Leaving office January 1, 2027.Lost re-election in 2026. This page switches to the former-officeholder layout when the term ends.

RepublicanIn office until January 1, 2027

Matthew Rinker

Iowa State Representative, District 99 since 2022. Lost re-election in 2026; leaves office in January 2027.

Iowa State Representative, District 99Born 1984

Official website Wikipedia

In office: 3 yrs; Since 2022
Bills became law: 0; 39 sponsored, 2025–2026 session
Votes missed: 22.7%; Chamber median 3.8%
With party: 85%; On votes splitting the parties
Last margin: −10.1; Lost 2026

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

Committees

As of 2026-10.

Labor and Workforce
Public Safety
Veterans Affairs

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

Legislation

2025–2026 session · 39 sponsored · 0 became law

BillIntroCmteHouseSenateLaw

HF 2132 A bill for an act providing for a waiver of tuition and mandatory fees at regents institutions for certain…
colleges and universities · Failed in the House Mar 2026

HF 2370 A bill for an act relating to a green alert system for missing at-risk veterans, and making penalties…
law enforcement · Failed in the House Feb 2026

HF 965 A bill for an act relating to the adoption tax credit available against the individual income tax, and…
adoptions · Failed in the House May 2025

HF 966 A bill for an act exempting the sale of dietary supplements from the sales tax.
sales taxes · Failed in the House Apr 2025

HF 964 A bill for an act exempting the sale of toilet paper from the sales tax.
paper · Failed in the House Apr 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Rinker sits in the Iowa House of Representatives

Rinker is closer to the center than 97% of the chamber's Republicans.

Closest: David Blom, Brian Lohse, Chad Ingels

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

With Rinker’s party

Votes with the chamber's Republicans85%

Black tick: the average of Republicans 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: Rinker’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

Date	Bill	Rinker	Rep. majority	Dem. majority	Result
May 2, 2026	HF 2542: A bill for an act relating to habitual offenders, and providing penalties.	Yes	Yes	No	Passed 66–20
May 2, 2026	SF 2490: A bill for an act relating to oil and gas production, including filing requirements, the…	Yes	Yes	No	Passed 65–21
May 2, 2026	HF 2771: A bill for an act relating to and making appropriations involving state government…	Yes	Yes	No	Passed 66–18
May 2, 2026	SF 2472: A bill for an act relating to state and local government taxes, fees, financial…	No	Yes	No	Passed 62–22
Apr 29, 2026	SF 2218: A bill for an act relating to state regulatory compliance and eligibility requirements,…	Yes	Yes	No	Passed 71–20

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

Career

Offices held, and every time Rinker 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 99

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 District 99	Lost	D+10.1	R+8.4	−18.5
2024	Iowa House of Representatives, District 99	Won	R+11.4	—	—
2022	Iowa House of Representatives, District 99	Won	R+4.4	—	—