Zach Dieken
Contact
Email · zachary.dieken@legis.iowa.gov
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46
Bills sponsored
this session · 79 all-time
0
Bills co-sponsored
this session · 0 all-time
0
Enacted into law
this session · 0 all-time
1211
Recorded votes
84%
Vote participation
voted in 84% of 1211 recorded votes
Voting scorecard
2025-2026 session · computed from recorded roll-call votes
Party unity
96.4%
based on 1021 votes
Votes with own party's majority
Independence
3.6%
based on 1021 votes
Votes against own party's majority
Participation
84.4%
based on 1021 votes
Roll calls where a yes/no was cast
Sponsored (introduced)
79 billsCurrent session 46 bills
- HF2316 A bill for an act relating to the treatment of an unborn child for the purposes of damages for wrongful death, homicide and related crimes, and assault, making penalties applicable, and including effective date and applicability provisions. Introduced
- HF2171 A bill for an act striking elementary and secondary student immunization requirements. Introduced
- HF2168 A bill for an act creating a state remittance tax and including applicability provisions. Introduced
- HF2694 A bill for an act relating to the regulation of places and practices of worship by the governor.(See HF 2694.) To Executive
- HF2087 A bill for an act relating to the powers and duties applicable to state of disaster emergencies and public health disasters, including a prohibition on regulating religious institutions and practices. Introduced
- HF453 A bill for an act relating to the treatment of an unborn child for the purposes of damages for wrongful death, the defense of compulsion, homicide and related crimes, and assault, making penalties applicable, and including effective date and applicability provisions. Introduced
- HF350 A bill for an act relating to the availability of sexually explicit material in department of corrections institutions. Introduced
- HF280 A bill for an act relating to the regulation of places and practices of worship by the governor. Introduced
- HF224 A bill for an act eliminating certificate of need requirements and the state health facilities council. Introduced
- HF770 A bill for an act relating to reasonable and prudent following distances while a person is operating a motor vehicle, and making penalties applicable.(See HF 770.) Introduced
- HF84 A bill for an act relating to drug paraphernalia, and providing penalties. Introduced
- HF83 A bill for an act prohibiting foreign governments from acquiring or owning real property or agricultural land located in the state. Introduced
- HF 2164 A bill for an act relating to the casting of provisional ballots by persons registering to vote on election day or when casting an in-person absentee ballot. In Committee
- HF 84 A bill for an act relating to drug paraphernalia, and providing penalties. In Committee
- HF 83 A bill for an act prohibiting foreign governments from acquiring or owning real property or agricultural land located in the state. In Committee
- HF 2109 A bill for an act relating to the disposition of collected criminal case fines and establishing a victim restitution fund. In Committee
- HF 106 A bill for an act relating to the survival of, and the bringing of a cause of action for, wrongful death of an unborn child. In Committee
- HF 191 A bill for an act relating to the intentional emission of air contaminants into the atmosphere. In Committee
- HF 239 A bill for an act relating to the office of the consumer advocate. Failed
- HF 2379 A bill for an act allowing the carrying of weapons on the grounds of a school under certain circumstances. In Committee
- HF 2165 A bill for an act relating to the casting of ballots by absent voters. In Committee
- HF 429 A bill for an act relating to circumstances necessary prior to deployment of state military units in active combat or hazardous service related to conflict in a foreign state. In Committee
- HF 279 A bill for an act relating to powers and duties applicable to state of disaster emergencies and public health disasters. In Committee
- HF 2316 A bill for an act relating to the treatment of an unborn child for the purposes of damages for wrongful death, homicide and related crimes, and assault, making penalties applicable, and including effective date and applicability provisions. In Committee
- HF 2395 A bill for an act relating to the use of fluoride-based additives in private and public water supply systems. In Committee
Historical 33 bills
- HF 2256 A bill for an act relating to the treatment of an unborn child for the purposes of damages for wrongful death, the defense of compulsion, homicide and related crimes, and assault, making penalties applicable, and including effective date and applicability provisions. Died
