99chambers
Still countingUnofficial results

Massachusetts House of Representatives: 6th Worcester District

Massachusetts House of Representatives · Massachusetts

John Marsi leads Jeanne Renaud Costello by 16.6 points with 100% of the expected vote counted. The race has not been called.

John MarsiRepublican · leading · incumbent
58.3%8,536
Jeanne Renaud CostelloDemocrat
41.7%6,101
100% of the expected vote counted · 14,637 votes

Source: civicAPI unofficial results and race callsUpdated Nov 6, 2026, 12:39 AM ET

Where the race moved

Against the 2024 presidential vote

The seat's recent races

EvenR+23.92024 HouseR+7.42024 Pres.R+16.62026 House

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)

Money in this race

Each line compares the two campaigns on one scale.

Jeanne Renaud CostelloJohn Marsi
$1.2K
Raised by the campaign
$15.4K
$367
Spent by the campaign
$15.6K
$1K
Cash on hand
$17.6K

Campaign money: Massachusetts Office of Campaign and Political Finance, through Sep 30, 2026; Massachusetts Office of Campaign and Political Finance, through Oct 24, 2026.

Source: Massachusetts Office of Campaign and Political Finance campaign filingsUpdated Sep 30, 2026

Pre-election forecast (final, Nov 3)

Our model's last run before Election Day, Nov 3, 2026. It no longer updates.

Jeanne Renaud Costello
24%
John Marsi
76%
Projected margin
R+5.5
How the forecast works →

The candidates

John Marsi (R)
Incumbent, Massachusetts House of Representatives, first elected 2024Jeanne Renaud Costello (D)