DemocratIn office since Nov 2022

Martha Marx

Connecticut State Senator, District 20 since 2022. Ran in 4 elections between 2018 and 2024, winning 2. Re-elected in 2026. Next on the ballot in 2028.

Connecticut State Senator, District 20Born 1963

Official website Wikipedia

In office: 3 yrs; Since 2022
Bills became law: 23; 95 sponsored, 2025–2026 session
Votes missed: 2.4%; Chamber median 1.5%
With party: 100%; On votes splitting the parties
Last margin: +18.2; 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.

Housing · co-chair
Public Health · vice chair
Aging
Appropriations
Children
Insurance and Real Estate

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

Legislation

2025–2026 session · 95 sponsored · 23 became law

BillIntroCmteSenateHouseLaw

SB 191 AN ACT CONCERNING THE PSYCHEDELIC-ASSISTED THERAPY PILOT PROGRAM.
Drugs · Became law Jun 2026

SB 125 AN ACT REQUIRING NURSING HOMES TO ANNUALLY REPORT CERTAIN OWNERSHIP INFORMATION REGARDING INVESTMENT…
Financial disclosure · Became law Jun 2026

HB 5340 AN ACT CONCERNING RENEWABLE POWER GENERATION.
Administrative Services, Department of · Became law Jun 2026

HB 5485 AN ACT CONCERNING SUPPORTED DECISION-MAKING STUDY.
Aging and Disability Services, Department of · Became law Jun 2026

HB 5561 AN ACT CONCERNING A FIVE-YEAR MEDICAID RATE REVIEW, DENTAL REPRESENTATION ON A MEDICAL ASSISTANCE OVERSIGHT…
Audits · Became law Jun 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Marx sits in the Connecticut State Senate

Marx is closer to the center than 40% of the chamber's Democrats.

Closest: Rick Lopes, Doug McCrory, Gary Winfield

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:47 PM ET

With Marx’s party

Votes with the chamber's Democrats100%

Black tick: the average of Democrats in the Connecticut State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

Date	Bill	Marx	Dem. majority	Rep. majority	Result
May 6, 2026	SB 477: AN ACT CONCERNING THE FAILURE TO FILE FOR CERTAIN GRAND LIST EXEMPTIONS, A MUNICIPAL…	Yes	Yes	No	Passed 26–9
May 6, 2026	HB 5340: AN ACT CONCERNING RENEWABLE POWER GENERATION.	Yes	Yes	No	Passed 27–9
May 5, 2026	HB 5581: AN ACT AMENDING A PRIOR CONVEYANCE OF A PARCEL OF STATE LAND TO THE TOWN OF ROCKY HILL.	Yes	Yes	No	Passed 27–9
May 4, 2026	HB 5468: AN ACT CONCERNING THE PROVISION OF PARENT-MANAGED LEARNING.	Yes	Yes	No	Passed 22–14
May 2, 2026	SB 1: AN ACT MAKING ADJUSTMENTS TO THE STATE BUDGET FOR THE BIENNIUM ENDING JUNE 30, 2027, MAKING…	Yes	Yes	No	Passed 30–6

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

Career

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

20182019202020212022202320242025202620272028Connecticut State Senate, District 20

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	Connecticut State Senate, District 20	Won	D+18.2	D+17.8	+0.4
2024	Connecticut State Senate, District 20	Won	D+12.3	D+17.8	−5.5
2022	Connecticut State Senate, District 20	Won	D+4.5	D+22.0	−17.5
2020	Connecticut State Senate, District 20	Lost	R+2.3	—	—
2018	Connecticut State Senate, District 20	Lost	R+4.0	—	—