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Massachusetts › Massachusetts House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026

Massachusetts House of Representatives: 8th Middlesex District

James Arena-DeRosa has no major-party opponent.

James Arena-DeRosa has no major-party opponent.

Statewide map: Massachusetts House of Representatives

The candidates

The district

Lean D+39: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentD+31.7D+29.5 vs. nation2020 presidentD+42.1D+37.6 vs. nation2024 presidentD+38.2D+39.7 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
47,767
People per km²
256
Adults with a B.A.+
70%
White, no degree
25%of adults
  • White 77%
  • Hispanic 4%
  • Black 1%
  • Asian 12%
  • Other / multiracial 6%

American Community Survey 2020–2024, aggregated from census tracts.

Past results

Results in the same-numbered district; earlier elections may have used different lines.

2024

20,170 votes · Uncontested by the other party
✓ James Arena de Rosa (D)100.0%

2024 President Vote in this district

25,774 two-party votes · D+38.2 · D+39.7 vs. the nation
✓ Kamala Harris (D)69.1%
Donald Trump (R)30.9%

2022

19,863 votes · D+30.1
✓ James Arenaderosa (D)65.0%
Loring Barnes (R)35.0%

2020 Earlier district lines

22,069 votes · Uncontested by the other party
✓ Carolyn C Dykema (D)100.0%

2020 President Vote in this district

25,932 two-party votes · D+42.1 · D+37.6 vs. the nation
✓ Joe Biden (D)71.0%
Donald Trump (R)29.0%

2016 President Vote in this district

21,513 two-party votes · D+31.7 · D+29.5 vs. the nation
✓ Hillary Clinton (D)65.9%
Donald Trump (R)34.1%

Also on the ballot in Massachusetts

U.S. SenateEd MarkeyJohn Deaton>99%Dem.>99%Dem. GovernorMaura HealeyMike Minogue>99%Dem.>99%Dem.

Neighboring districts

5th MiddlesexDavid LinskyLuisa Cestari>99%Dem.>99%Dem. 6th MiddlesexPriscila Sousa—>99%Dem.>99%Dem. 7th MiddlesexJack Patrick Lewis—>99%Dem.>99%Dem. 8th Worcester—Michael Soter>99%Rep.>99%Rep. 9th NorfolkTom MelvilleMarcus VaughnD flipD flip91%Dem.97%Dem. 9th Worcester—David Muradian>99%Rep.>99%Rep. 10th NorfolkJeffrey Roy—>99%Dem.>99%Dem. 10th WorcesterBrian Murray—>99%Dem.>99%Dem. 13th NorfolkJoshua Tarsky—>99%Dem.>99%Dem. 19th WorcesterKate Donaghue—>99%Dem.>99%Dem.