99chambers

Maine House of Representatives seat · lines in effect since 2022

Maine House District 142

A district of about 7,800 people, 21% of adults with a bachelor's degree. It votes D+1.0 relative to the nation for president.

Anne-Marie Mastraccio (D) · since Nov 6, 2012Next election Nov 7, 2028The 2026 race →

Where it sits among all 151 seats

Every Maine 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+1.077th most
Democratic
Most DemocraticMost Republican76th seat · the majority lineDistrict 142

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.

202220242026
Maine House of RepresentativesD+6.9D+1.4D+24.7

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 151 seats. Small marks are other seats in Maine. The black marker is District 142.

Adults with a bachelor's degree21% 14th pct · 130th of 151 in ME

Lower than 86% of seats.

White adults without a degree70% 81st pct · 30th of 151 in ME

Higher than 81% of seats.

Hispanic residents3% 74th pct · 40th of 151 in ME

Higher than 74% of seats.

Black residents1% 73rd pct · 41st of 151 in ME

Higher than 73% of seats.

Asian residents3% 91st pct · 14th of 151 in ME

Higher than 91% of seats.

People per square mile1,187 89th pct · 18th of 151 in ME

Denser than 89% 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. 1 of the 4 flipped this year.

District 143
27% college gradsR+1.5Flipped DDistrict 59
28% college gradsD+10.4CountingDistrict 26
30% college gradsD+9.3Held DDistrict 96
23% college gradsD+6.3Counting

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. Ayn M. Hanselmann (D)
    2027– · Won 2026 by 24.7
  2. Annemarie Mastraccio (D)
    2023–2027 · Won 2022 by 6.9, 2024 by 1.4

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