Massachusetts House of Representatives seat · lines in effect since 2022

Massachusetts House of Representatives: 15th Worcester District

A district of about 48,000 people, 38% Hispanic, 29% of adults with a bachelor's degree. It votes D+35.8 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.

D+35.861st most
Democratic
Most DemocraticMost Republican81st seat · the majority lineDistrict 156

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 156.

Adults with a bachelor's degree29% 17th pct · 133rd of 160 in MA

Lower than 83% of seats.

White adults without a degree25% 32nd pct · 109th of 160 in MA

Lower than 68% of seats.

Hispanic residents38% 94th pct · 11th of 160 in MA

Higher than 94% of seats.

Black residents11% 87th pct · 21st of 160 in MA

Higher than 87% of seats.

Asian residents9% 70th pct · 48th of 160 in MA

Higher than 70% of seats.

People per square mile11,354 89th pct · 18th of 160 in MA

Denser than 89% 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. Democratic (D)
    2027– · Won 2026 unopposed
  2. Mary S. Keefe (D)
    2023–2027 · Won 2022 by 93.6, 2024 unopposed

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