Massachusetts House of Representatives seat · lines in effect since 2022
Massachusetts House of Representatives: 18th Essex District
A district of about 38,000 people, 71% of adults with a bachelor's degree. It votes D+23.0 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
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2022 | 2026 | |
|---|---|---|
| Massachusetts House of Representatives | D+20.8 | D+23.4 |
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 41.
Higher than 87% of seats.
Lower than 73% of seats.
Lower than 67% of seats.
Lower than 58% of seats.
Higher than 82% of seats.
Less dense than 75% 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 6069% college gradsD+33.9Held DDistrict 79
65% college gradsD+33.2Held DDistrict 126
74% college gradsD+32.7Held DDistrict 66
70% college gradsD+39.1Held 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.
- Connor Murray (D)
2027– · Won 2026 by 23.4 - Tram T. Nguyen (D)
2023–2027 · Won 2022 by 20.8, 2024 unopposed
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)