Massachusetts District 6

MA-06 • 2026 Election
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Primary

Democratic Primary

Held September 1, 2026.

CandidateVotes%
Dan Koh 47,326 41.0%
Tram T. Nguyen 33,991 29.5%
John A. Beccia, III 13,972 12.1%
Jamie Belsito 11,146 9.7%
Mariah L. Lancaster 4,615 4.0%
Bethany Andres-Beck 4,292 3.7%

Republican Primary

Held September 1, 2026.

CandidateVotes%
Micah Quinney Jones ✓ 10,873 100.0%

Full calendar and every race: Massachusetts primary guide

Race Overview

Incumbent
OPEN (Seth Moulton)
Party
Democrat
Current Rating
Safe D expert avg
State delegation
9D - 0R
Open Seat
Yes
Cook PVI
D+12

These polls test pre-primary pairings. The PollingSource average is an average of those polls, not a forecast.

Race Ratings

Cook Political Report

Solid D

Candidates

Micah Q. Jones Nominee

Republican
Total Raised: $586,091
Cash on Hand: $215,471

Beth Andres-Beck

Democrat
Total Raised: $389,868
Cash on Hand: $2,107
Daniel Arrigg Koh

Daniel Arrigg Koh

Democrat
Total Raised: $5,251,469
Cash on Hand: $999,275
Jamie Marie Zahlaway Belsito

Jamie Marie Zahlaway Belsito

Democrat
Total Raised: $371,507
Cash on Hand: $4,497

John Beccia

Democrat
Total Raised: $5,197,587
Cash on Hand: $13,117

Mariah Lancaster

Democrat
Total Raised: $383,828
Cash on Hand: $23,222
Tram Nguyen

Tram Nguyen

Democrat
Total Raised: $1,079,060
Cash on Hand: $25,258

Average is the unweighted mean of the last three scientific public polls. Fewer than three uses the polls that exist. The rating uses that average when the newest poll ended in the last 30 days. The table lists the polls in that average, plus the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →

No polls in the last 90 days.

Questions About This Race

Who is winning the 2026 MA-06 House race?

Listed poll pairings are pre-primary tests, not a general-election matchup. There is no PollingSource average for a locked general pairing yet.

Is the 2026 MA-06 House race competitive?

No — the expert consensus rates it Safe D for Democrats.

When is the 2026 MA-06 House race decided?

Election Day is Tuesday, November 3, 2026.

How is the PollingSource average calculated?

The PollingSource average is the unweighted mean of the last three scientific public polls, or fewer when fewer exist. One poll sets the rating when it ended in the last 30 days. We do not exclude pollsters. The table lists recent polls, including ones older than those three. Full details: pollingsource.com/methodology.

Race News

No news coverage yet for this race.

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