Bill Keating*
DEMOCRATIC
US House of Representatives (D-MA)
2011 – Present
Massachusetts9th District2026 HOUSE FORECAST
Tyler Macallister
REPUBLICAN
Mattapoisett Selectman
2026 Massachusetts 9th District House Forecast:
Proprietary forecast for Massachusetts's 9th congressional district House election between Democrat Bill Keating and Republican Tyler Macallister. This page will update with a daily set of 100,000 new simulations as race fundamentals change in order to produce race odds, projected margin, and forecasted vote share. This page also includes polling averages when available.
The 2026 Massachusetts 9th District House election features Democrat Bill Keating and Republican Tyler Macallister. Incumbent Representative Bill Keating is seeking reelection to a ninth term. In 2024, Kamala Harris won Massachusetts' 9th congressional district by 2.5%, and the election for the district's House seat is rated as solid Democratic in 2026.
- Year
- 2026
- Race
- House
- District
- MA-9
- Democratic candidate
- Bill Keating
- Republican candidate
- Tyler Macallister
- Incumbent / open seat
- Bill Keating
- Forecast rating
- Solid D
- Projected vote
- 58.6% D / 41.4% R
- Projected margin
- D +17.2
- Forecast odds
- 96.6% D / 3.4% R
- