99chambers

Massachusetts House of Representatives seat · lines in effect since 2022

Massachusetts House of Representatives: 7th Plymouth District

A district of about 43,000 people, 35% of adults with a bachelor's degree. It votes R+1.4 relative to the nation for president.

Alyson Sullivan-Almeida (R) · since Nov 6, 2018Next 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.

R+1.4149th most
Democratic
Most DemocraticMost Republican81st seat · the majority lineDistrict 117

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 House of RepresentativesR+17.2

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 117.

Adults with a bachelor's degree35% 30th pct · 113th of 160 in MA

Lower than 70% of seats.

White adults without a degree56% 91st pct · 15th of 160 in MA

Higher than 91% of seats.

Hispanic residents5% 29th pct · 114th of 160 in MA

Lower than 71% of seats.

Black residents1% 16th pct · 135th of 160 in MA

Lower than 84% of seats.

Asian residents2% 23rd pct · 124th of 160 in MA

Lower than 77% of seats.

People per square mile1,419 46th pct · 87th of 160 in MA

Less dense than 54% 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 14
35% college gradsR+4.9CountingDistrict 149
39% college gradsR+0.5Held RDistrict 47
34% college gradsR+0.5Held RDistrict 148
39% college gradsD+1.3Counting

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. Alyson M. Sullivan Almeida (R)
    2025– · Won 2024 unopposed
  2. Alyson M. Sullivan (R)
    2023–2025 · Won 2022 by 50.7

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