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Boston Metro Congressional Races

U.S. House Elections • 2018-2024 • MA-03 through MA-09

Congressional vs. Presidential: The Gap

In 2024, 11 Boston metro towns voted for Trump in the presidential race—but all 7 congressional districts elected Democrats. This split-ticket voting reveals a key insight: voters distinguish between national and local representation.

MA-09 is the exception: The only competitive district, where Keating (D) beat Sullivan (R) by just 13 points. This South Shore/Cape district includes Hanson (R+11 presidential), Plymouth, and Marshfield—making it Massachusetts' swing district for congressional races.

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2024 Race Competitiveness

Competitive = margin <20 points. Most MA congressional races are non-competitive.

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Select a specific district to view its historical trend

2024 Results • 7 Districts

District	Democrat	Dem %	Republican	GOP %	Margin	Status
MA-03 Lowell, Lawrence, Haverhill	Lori Trahan	97.5%	Write-ins	—	D+97.5	Unopposed
MA-04 Newton, Brookline, Wellesley	Jake Auchincloss	62.0%	Republican	38.0%	D+24.0	Likely D
MA-05 Lexington, Arlington, Belmont	Katherine Clark	72.0%	Republican	28.0%	D+44.0	Likely D
MA-06 Salem, Lynn, Marblehead	Seth Moulton	97.8%	Write-ins	—	D+97.8	Unopposed
MA-07 Cambridge, Somerville, Chelsea	Ayanna Pressley	97.0%	Write-ins	—	D+97.0	Unopposed
MA-08 Quincy, Braintree, Brockton	Stephen Lynch	68.0%	Republican	32.0%	D+36.0	Likely D
MA-09 Hingham, Cohasset, Plymouth	Bill Keating	56.4%	Dan Sullivan	43.4%	D+13.0	Competitive

District Profiles

MA-03 - Third District

Lori Trahan (D) • Since 2018

Gateway Cities & outer suburbs - Working-class shift toward Republicans in 2024 presidential

2024: D+97.5Key Towns: Lowell, Lawrence

MA-04 - Fourth District

Jake Auchincloss (D) • Since 2020

Wealthy western/southern suburbs - Consistently Democratic, high education

2024: D+24.0Key Towns: Newton, Brookline

MA-05 - Fifth District

Katherine Clark (D) • Since 2013

Affluent Route 128 corridor - Strong Democratic, tech-heavy, highly educated

2024: D+44.0Key Towns: Lexington, Arlington

MA-06 - Sixth District

Seth Moulton (D) • Since 2014

North Shore mix - Some Republican-leaning towns (Saugus, Lynnfield) but district stays blue

2024: D+97.8Key Towns: Salem, Lynn

MA-07 - Seventh District

Ayanna Pressley (D) • Since 2018

Urban core - Most Democratic district in Massachusetts, progressive stronghold

2024: D+97.0Key Towns: Cambridge, Somerville

MA-08 - Eighth District

Stephen Lynch (D) • Since 2001

South Boston & suburbs - Working-class Democratic, but trending right in some towns

2024: D+36.0Key Towns: Quincy, Braintree

MA-09 - Ninth District

Bill Keating (D) • Since 2010

Competitive

South Shore & Cape - ONLY competitive district, multiple Trump-voting towns, swing potential

2024: D+13.0Key Towns: Hingham, Cohasset

Related Resources

Presidential Voting Patterns

Explore how 100 Boston metro towns voted in presidential elections (2016-2024). See split-ticket patterns.

Town Comparison Tool

Compare demographics, schools, prices, and voting patterns side-by-side

Data Notes

•Verified District Data: All district-level results from MA Secretary of Commonwealth certified results (2018-2024).
•Unopposed Races: When candidates run unopposed, they receive 97%+ of votes (remainder are write-ins). This is shown as 0% for opposition.
•Town-Level Congressional Data: Currently not available—official sources publish district-level totals only. Use presidential voting page for town-level analysis.
•District Boundaries: MA-03 through MA-09 boundaries were redrawn after 2020 census. Pre-2022 data uses old boundaries.

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For informational purposes only. Not professional real estate, financial, or legal advice.