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Massachusetts District 5

Congressional District in MA • 3 Counties

Massachusetts's 5th congressional district is represented by Katherine Clark, a Democratic U.S. representative. Clark won the 2024 general election with 98.2% of the vote. The district has 778,640 residents, a median household income of $130,807 and a median age of 39.2, according to the Census Bureau's 2024 American Community Survey 5-year estimates.

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KC

Katherine Clark

Representative for Massachusetts District 5
Democratic13 years in office
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2026 election

FEC filings for the 2026 election. Filing is not ballot access — certified ballots are set by each state.

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District Boundaries

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Demographics

778,640

Total Population

$130,807

Median Household Income

39.2

Median Age

28.9%

College Educated

7.7%

Poverty Rate

Racial & Ethnic Composition

64.5% Whi
4.9% Bla
11.3% His
13.7% Asi

Age Distribution

Median age: 39.2 years | Source: Census ACS 5-Year

Household Income Distribution

Median household income: $130,807 | Source: Census ACS 5-Year

Racial & Ethnic Composition

2024 Election Results

Katherine Clark ran unopposed

291,890 total votes cast

Source: MIT Election Data + Science Lab (MEDSL)

Employment by Occupation

Civilian employed population 16+ | Source: Census ACS 5-Year

Federal Spending

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Relevant Legislation

Quick Facts

Representative

Katherine Clark

Major Counties

Middlesex, Suffolk, Worcester

Major Cities

Cambridge, Somerville, Medford

Neighboring Districts

Sources and method

· ACS 2020–2024 5-year estimates

congress-legislators, MEDSL: CC0 1.0 (public domain dedication) · All other sources: Public domain (17 U.S.C. § 105) · Method: Data sources → · Campaign finance →

The spending narrative is written by AI from USAspending.gov data and is labeled where it appears. It is not a source itself. How we analyze data →

Dates shown where the source reports one. “Loaded” is when CIV.IQ last fetched the record.

Frequently Asked Questions

Who represents Massachusetts District 5?
Katherine Clark (Democrat) currently represents Massachusetts District 5 in the U.S. House of Representatives.
What counties are in Massachusetts District 5?
Massachusetts District 5 includes 3 counties: Middlesex, Suffolk, Worcester.
What are the major cities in Massachusetts District 5?
The major cities in this district include Cambridge, Somerville, Medford.
What is the population of Massachusetts District 5?
Massachusetts District 5 has a population of approximately 778,640 residents.