99chambers

Massachusetts State Senate seat · lines in effect since 2022

Massachusetts State Senate: Second Bristol and Plymouth District

A district of about 167,000 people, 25% of adults with a bachelor's degree. It votes D+6.3 relative to the nation for president.

Mark Montigny (D) · since Nov 3, 1992Next election Nov 7, 2028The 2026 race →

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.

D+6.336th most
Democratic
Most DemocraticMost Republican21st seat · the majority lineDistrict D38

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.

2026
Massachusetts State SenateD+27.7

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 D38.

Adults with a bachelor's degree25% 5th pct · 38th of 40 in MA

Lower than 95% of seats.

White adults without a degree53% 90th pct · 5th of 40 in MA

Higher than 90% of seats.

Hispanic residents17% 79th pct · 9th of 40 in MA

Higher than 79% of seats.

Black residents3% 33rd pct · 27th of 40 in MA

Lower than 67% of seats.

Asian residents2% 8th pct · 37th of 40 in MA

Lower than 92% of seats.

People per square mile718 31st pct · 28th of 40 in MA

Less dense than 69% 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 D02
33% college gradsD+10.9Held DDistrict D04
40% college gradsD+9.7Held DDistrict D37
26% college gradsR+4.2CountingDistrict D07
35% college gradsR+3.0Held R

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.

  1. Mark C. Montigny (D)
    2023– · Won 2022 by 94.4, 2024 unopposed, 2026 by 27.7

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)