- HF 2259 A bill for an act establishing the criminal offense of looting, and providing penalties. Failed
- HF 2059 A bill for an act relating to the tax exemption of religious institution or society property being used for educational purposes by a third party, and including effective date and retroactive applicability provisions. Died
- HF 2031 A bill for an act incorporating provisions related to pregnancy and fetal development into the human growth and development and health curriculum provided by school districts, accredited nonpublic schools, charter schools, and innovation zone schools to students enrolled in grades one through twelve. Failed
- HF 2233 A bill for an act relating to initial and continuing education requirements for licensed professions. Died
- HF 2090 A bill for an act relating to powers and duties applicable to state of disaster emergencies and public health disasters. Died
- HF 2230 A bill for an act relating to the survival of, and the bringing of a cause of action for, wrongful death of an unborn child. Died
- HF 2243 A bill for an act relating to the adoption tax credit available against the individual income tax, and including effective date and retroactive applicability provisions. Failed
- HF 2103 A bill for an act relating to a father’s obligation for payment of expenses including those related to a mother’s pregnancy and the birth of a child born out of wedlock. Died
- HF 2089 A bill for an act relating to the criminal offense of accessory after the fact if the public offense involves a murder, and providing penalties. Failed
- HF 2097 A bill for an act relating to the regulation of places and practices of worship by the governor. Died
- HF 2073 A bill for an act authorizing school districts, charter schools, and innovation zone schools to employ chaplains, or engage volunteer chaplains, to provide services to students. Died
- HF 406 A bill for an act relating to human trafficking and providing penalties. Failed
- HF 507 A bill for an act relating to public health and safety, prohibiting health mandates and requirements by federal and nongovernmental health organizations, and including effective date provisions. Died
- HF 543 A bill for an act requiring all ballots to be cast in secret, and making penalties applicable. Died
- HF 576 A bill for an act relating to the prohibition of specified carbon sequestration projects, and including effective date and applicability provisions. Died
- HF 2370 A bill for an act relating to Satanic displays or Satanic worship on property of the state and its political subdivisions. Died
- HR 5 A resolution regarding foundational principles of the American form of government. Died
- HF 190 A bill for an act relating to gender under the Iowa civil rights Act. Died
- HF 401 A bill for an act relating to a law enforcement agency providing annual training to law enforcement officers relating to de-escalation techniques and the prevention of bias. Died
- HF 410 A bill for an act relating to a prohibition on hazardous liquid pipelines transporting liquefied carbon dioxide, and including effective date and applicability provisions. Died
- HF 368 A bill for an act relating to specified utility construction project requirements, and including effective date and applicability provisions. Failed
- HF 299 A bill for an act relating to entering property for surveying purposes, and providing penalties. Died
- HF 148 A bill for an act relating to changes in party affiliation prior to a primary election. Died
- HF 147 A bill for an act creating the second amendment preservation Act, providing penalties, and including effective date provisions. Died
Voting record
Current session 50 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
|
HF 2778
A bill for an act modifying the individual income tax credit for emergency medical services personnel to include volunteer ambulance drivers, and including retroactive applicability provisions.
Shall the bill pass? |
Yea | pass | April 21, 2026 |
|
HF 2487
A bill for an act concerning restrictions on certain activities relating to diversity, equity, inclusion, and critical race theory by state entities and public institutions of higher education.
Shall amendment H-8206 be adopted? |
Nay | fail | March 12, 2026 |
|
HF 2513
A bill for an act prohibiting institutions of higher education from entering into employment contracts with citizens of federally designated foreign adversaries and state sponsors of terrorism holding certain visas.
Shall the bill pass? |
Yea | pass | March 03, 2026 |
|
HF 2226
A bill for an act relating to the bachelor of science in nursing program at the university of Iowa, including priority for admission and reporting requirements.
