DemocraticIncumbent
Sean Garballey
- Experience
- State legislature
Massachusetts › Massachusetts House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
Massachusetts House of Representatives: 23rd Middlesex District
Sean Garballey has no major-party opponent.
Sean Garballey has no major-party opponent.
The candidates
The district
Lean D+63: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 44,297
- People per km²
- 3,027
- Adults with a B.A.+
- 74%
- White, no degree
- 19%of adults
- White 73%
- Hispanic 6%
- Black 3%
- Asian 13%
- 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
20,994 votes · Uncontested by the other party✓ Sean Garballey (D)100.0%
2024 President Vote in this district
25,031 two-party votes · D+62.8 · D+64.3 vs. the nation✓ Kamala Harris (D)81.4%
Donald Trump (R)18.6%
2022
16,822 votes · Uncontested by the other party✓ Sean Garballey (D)100.0%
2020 Earlier district lines
23,221 votes · Uncontested by the other party✓ Sean Garballey (D)100.0%
2020 President Vote in this district
26,436 two-party votes · D+63.8 · D+59.3 vs. the nation✓ Joe Biden (D)81.9%
Donald Trump (R)18.1%
2016 President Vote in this district
23,695 two-party votes · D+57.2 · D+55.0 vs. the nation✓ Hillary Clinton (D)78.6%
Donald Trump (R)21.4%