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

DemocratIn office until January 1, 2027

Marjorie Decker

Massachusetts State Representative, District 83 since 2012. Lost re-election in 2026; leaves office in January 2027. Ran in 8 elections between 2012 and 2024, winning 8.

Massachusetts State Representative, District 83

Official website Wikipedia

In office: 14 yrs; Since 2012
Bills became law: 2; 79 sponsored, 2025–2026 session
Votes missed: 9.4%; Chamber median 0.9%
With party: 100%; On votes splitting the parties
Last margin: +94.4; Won 2024
Elections: 9; 2012–2026

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

Committees

As of 2026-10.

Public Health · chair

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

Legislation

2025–2026 session · 79 sponsored · 2 became law

BillIntroCmteHouseSenateLaw

H 4231 An Act authorizing the city of Cambridge to expand the options available to issue notices of violation for…
Became law Jul 2026

H 4156 An Act establishing a charter for the city of Cambridge
Became law Sep 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Decker sits in the Massachusetts House of Representatives

Decker is closer to the center than 5% of the chamber's Democrats.

Closest: Manny Cruz, Lindsay Sabadosa, Christine Barber

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:51 PM ET

With Decker’s party

Votes with the chamber's Democrats100%
Cosponsorships of the other party's bills1%

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

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

Date	Bill	Decker	Dem. majority	Rep. majority	Result
Jul 22, 2026	H 5595: An Act prioritizing patient access to care	Yes	Yes	No	Passed 119–33
Jul 8, 2026	H 5562: An Act relative to economic development in the commonwealth	Yes	Yes	Yes	Passed 145–6
Jul 1, 2026	H 5555: An Act making appropriations for the fiscal year 2027 for the maintenance of the…	Yes	Yes	Yes	Passed 142–6
Jun 10, 2026	S 2726: An Act regarding free expression	No	No	Yes	Failed 23–133
Apr 28, 2026	H 5500: An Act making appropriations for the fiscal year 2027 for the maintenance of the…	Yes	Yes	No	Passed 136–20

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

Career

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

201220142016201820202022202420262028Massachusetts House of Representatives, District 142 Massachusetts House of Representatives, District 83

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	Massachusetts House of Representatives: 25th Middlesex District	Lost	—	—	—
2024	Massachusetts House of Representatives, District 83	Won	D+94.4	D+88.0	+6.4
2022	Massachusetts House of Representatives, District 83	Won	—	D+90.5	—
2020	Massachusetts House of Representatives, District 142	Won	—	—	—
2018	Massachusetts House of Representatives, District 142	Won	—	—	—
2016	Massachusetts House of Representatives, District 142	Won	—	—	—
2014	Massachusetts House of Representatives, District 142	Won	—	—	—
2014	Massachusetts House of Representatives, District 142 (primary)	Won	+66.7	—	—
2012	Massachusetts House of Representatives, District 142	Won	—	—	—