DemocratIn office since Nov 2022

Mary Madison

Iowa State Representative, District 31 since 2022. Ran in 2 elections between 2022 and 2024, winning 2. Re-elected in 2026. Next on the ballot in 2028.

Iowa State Representative, District 31Born 1950

Official website Wikipedia

In office: 3 yrs; Since 2022
Bills became law: 0; 93 sponsored, 2025–2026 session
Votes missed: 11.5%; Chamber median 3.8%
With party: 97%; On votes splitting the parties
Last margin: +26.4; Won 2026
Next election: 2028; Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

Environmental Protection · ranking member
Economic Growth and Technology
Education
Transportation

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 93 sponsored · 0 became law

No bills in this list for the 2025–2026 session.

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Madison sits in the Iowa House of Representatives

Madison is closer to the center than 18% of the chamber's Democrats.

Closest: Aime Wichtendahl, Dave Jacoby, Angel Ramirez

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:49 PM ET

With Madison’s party

Votes with the chamber's Democrats97%

Black tick: the average of Democrats in the Iowa House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Madison’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

Date	Bill	Madison	Dem. majority	Rep. majority	Result
May 2, 2026	HF 2542: A bill for an act relating to habitual offenders, and providing penalties.	Not voting	No	Yes	Passed 66–20
May 2, 2026	SF 2490: A bill for an act relating to oil and gas production, including filing requirements, the…	Not voting	No	Yes	Passed 65–21
May 2, 2026	HF 2771: A bill for an act relating to and making appropriations involving state government…	No	No	Yes	Passed 66–18
May 2, 2026	SF 2472: A bill for an act relating to state and local government taxes, fees, financial…	No	No	Yes	Passed 62–22
Apr 29, 2026	SF 2218: A bill for an act relating to state regulatory compliance and eligibility requirements,…	No	No	Yes	Passed 71–20

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Madison was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

2022202320242025202620272028Iowa House of Representatives, District 31

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2026	Iowa House of Representatives, District 31	Won	D+26.4	D+15.2	+11.2
2024	Iowa House of Representatives, District 31	Won	—	D+15.2	—
2022	Iowa House of Representatives, District 31	Won	D+13.0	D+18.1	−5.1