Massachusetts House of Representatives seat · lines in effect since 2022

Massachusetts House of Representatives: 12th Bristol District

A district of about 39,000 people, 33% of adults with a bachelor's degree. It votes R+8.6 relative to the nation for president.

Where it sits among all 160 seats

Every Massachusetts House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+8.6158th most
Democratic
Most DemocraticMost Republican81st seat · the majority lineDistrict 21

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

Who lives here, compared

Grey bars show the spread of all 160 seats. Small marks are other seats in Massachusetts. The black marker is District 21.

Adults with a bachelor's degree33% 25th pct · 120th of 160 in MA

Lower than 75% of seats.

White adults without a degree60% 95th pct · 9th of 160 in MA

Higher than 95% of seats.

Hispanic residents4% 11th pct · 143rd of 160 in MA

Lower than 89% of seats.

Black residents3% 47th pct · 85th of 160 in MA

Lower than 53% of seats.

Asian residents1% 3rd pct · 156th of 160 in MA

Lower than 97% of seats.

People per square mile449 14th pct · 137th of 160 in MA

Less dense than 86% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2022.

  1. Norman J. Orrall (R)
    2023– · Won 2022 by 97.0, 2024 unopposed, 2026 unopposed

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