99chambers

Massachusetts House of Representatives seat · lines in effect since 2022

Massachusetts House of Representatives: 12th Worcester District

A district of about 41,000 people, 45% of adults with a bachelor's degree. It votes D+15.6 relative to the nation for president.

Meg Kilcoyne (D) · since Nov 3, 2020Next 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+15.6105th most
Democratic
Most DemocraticMost Republican81st seat · the majority lineDistrict 153

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.

20222026
Massachusetts House of RepresentativesD+20.7D+25.6

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 153.

Adults with a bachelor's degree45% 48th pct · 84th of 160 in MA

Lower than 52% of seats.

White adults without a degree44% 66th pct · 55th of 160 in MA

Higher than 66% of seats.

Hispanic residents11% 66th pct · 55th of 160 in MA

Higher than 66% of seats.

Black residents2% 23rd pct · 123rd of 160 in MA

Lower than 77% of seats.

Asian residents1% 14th pct · 138th of 160 in MA

Lower than 86% of seats.

People per square mile384 10th pct · 144th of 160 in MA

Less dense than 90% 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 3
47% college gradsD+18.7CountingDistrict 59
46% college gradsD+10.1CountingDistrict 111
49% college gradsD+10.1Held DDistrict 45
49% college gradsD+10.2Counting

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. Meghan Kilcoyne (D)
    2023– · Won 2022 by 20.7, 2024 unopposed

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