DemocraticIncumbentCandidate
Marjorie Decker
Incumbent state representative (2013–present)
- Experience
- State legislature
Massachusetts › Massachusetts House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
Massachusetts House of Representatives: 25th Middlesex District
D vs DSame-party general election. Two Democrats advanced to November: the seat stays Democratic.
Marjorie Decker has no major-party opponent.
Marjorie Decker has no major-party opponent.
The candidates
DemocraticCandidate
Evan MacKay
Union organizer and candidate for this seat in 2024
- Experience
- No elected office
The district
Lean D+89: 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
- 42,615
- People per km²
- 9,261
- Adults with a B.A.+
- 87%
- White, no degree
- 6%of adults
- White 58%
- Hispanic 8%
- Black 8%
- Asian 19%
- Other / multiracial 7%
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
14,074 votes · Uncontested by the other party✓ Marjorie C Decker (D)97.5%
Evan Mackay (D)2.5%
2024 President Vote in this district
16,306 two-party votes · D+88.0 · D+89.5 vs. the nation✓ Kamala Harris (D)94.0%
Donald Trump (R)6.0%
2022
11,018 votes · Uncontested by the other party✓ Marjorie C Decker (D)100.0%
2020 Earlier district lines
16,168 votes · Uncontested by the other party✓ Marjorie C Decker (D)100.0%
2020 President Vote in this district
18,607 two-party votes · D+90.5 · D+85.9 vs. the nation✓ Joe Biden (D)95.2%
Donald Trump (R)4.8%
2016 President Vote in this district
18,194 two-party votes · D+90.7 · D+88.5 vs. the nation✓ Hillary Clinton (D)95.4%
Donald Trump (R)4.6%