DemocraticIncumbent
Ron Mariano
- Experience
- State legislature
Massachusetts › Massachusetts House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
Massachusetts House of Representatives: 3rd Norfolk District
Ron Mariano has no major-party opponent.
Ron Mariano has no major-party opponent.
The candidates
The district
Lean D+21: 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
- 42,382
- People per km²
- 1,318
- Adults with a B.A.+
- 46%
- White, no degree
- 34%of adults
- White 60%
- Hispanic 7%
- Black 6%
- Asian 19%
- 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
14,559 votes · Uncontested by the other party✓ Ronald Mariano (D)100.0%
2024 President Vote in this district
18,839 two-party votes · D+18.1 · D+19.6 vs. the nation✓ Kamala Harris (D)59.0%
Donald Trump (R)41.0%
2022
10,085 votes · Uncontested by the other party✓ Ronald Mariano (D)100.0%
2020 Earlier district lines
20,711 votes · D+36.9✓ Ronald Mariano (D)68.5%
Stephen F Tougas (R)31.5%
2020 President Vote in this district
20,137 two-party votes · D+28.4 · D+23.8 vs. the nation✓ Joe Biden (D)64.2%
Donald Trump (R)35.8%
2016 President Vote in this district
17,763 two-party votes · D+19.8 · D+17.5 vs. the nation✓ Hillary Clinton (D)59.9%
Donald Trump (R)40.1%
Also on the ballot in Massachusetts
Neighboring districts
1st NorfolkBruce Ayers—>99%Dem.>99%Dem. 2nd NorfolkTackey ChanSharon Cintolo>99%Dem.>99%Dem. 4th NorfolkJames M. Murphy—>99%Dem.>99%Dem. 5th NorfolkMark Cusack—>99%Dem.>99%Dem. 6th NorfolkSteve Cavey—D vs D>99%Dem.>99%Dem. 7th NorfolkRichard Wells—D vs D>99%Dem.>99%Dem. 7th PlymouthRosemary Aahanna-HillAlyson Sullivan-AlmeidaD flip73%Rep.67%Dem. 10th PlymouthMichelle DuBois—>99%Dem.>99%Dem.