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Project Curia

Elections · Massachusetts

Massachusetts races

Massachusetts votes on a Senate seat and all 9 House seats this cycle.

The delegation, district by district

10 seats on the ballot
District 8. Stephen Lynch holds the seat and is on the ballot. 7 candidates on file.District 4. Jake Auchincloss holds the seat and is on the ballot. 7 candidates on file.District 9. William Keating holds the seat and is on the ballot. 3 candidates on file.District 6. Seth Moulton holds the seat and is not running for it. 12 candidates on file.District 1. Richard Neal holds the seat and is on the ballot. 7 candidates on file.District 5. Katherine Clark holds the seat and is on the ballot. 4 candidates on file.District 3. Lori Trahan holds the seat and is on the ballot. 4 candidates on file.District 2. James McGovern holds the seat and is on the ballot. 1 candidate on file.District 7. Ayanna Pressley holds the seat and is on the ballot. 2 candidates on file.

Tap or point at a district for the seat and who holds it.

9 Democratic1 not running again

House seats, filled by the party that holds each one today.

Party of the member holding each seat now, never a margin and never a prediction. A hatched district means that member is not on the ballot for it. Boundaries as drawn for the 119th Congress.

How to vote in Massachusetts

  • PrimarySeptember 1, 2026In 4 days
  • General electionNovember 3, 2026In 10 weeks

Register 10 days before the election.

All dates and rules

Massachusetts by the numbers

7.0Mpeople across 9 districts

Median household income$76K to $131K
District 1District 5
Living below the poverty line7.1% to 16.9%
District 6District 7
Without health insurance2.1% to 3.3%
District 6District 7

The lowest and highest of Massachusetts's districts, on the national range for each measure. Census American Community Survey 2024 five year estimates.

What this ballot costs

$47M in play

Of every dollar in Massachusetts's federal races, 1 cents is outside groups spending on their own, not the campaigns. The Senate seat and the whole House map are on one scale.

Raised by candidatesOutside money
The Senate seat$17M
$16M raised by candidates$676K outside money
All 9 House races$30M
$30M raised by candidates$1.4K outside money$3.3M a seat on average

Gifts of $200 or less

$3.8M8%

Larger individual gifts

$24M51%

From PACs

$6.9M15%

Shares of what the campaigns raised themselves. The rest is party money, self funding and transfers.

Incumbents defending a seat

The 9 sitting members on this ballot, what they have raised, and the stock trades they have disclosed.

Who is spending on Massachusetts

$677K outside money

The groups spending independently on Massachusetts's races, by what they have filed. Open a row to see how the money was spent, supporting or opposing each party, and the interest behind the committee.

1 to 5 of 6 groups

How far the money traveled

Most of the outside money on Massachusetts's races comes from groups whose only filings this cycle are here.

Groups spending in other states too
$1.5K0%
Groups spending only in Massachusetts
$672K100%

Groups filing here

6

The widest one reaches

26states

Independent spending filed on Massachusetts's races, by whether the committee is also spending in other states this cycle. A filing records where a group spends, not where its donors live, so this is a measure of reach, never of who paid for it.

Every race on the ballot

Candidates on file with the FEC, not a certified ballot. Each row opens the full field, the money, and the outside spending for that seat.

Candidates and financing from the FEC, public domain. Census context from the American Community Survey, public domain. Dataset built 2026-08-27. Nothing here is a forecast, a grade, or a ranking of candidates.