Massachusetts State Senate seat · lines in effect since 2022
Massachusetts State Senate: First Middlesex District
A district of about 179,000 people, 34% of adults with a bachelor's degree. It votes D+13.6 relative to the nation for president.
Where it sits among all 40 seats
Every Massachusetts State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | 2026 | |
|---|---|---|
| Massachusetts State Senate | D+27.2 | D+31.9 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 40 seats. Small marks are other seats in Massachusetts. The black marker is District D11.
Lower than 82% of seats.
Higher than 56% of seats.
Higher than 74% of seats.
Higher than 79% of seats.
Higher than 92% of seats.
Denser than 62% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District D3247% college gradsD+17.0Held DDistrict D08
49% college gradsD+22.6Held DDistrict D33
48% college gradsD+22.7Held DDistrict D35
51% college gradsD+18.3Held D
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Who has held it
These lines took effect in 2022.
- Vanna Howard (D)
2027– · Won 2026 by 31.9 - Edward J. Kennedy Jr. (D)
2023–2027 · Won 2022 by 94.8, 2024 by 27.2
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)