Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.
DemocratIn office until January 1, 2027

Jo Comerford

Massachusetts State Senator, District D05 since 2018. Did not run for re-election in 2026; leaves office in January 2027. Ran in 4 elections between 2018 and 2024, winning 4.

Massachusetts State Senator, District D05

In office
7 yrs
Since 2018
Bills became law
1
77 sponsored, 2025–2026 session
Elections
4
2018–2024
Won
4
generals, primaries and specials

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Agriculture and Fisheries · vice chair
  • Higher Education · chair
  • Steering and Policy · vice chair
  • Ways and Means · vice chair
  • Ways and Means · vice chair
  • Climate Change and Global Warming
  • Post Audit and Oversight
  • Racial Equity, Civil Rights and Inclusion

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

Legislation

2025–2026 session · 77 sponsored · 1 became law
BillIntroCmteSenateHouseLaw
S 3181 An Act providing equal opportunity for residents to vote on establishment of the Great River Regional School…
Became law Aug 2026

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

Career

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

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.

YearRaceResultMarginSeat+/−
2024Massachusetts State Senate, SD-D05Won—D+43.6—
2022Massachusetts State Senate, SD-D05Won—D+49.9—
2020Massachusetts State Senate, District 6Won———
2018Massachusetts State Senate, District 6Won———

Source: 99chambers results archive

Seats Comerford has held

Source: 99chambers results archive

How we know Comerford

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET