99chambers

U.S. House seat · lines in effect since 2022

Massachusetts's 1st District

A district of about 775,000 people, 32% of adults with a bachelor's degree. It votes D+16.0 relative to the nation for president.

Richard E. Neal (D) · since Jan 3, 1989Next election Nov 7, 2028The 2026 race →
MA-1

Where it sits among all 435 seats

Every U.S. House 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+16.0137th most
Democratic
Most DemocraticMost Republican218th seat · the majority line7582643MA-19

Labels below the bar mark 8 other seats in Massachusetts.

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
U.S. HouseD+23.1

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 435 seats. Small marks are other seats in Massachusetts. The black marker is MA-1.

Adults with a bachelor's degree32% 45th pct · 9th of 9 in MA

Lower than 55% of seats.

White adults without a degree48% 72nd pct · 1st of 9 in MA

Higher than 72% of seats.

Hispanic residents19% 65th pct · 3rd of 9 in MA

Higher than 65% of seats.

Black residents5% 41st pct · 3rd of 9 in MA

Lower than 59% of seats.

Asian residents2% 34th pct · 8th of 9 in MA

Lower than 66% of seats.

People per square mile338 51st pct · 8th of 9 in MA

Denser than 51% 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.

OR-6
21% Hispanic · 36% college gradsD+11.9Held DRI-2
37% college gradsD+8.9Held DCT-2
40% college gradsD+8.9Held DIL-14
24% Hispanic · 34% college gradsD+6.8Held 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. Richard E. Neal (D)
    2023– · Won 2022 by 23.1, 2024 by 25.2, 2026 by 30.9

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