DemocraticIncumbent
Thomas M. Stanley
- Experience
- State legislature
Massachusetts › Massachusetts House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
Massachusetts House of Representatives: 9th Middlesex District
Thomas M. Stanley has no major-party opponent.
Thomas M. Stanley has no major-party opponent.
The candidates
The district
Lean D+38: 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
- 49,585
- People per km²
- 1,728
- Adults with a B.A.+
- 59%
- White, no degree
- 27%of adults
- White 61%
- Hispanic 15%
- Black 7%
- Asian 13%
- Other / multiracial 5%
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
18,513 votes · D+55.7✓ Thomas M Stanley (D)72.7%
Carly Marie Downs (R)20.7%
Sean Diamond (—)6.6%
2024 President Vote in this district
19,203 two-party votes · D+37.1 · D+38.6 vs. the nation✓ Kamala Harris (D)68.5%
Donald Trump (R)31.5%
2022
22,938 votes · Uncontested by the other party✓ David Biele (D)50.4%
Thomas M Stanley (D)49.6%
2020 Earlier district lines
21,169 votes · Uncontested by the other party✓ Thomas M Stanley (D)73.6%
George A Darcy III (—)26.4%
2020 President Vote in this district
20,930 two-party votes · D+41.7 · D+37.2 vs. the nation✓ Joe Biden (D)70.8%
Donald Trump (R)29.2%
2016 President Vote in this district
18,450 two-party votes · D+35.5 · D+33.3 vs. the nation✓ Hillary Clinton (D)67.7%
Donald Trump (R)32.3%