99chambers

Massachusetts State Senate seat · lines in effect since 2022

Massachusetts State Senate: Cape and Islands District

A district of about 178,000 people, 49% of adults with a bachelor's degree. It votes D+29.1 relative to the nation for president.

Julian Cyr (D) · since Nov 8, 2016Next 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+29.118th most
Democratic
Most DemocraticMost Republican21st seat · the majority lineDistrict D40

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.

20222024
Massachusetts State SenateD+27.4D+24.3

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 D40.

Adults with a bachelor's degree49% 56th pct · 18th of 40 in MA

Higher than 56% of seats.

White adults without a degree41% 67th pct · 14th of 40 in MA

Higher than 67% of seats.

Hispanic residents5% 8th pct · 37th of 40 in MA

Lower than 92% of seats.

Black residents4% 56th pct · 18th of 40 in MA

Higher than 56% of seats.

Asian residents1% 3rd pct · 39th of 40 in MA

Lower than 97% of seats.

People per square mile94 0th pct · 40th of 40 in MA

Least dense of 40 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 D01
41% college gradsD+36.1Held DDistrict D21
57% college gradsD+24.3Held RDistrict D31
57% college gradsD+20.6Held RDistrict D05
46% college gradsD+45.1Held 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. Julian Andre Cyr (D)
    2023– · Won 2022 by 27.4, 2024 by 24.3, 2026 unopposed

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