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Massachusetts › U.S. House of Representatives · November 3, 2026 · Updated Oct 16, 2026

Massachusetts's 5th District

Katherine Clark has no major-party opponent.

Katherine Clark has no major-party opponent.

The candidates

The district

Lean D+48: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentD+47.0D+44.8 vs. nation2020 presidentD+52.0D+47.5 vs. nation2024 presidentD+46.3D+47.8 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
779,404
People per km²
1,256
Adults with a B.A.+
61%
White, no degree
23%of adults
  • White 63%
  • Hispanic 11%
  • Black 5%
  • Asian 14%
  • 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

286,689 votes · Uncontested by the other party
✓ Katherine M. Clark (D)100.0%

2024 President Vote in this district

362,978 two-party votes · D+46.3 · D+47.8 vs. the nation
✓ Kamala Harris (D)73.2%
Donald Trump (R)26.8%

2022

275,485 votes · D+48.1
✓ Katherine M Clark (D)74.0%
Caroline Colarusso (R)26.0%

2020 Earlier district lines

395,778 votes · D+48.8
✓ Katherine M Clark (D)74.4%
Caroline Colarusso (R)25.6%

2020 President Vote in this district

399,927 two-party votes · D+52.0 · D+47.5 vs. the nation
✓ Joe Biden (D)76.0%
Donald Trump (R)24.0%

2018 Earlier district lines

311,099 votes · D+51.9
✓ Katherine M Clark (D)75.9%
John Hugo (R)24.1%

2016 Earlier district lines

285,606 votes · Uncontested by the other party
✓ Katherine M Clark (D)100.0%

2016 President Vote in this district

363,297 two-party votes · D+47.0 · D+44.8 vs. the nation
✓ Hillary Clinton (D)73.5%
Donald Trump (R)26.5%