Shall the bill pass? |
Yea | pass | February 24, 2026 |
|
SF 660
A bill for an act relating to sports wagering and tourism, making appropriations, and including effective date provisions.
Shall the bill pass? |
Not Voting | pass | May 14, 2025 |
|
SF 659
A bill for an act relating to state government and finances, including by making, modifying, limiting, or reducing appropriations, distributions, or transfers; authorizing expenditure of unappropriated moneys in special funds; providing for properly related matters including crystalline polymorph psilocybin, medical residency and fellowship positions, state membership in the Iowa individual health benefit reinsurance association, student abuse by school employees, modified supplemental amounts for school budgets, wagering taxes, a state fire marshal study, certain legislative interim studies, and 911 emergency communications services; making corrections; and including effective date, applicability, and retroactive applicability provisions.
Shall the bill pass? |
Not Voting | pass | May 14, 2025 |
|
SF 657
A bill for an act related to state taxation and finance and other related matters, by creating, modifying, and eliminating tax credits and tax incentive programs, providing for penalties, and including effective date and retroactive applicability provisions.
Shall amendment H-1351 be adopted? |
Not Voting | fail | May 14, 2025 |
|
HF 1044
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, offices of governor and lieutenant governor, department of inspections, appeals, and licensing, department of insurance and financial services, department of management, Iowa public employees’ retirement system, public information board, department of revenue, secretary of state, treasurer of state, and utilities commission, and providing for properly related matters including the deposit of captive company premium tax revenue.
Shall the rules be suspended to consider amendment H-1336? |
Not Voting | fail | May 13, 2025 |
|
SF 615
A bill for an act relating to work requirements for the Iowa health and wellness plan, public assistance programs, an information technology fund, the public assistance modernization fund, and the Medicaid for employed people with disabilities program, and including effective date provisions.
Shall the bill pass? |
Yea | pass | March 26, 2025 |
|
HF 884
A bill for an act authorizing school districts, charter schools, and innovation zone schools to employ chaplains, or engage volunteer chaplains, to provide services to students.
Shall amendment H-1177, to amendment H-1129, be adopted? |
Nay | fail | March 26, 2025 |
|
HF 844
A bill for an act relating to eligibility requirements for financial institutions in which public funds may be deposited.
Shall the bill pass? |
Yea | pass | March 25, 2025 |
|
HF 777
A bill for an act relating to applications for a motor vehicle salvage certificate of title by an insurer without surrendering the certificate of title or manufacturer’s or importer’s statement of origin, making penalties applicable, and including effective date provisions.
Shall the bill pass? |
Yea | pass | March 17, 2025 |
|
HF 652
A bill for an act concerning county and city regulation of real property and the powers granted to a board of adjustment.
Shall the bill pass? |
Yea | pass | March 13, 2025 |
|
HF 602
A bill for an act relating to testimony by a minor witness using two-way, closed-circuit equipment.
Shall the bill pass? |
Yea | pass | March 12, 2025 |
|
HF 530
A bill for an act authorizing a member of the general assembly, judicial officer, attorney general, deputy attorney general, or an assistant attorney general to be issued a professional permit to carry weapons.
Shall the bill pass? |
Yea | pass | March 12, 2025 |
|
HF 393
A bill for an act relating to the Iowa school performance profiles published by the department of education, including how dropout students affect school performance grades contained in the profiles.
Shall the bill pass? |
Nay | pass | March 11, 2025 |
|
HF 248
A bill for an act relating to the treatment of adoptive parent employees and making penalties applicable.
Shall the bill pass? |
Yea | pass | March 10, 2025 |
|
HF 2494
A bill for an act requiring the director of the department of education to prepare, publish, and submit to the general assembly annual reports related to reading proficiency, mathematics proficiency, and area education agencies.
