator?personID=157 · Open States ID c1174a56-68c9-4103-aaee-fa3f1a2b25ca
Capitol: 1007 E. Grand Ave., Des Moines, IA 50319 515-281-3371
Where they sit in the Iowa Senate
Each gray bar counts how many ranked members of the Iowa Senate have a score in that range, from most liberal (left) to most conservative (right). The colored line is Bill Dotzler. Scores are relative to this chamber only.
Chamber, by party
Each tick is one ranked member, placed by their score (blue D, red R, purple I/other). The tall tick is Bill Dotzler.
Committees
- Appropriations
- International Relations
- Natural Resources and Environment
- Veterans Affairs (ranking member)
- Ways and Means
- Workforce
Recent votes (latest 60 of 586 in the current session data)
| Date | Bill / motion | Vote | Result |
|---|---|---|---|
| 2026-05-03 | SF 2472 Shall the bill pass? A bill for an act relating to state and local government taxes, fees, financial authority, and budgets, by modifying property assessment provisions, divisions of revenue, and funding from the secure an advanced vision fo | Yea | Pass 41–1 |
| 2026-05-03 | HF 2788 Shall the bill pass? A bill for an act relating to abortions including definitions, informed consent, dispensing of abortion-inducing drugs, and other abortion-related provisions. | Nay | Pass 30–11 |
| 2026-05-03 | HF 2800 Shall the bill pass? A bill for an act relating to state and local government and finances, including by making, modifying, limiting, or reducing appropriations, distributions, or transfers, authorizing expenditure of unappropriated moneys i | Nay | Pass 29–11 |
| 2026-05-02 | HF 2765 Shall the bill pass? A bill for an act providing for the regulation of mining, making penalties applicable, and including effective date provisions. | Yea | Pass 46–0 |
| 2026-05-02 | HF 1036 Shall the bill pass? A bill for an act relating to human trafficking, including screening children, civil statutes of limitations, an annual stakeholder meeting and report, depositions of victims, restitution, restorative facilities and prot | Yea | Pass 45–0 |
| 2026-05-02 | HF 1036 Shall amendment S-5251 be adopted? A bill for an act relating to human trafficking, including screening children, civil statutes of limitations, an annual stakeholder meeting and report, depositions of victims, restitution, restorative facilities and prot | Yea | Fail 17–28 |
| 2026-05-02 | HF 2787 Shall the bill pass? A bill for an act prohibiting warrant resolution clinics, including enforcement mechanisms, providing penalties, and including effective date provisions. | Nay | Pass 31–12 |
| 2026-05-02 | HF 2781 Shall the bill pass? A bill for an act relating to allocations of moneys from the juvenile detention home fund. | Yea | Pass 34–9 |
| 2026-05-02 | HF 2542 Shall the bill pass? A bill for an act relating to habitual offenders, and providing penalties. | Nay | Pass 39–6 |
| 2026-05-02 | HF 2493 Shall the bill pass? A bill for an act relating to the statewide preschool program by modifying provisions relating to eligibility, funding, and compulsory attendance and including applicability provisions. | Yea | Pass 46–0 |
| 2026-05-02 | HF 2531 Shall the bill pass? A bill for an act relating to interests in minerals owned by counties and cities, and including effective date provisions. | Yea | Pass 45–1 |
| 2026-05-02 | HF 2797 Shall the bill pass? A bill for an act relating to the peace officer, public safety, and emergency personnel bill of rights, and providing fees. | Yea | Pass 44–0 |
| 2026-05-02 | SF 654 Shall the bill pass? A bill for an act relating to wildlife, including the treatment of beaver dams, identification for traps, snares, and tree stands, maximum fur dealer license fees, and deer depredation, and making penalties applicable. | Nay | Pass 32–12 |
| 2026-05-02 | HF 2756 Shall the bill pass? A bill for an act relating to licensing of service companies, motor vehicle service contracts, and residential service contracts, and providing civil penalties and including effective date provisions. | Yea | Pass 46–0 |
| 2026-05-02 | SF 2490 Shall the bill pass? A bill for an act relating to oil and gas production, including filing requirements, the authority of the department of natural resources, confidential information, pooling orders, negotiation of surface damage, impositi | Nay | Pass 35–11 |
| 2026-05-02 | HF 2602 Shall the bill pass? A bill for an act relating to the licensure of massage establishments, and making penalties applicable. | Yea | Pass 45–0 |
| 2026-05-02 | SF 2453 Shall the bill pass? A bill for an act providing for investment by regents institutions in certified innovation funds and including effective date provisions. | Yea | Pass 39–5 |
| 2026-05-02 | SF 2497 Shall the bill pass? A bill for an act providing for an assignment of assets for the benefit of creditors, exempting the related tax on the transfer of real estate, and including effective date provisions. | Yea | Pass 45–0 |
