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Party voting

Party cohesion

How often do Iowa legislators vote with their party?

Party Voting Unity

How often members of each party vote together on the same side.

Most Contentious Votes

Votes where both parties were most internally divided. Higher % = more divided.

A bill for an act relating to gambling regulation and wagering, by providing for sports wagering and fantasy sports contests, providing for taxes and fees, making penalties applicable, and including implementation and effective date provisions. (Formerly SSB 1168, SF 366.) Various effective dates; see sections 23, 46, and 52 of bill.

Senate pass 22-18 Apr 17, 2019

A bill for an act relating to salaries of state elected officials, and including effective date and applicability provisions.

House pass 58-38 Apr 18, 2024

A bill for an act concerning the licensing and regulation of gambling games, including a moratorium on the issuance of new licenses, and including effective date and retroactive applicability provisions.

House pass 69-31 Jan 30, 2025

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 regulation of the transportation of agricultural commodities; the use of agricultural land; and taxation, including property taxes, excise and sales taxes, and income taxes; making penalties applicable; and including effective date and applicability provisions.

House pass 57-34 Apr 8, 2026

A bill for an act relating to gambling regulation and wagering, by providing for sports wagering and fantasy sports contests, providing for taxes and fees, making penalties applicable, and including implementation and effective date provisions. (Formerly SSB 1168, SF 366.) Various effective dates; see sections 23, 46, and 52 of bill.

House pass 60-29 Apr 22, 2019

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 regulation of the transportation of agricultural commodities; the use of agricultural land; and taxation, including property taxes, excise and sales taxes, and income taxes; making penalties applicable; and including effective date and applicability provisions.

House fail 41-48 Apr 8, 2026

A bill for an act relating to gambling regulation and wagering, concerning cashless wagering, forfeiture and withholding of certain gaming winnings, sports wagering, occupational licenses, limitations on gambling game licenses, and simulcasting licensure and taxation, providing penalties and making penalties applicable, and including effective date and retroactive applicability provisions. (Formerly HSB 578.) Effective date: 07/01/2022, 06/17/2022. Applicability date: 06/01/2022.

House pass 68-26 Mar 2, 2022

A bill for an act relating to the regulation of vapor products, and providing penalties.

Senate fail 15-31 Apr 19, 2024

A bill for an act relating to education, including by requiring school engagement meetings and attendance cooperation proceedings when children are absent from school, requiring school districts to restrict student use of cellular phones and smartphones, modifying provisions related to open enrollment of truant students, and modifying penalties.

House pass 73-22 Mar 12, 2024

A bill for an act relating to motor vehicle window tint, and making penalties applicable.

House pass 72-25 Mar 25, 2025

Crossed the Aisle

Legislators who most frequently vote against their own party.

House·109 against party

House·179 against party

House·38 against party

House·87 against party

House·90 against party

House·75 against party

House·70 against party

Senate·162 against party

Senate·32 against party

Senate·32 against party