Shall the bill pass? |
Yea | pass | March 03, 2026 |
|
HF 2292
A bill for an act directing the department of health and human services to increase the number of inpatient psychiatric beds at each state mental health institute.
Shall the bill pass? |
Yea | pass | February 26, 2026 |
|
HF 980
A bill for an act relating to unemployment insurance taxes on employers.
Shall amendment H-1321 be adopted? |
Not Voting | fail | May 14, 2025 |
|
SF 612
A bill for an act relating to state and local taxation and regulations by changing certain tax credits, cigarette and tobacco-related regulations, and certain city budget certification deadlines, providing for penalties, and including retroactive applicability and effective date provisions.
Shall the bill pass? |
Not Voting | pass | May 14, 2025 |
|
SF 648
A bill for an act relating to and making appropriations to the judicial branch including judicial officer salaries and interpreter or translator fees, and including effective date provisions.
Shall the bill pass? |
Not Voting | pass | May 14, 2025 |
|
HF 980
A bill for an act relating to unemployment insurance taxes on employers.
Shall amendment H-1323 be adopted? |
Not Voting | fail | May 14, 2025 |
|
HF 980
A bill for an act relating to unemployment insurance taxes on employers.
Shall the rules be suspended to consider amendment H-1318? |
Not Voting | fail | May 14, 2025 |
|
SF 644
A bill for an act relating to and making appropriations to the justice system, providing for properly related matters including indigent defense and representation, the corrections capital reinvestment fund, and a corrections federal receipts fund, and including effective date and retroactive applicability provisions.
Shall the bill pass? |
Not Voting | pass | May 14, 2025 |
|
HF 980
A bill for an act relating to unemployment insurance taxes on employers.
Shall amendment H-1322 be adopted? |
Not Voting | fail | May 14, 2025 |
|
SF 615
A bill for an act relating to work requirements for the Iowa health and wellness plan, public assistance programs, an information technology fund, the public assistance modernization fund, and the Medicaid for employed people with disabilities program, and including effective date provisions.
Shall the bill pass? |
Not Voting | pass | May 14, 2025 |
|
HF 980
A bill for an act relating to unemployment insurance taxes on employers.
Shall the rules be suspended to consider amendment H-1320? |
Not Voting | fail | May 14, 2025 |
|
HF 980
A bill for an act relating to unemployment insurance taxes on employers.
Shall the rules be suspended to consider amendment H-1319? |
Not Voting | fail | May 14, 2025 |
|
SF 657
A bill for an act related to state taxation and finance and other related matters, by creating, modifying, and eliminating tax credits and tax incentive programs, providing for penalties, and including effective date and retroactive applicability provisions.
Shall the bill pass? |
Not Voting | pass | May 14, 2025 |
|
SF 615
A bill for an act relating to work requirements for the Iowa health and wellness plan, public assistance programs, an information technology fund, the public assistance modernization fund, and the Medicaid for employed people with disabilities program, and including effective date provisions.
Shall the House concur in the Senate amendment H-1342? |
Not Voting | pass | May 14, 2025 |
|
SF 641
A bill for an act relating to matters under the purview of the department of health and human services, including administrative services organizations, child foster care, child and dependent adult abuse, internal audit and examination information, and the region incentive fund in the mental health and disability services regional service fund, health maintenance organization’s premium tax, and making appropriations and including effective date and retroactive applicability provisions.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
HF 1044
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, offices of governor and lieutenant governor, department of inspections, appeals, and licensing, department of insurance and financial services, department of management, Iowa public employees’ retirement system, public information board, department of revenue, secretary of state, treasurer of state, and utilities commission, and providing for properly related matters including the deposit of captive company premium tax revenue.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 645
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 the state board of regents and certain regents institutions, and extending the repeal date for the housing renewal pilot program.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 646
A bill for an act relating to and making appropriations involving state government entities associated with agriculture, natural resources, and environmental protection.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 647
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, and state board of regents, and including contingent effective date provisions.
