99chambers

Massachusetts House of Representatives seat · lines in effect since 2022

Massachusetts House of Representatives: 11th Middlesex District

A district of about 47,000 people, 81% of adults with a bachelor's degree. It votes D+65.6 relative to the nation for president.

Amy Sangiolo (D) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

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+65.616th most
Democratic
Most DemocraticMost Republican81st seat · the majority lineDistrict 69

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
Massachusetts House of RepresentativesD+62.5

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 160 seats. Small marks are other seats in Massachusetts. The black marker is District 69.

Adults with a bachelor's degree81% 96th pct · 7th of 160 in MA

Higher than 96% of seats.

White adults without a degree13% 10th pct · 144th of 160 in MA

Lower than 90% of seats.

Hispanic residents5% 21st pct · 126th of 160 in MA

Lower than 79% of seats.

Black residents3% 39th pct · 98th of 160 in MA

Lower than 61% of seats.

Asian residents15% 84th pct · 26th of 160 in MA

Higher than 84% of seats.

People per square mile5,976 76th pct · 39th of 160 in MA

Denser than 76% 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 82
80% college gradsD+66.2Held DDistrict 81
74% college gradsD+63.1Held DDistrict 140
73% college gradsD+64.0Held DDistrict 70
84% college gradsD+63.9Held 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.

  1. Amy Mah Sangiolo (D)
    2025– · Won 2024 by 62.5, 2026 unopposed
  2. Kay S. Khan (D)
    2023–2025 · Won 2022 by 96.6

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