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

Massachusetts House of Representatives: 10th Middlesex District

D vs D

Same-party general election. Two Democrats advanced to November: the seat stays Democratic.

John J. Lawn has no major-party opponent.

John J. Lawn has no major-party opponent.

The candidates

DemocraticCandidate

Alison Leary

The district

Lean D+47: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentD+47.7D+45.5 vs. nation2020 presidentD+51.3D+46.8 vs. nation2024 presidentD+45.1D+46.6 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
34,650
People per km²
2,753
Adults with a B.A.+
59%
White, no degree
24%of adults
  • White 59%
  • Hispanic 12%
  • Black 8%
  • Asian 14%
  • Other / multiracial 8%

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

13,208 votes · Uncontested by the other party
✓ John J Lawn Jr (D)100.0%

2024 President Vote in this district

16,815 two-party votes · D+45.1 · D+46.6 vs. the nation
✓ Kamala Harris (D)72.5%
Donald Trump (R)27.5%

2022

9,979 votes · Uncontested by the other party
✓ John J Lawn Jr (D)100.0%

2020 Earlier district lines

20,269 votes · Uncontested by the other party
✓ William "smitty" Pignatelli (D)100.0%

2020 President Vote in this district

18,147 two-party votes · D+51.3 · D+46.8 vs. the nation
✓ Joe Biden (D)75.7%
Donald Trump (R)24.3%

2016 President Vote in this district

16,414 two-party votes · D+47.7 · D+45.5 vs. the nation
✓ Hillary Clinton (D)73.9%
Donald Trump (R)26.1%