Massachusetts House of Representatives seat · lines in effect since 2022
Massachusetts House of Representatives: 3rd Middlesex District
A district of about 44,000 people, 60% of adults with a bachelor's degree. It votes D+37.0 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.
Democratic
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 61.
Higher than 77% of seats.
Lower than 53% of seats.
Lower than 66% of seats.
Lower than 85% of seats.
Higher than 56% of seats.
Less dense than 70% 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 2955% college gradsD+36.5Held DDistrict 106
62% college gradsD+29.6Held DDistrict 113
69% college gradsD+32.2Held DDistrict 4
57% college gradsD+39.6Held 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.
- Kate Hogan (D)
2023– · Won 2022 by 96.2, 2024 unopposed, 2026 unopposed
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)