| 2026-05-02 | HF 2694 Shall the bill pass? A bill for an act relating to the regulation of certain places and activities by the governor. | Nay | Pass 31–14 |
| 2026-05-02 | HF 2794 Shall the bill pass? A bill for an act establishing a sexual assault forensic examination center grant program and trust fund. | Yea | Pass 45–0 |
| 2026-05-02 | SF 2484 Shall the bill pass? A bill for an act relating to and making appropriations from the rebuild Iowa infrastructure fund, technology reinvestment fund, and renewable fuel infrastructure fund, providing for related matters including financial a | Yea | Pass 45–0 |
| 2026-05-02 | HF 2615 Shall the bill pass? A bill for an act relating to thoroughbred and quarter horse racing seasons. | Nay | Pass 30–16 |
| 2026-05-02 | HF 2799 Shall the bill pass? A bill for an act relating to matters under the purview of the economic development authority, the utilities commission, and the department of education, including creation of the headquarters expansion and development f | Yea | Pass 41–0 |
| 2026-05-02 | HF 2770 Shall the bill pass? A bill for an act relating to and making appropriations to the justice system, providing fees, and including applicability provisions. | Nay | Pass 29–17 |
| 2026-05-02 | HF 2771 Shall the bill pass? A bill for an act relating to and making appropriations involving state government entities associated with agriculture, natural resources, and environmental protection, and including contingent effective date provisions | Nay | Pass 43–2 |
| 2026-05-02 | HF 2598 Shall the bill pass? A bill for an act relating to a required course of instruction regarding human trafficking prevention for persons applying for the initial issuance of certain commercial driver’s licenses, and including applicability pro | Yea | Pass 44–0 |
| 2026-05-02 | HF 2769 Shall the bill pass? A bill for an act relating to and making appropriations to the judicial branch. | Nay | Pass 29–17 |
| 2026-05-02 | HF 2782 Shall the bill pass? A bill for an act relating to and making appropriations to the department of veterans affairs and the department of health and human services, including aging and disability services, behavioral health, public health, an | Nay | Pass 30–14 |
| 2026-05-02 | SF 639 Shall the bill pass? A bill for an act creating a specialty business court, and including effective date provisions. | Nay | Pass 38–8 |
| 2026-05-01 | HF 1003 Shall the bill pass? A bill for an act relating to child placements. | Yea | Pass 43–0 |
| 2026-05-01 | SF 2474 Shall the bill pass? A bill for an act relating to education, including by modifying provisions related to the Iowa dyslexia board and requiring the department of education to prepare a report related to cardiac emergency response plans and | Yea | Pass 42–0 |
| 2026-05-01 | SF 2488 Shall the bill pass? A bill for an act relating to early childhood and family services, including the creation of an early childhood and family services system, making appropriations, convening an early childhood Iowa interim study committee | Nay | Pass 28–15 |
| 2026-05-01 | HF 2526 Shall the bill pass? A bill for an act relating to the confidentiality of the residential addresses of foster parents. | Yea | Pass 44–0 |
| 2026-05-01 | HF 2617 Shall the bill pass? A bill for an act relating to abandoned vehicles. | Yea | Pass 43–0 |
| 2026-04-30 | HF 2757 Shall the bill pass? A bill for an act relating to nuclear electric generation facilities by creating sales and use tax exemptions and refunds, making appropriations to the state board of regents for establishing and maintaining a nuclear en | Yea | Pass 39–4 |
| 2026-04-30 | SF 2168 Shall the bill pass? A bill for an act relating to workforce matters including apprenticeships and other career training, unemployment insurance, and membership of the state workforce development board, making appropriations, and including e | Yea | Pass 40–0 |
| 2026-04-30 | HF 1028 Shall the bill pass? A bill for an act relating to matters under the purview of the department of management, and including effective date and applicability provisions. | Yea | Pass 44–0 |
| 2026-04-30 | HF 2783 Shall the bill pass? A bill for an act relating to and making appropriations to the education system, including the funding and operation of the department for the blind, department of education, state board of regents, department of workfor | Nay | Pass 27–15 |
| 2026-04-30 | SF 2422 Shall the bill pass? A bill for an act relating to public assistance programs under the purview of the department of health and human services, including the supplemental nutrition assistance program, Medicaid, and the Iowa health and wellne | Nay | Pass 27–16 |