Shall amendment H-1345 be adopted? |
Not Voting | fail | May 13, 2025 |
|
HF 1049
A bill for an act relating to and making appropriations to the department of veterans affairs and the department of health and human services, and related provisions and appropriations, including aging and disability services; behavioral health, public health, community access and eligibility; the medical assistance program, state supplementary assistance, Hawki, and other health-related programs; sex reassignment surgeries or associated procedures; family well-being and protection; state-operated specialty care, administration and compliance; transfers, cash flows, and nonreversions; prior appropriations; the beer and liquor control fund, and the behavioral health fund; report on nonreversion of moneys; emergency rules; and a hospital directed payment program; and including effective date and retroactive applicability provisions.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 628
A bill for an act relating to transportation and other infrastructure-related appropriations to the department of transportation, including allocation and use of moneys from the road use tax fund, the primary road fund, and the statutory allocations fund.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 647
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, and state board of regents, and including contingent effective date provisions.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 626
A bill for an act relating to federal moneys and regulations, including the appropriation of federal moneys made available from federal block grants and other nonstate sources, the allocation of portions of federal block grants, the procedures if federal moneys or federal block grants are more or less than anticipated, and the authorization of certain city regulations when required under federal law, and including effective date and retroactive applicability provisions.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 646
A bill for an act relating to and making appropriations involving state government entities associated with agriculture, natural resources, and environmental protection.
Shall amendment H-1337 be adopted? |
Not Voting | fail | May 13, 2025 |
|
HF 1040
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 board of regents and certain regents institutions, and eliminating the repeal of the housing renewal pilot program.
Shall amendment H-1293 be adopted? |
Not Voting | fail | May 13, 2025 |
|
HF 856
A bill for an act prohibiting public entities from engaging in certain activities relating to diversity, equity, and inclusion, creating a private cause of action, and including effective date provisions.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
HF 1049
A bill for an act relating to and making appropriations to the department of veterans affairs and the department of health and human services, and related provisions and appropriations, including aging and disability services; behavioral health, public health, community access and eligibility; the medical assistance program, state supplementary assistance, Hawki, and other health-related programs; sex reassignment surgeries or associated procedures; family well-being and protection; state-operated specialty care, administration and compliance; transfers, cash flows, and nonreversions; prior appropriations; the beer and liquor control fund, and the behavioral health fund; report on nonreversion of moneys; emergency rules; and a hospital directed payment program; and including effective date and retroactive applicability provisions.
Shall the rules be suspended to consider amendment H-1334? |
Not Voting | fail | May 13, 2025 |
|
HF 890
A bill for an act relating to education, including by modifying provisions related to community college and department of education reporting requirements, the national board certification pilot project, employees of the Iowa educational services for the blind and visually impaired program or the Iowa school for the deaf, and the employment contracts between community colleges and community college instructors, and including effective date provisions.
Shall the bill pass? |
Not Voting | pass | May 13, 2025 |
|
SF 646
A bill for an act relating to and making appropriations involving state government entities associated with agriculture, natural resources, and environmental protection.
Shall amendment H-1338 be adopted? |
Not Voting | fail | May 13, 2025 |
|
SF 647
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, and state board of regents, and including contingent effective date provisions.
Shall amendment H-1344 be adopted? |
Not Voting | fail | May 13, 2025 |
|
HF 974
A bill for an act relating to vehicle registration plates, including registration plate frames and Gadsden flag special registration plates, providing fees, and making appropriations.
Shall amendment H-1303 be adopted? |
Not Voting | fail | May 12, 2025 |
|
HF 1026
A bill for an act relating to the adoption tax credit available against the individual income tax, and including effective date and retroactive applicability provisions.
Shall the bill pass? |
Not Voting | pass | May 12, 2025 |
|
HF 593
A bill for an act relating to groundwater hazard statement requirements.
Shall the bill pass? |
Not Voting | pass | May 12, 2025 |