| 2026-04-30 | SF 2284 Shall the bill pass? A bill for an act relating to the use of automated systems that detect traffic violations or registration plate information, and making penalties applicable. | Yea | Pass 31–9 |
| 2026-04-30 | HF 2230 Shall the bill pass? A bill for an act relating to teacher education and licensing, including by modifying provisions related to practitioner preparation programs and licenses issued by the board of educational examiners. | Nay | Pass 28–15 |
| 2026-04-29 | HF 864 Shall the bill pass? A bill for an act requiring persons who operate certain internet sites, applications, or a segment of an internet site or application that contains material pornographic for minors to perform reasonable age verification. | Yea | Pass 46–0 |
| 2026-04-29 | HF 2711 Shall the bill pass? A bill for an act relating to state policies and programs with race or gender requirements. | Nay | Pass 31–15 |
| 2026-04-29 | HF 2348 Shall the bill pass? A bill for an act relating to animal torture, and providing penalties. | Yea | Pass 46–0 |
| 2026-04-29 | SF 2378 Shall the bill pass? A bill for an act relating to the ability of property owners to protest proposed changes in zoning districts. | Nay | Pass 34–12 |
| 2026-04-29 | HF 2694 Shall amendment S-5123 be adopted? A bill for an act relating to the regulation of certain places and activities by the governor. | Nay | Pass 27–18 |
| 2026-04-29 | HF 2678 Shall the bill pass? A bill for an act providing for certain persons acting under the jurisdiction of the secretary of state, including by providing for information from required filings, and the administrative dissolution of certain entitie | Yea | Pass 46–0 |
| 2026-04-29 | HF 2199 Shall the bill pass? A bill for an act relating to level II law enforcement academy training programs. | Yea | Pass 46–0 |
| 2026-04-29 | HF 2694 Shall the bill pass? A bill for an act relating to the regulation of certain places and activities by the governor. | Nay | Pass 30–15 |
| 2026-04-29 | HF 2297 Shall the bill pass? A bill for an act relating to radon mitigation in residential buildings. | Yea | Pass 46–0 |
| 2026-04-28 | HF 2757 Shall the bill pass? A bill for an act relating to nuclear electric generation facilities by creating sales and use tax exemptions and refunds, making appropriations to the state board of regents for establishing and maintaining a nuclear en | Yea | Pass 43–4 |
| 2026-04-28 | HF 2200 Shall the bill pass? A bill for an act relating to activities in the administration of alcoholic beverage control by the department of revenue, and including effective date provisions. | Nay | Pass 43–4 |
| 2026-04-28 | SF 2289 Shall the bill pass? A bill for an act relating to matters under the purview of the department of inspections, appeals, and licensing, and including effective date provisions. | Yea | Pass 47–0 |
| 2026-04-28 | SF 2465 Shall the bill pass? A bill for an act relating to agriculture, including by providing for the powers and duties of the department of agriculture and land stewardship, including the promotion and regulation of commodities and products, the r | Yea | Pass 47–0 |
| 2026-04-28 | SF 2218 Shall the bill pass? A bill for an act relating to state regulatory compliance and eligibility requirements, including by modifying provisions related to the verification of the identity and employment eligibility of individuals by the board | Nay | Pass 37–10 |
| 2026-04-28 | HF 2772 Shall the bill pass? A bill for an act relating to and making appropriations for the economic development of the state, including to the economic development authority, Iowa finance authority, department of workforce development, and state b | Nay | Pass 30–16 |
| 2026-04-28 | HF 2768 Shall the bill pass? A bill for an act relating to and making appropriations for state government administration and regulation, including the department of administrative services, auditor of state, ethics and campaign disclosure board, off | Nay | Pass 31–16 |
| 2026-04-27 | HF 2754 Shall the bill pass? A bill for an act relating to education, including by modifying provisions related to charter school approval, contracts, funding, and operations, services provided to charter schools by area education agencies, charter | Nay | Pass 29–17 |
| 2026-04-27 | HF 2780 Shall the bill pass? A bill for an act relating to alcoholic beverage control by providing for certificates of compliance and the issuance of class “A” wine permits to nonnative wine manufacturers, permitting cities to create social district | Yea | Pass 42–4 |
| 2026-04-27 | HF 2754 Shall amendment S-5219 be adopted A bill for an act relating to education, including by modifying provisions related to charter school approval, contracts, funding, and operations, services provided to charter schools by area education agencies, charter | Yea | Fail 16–30 |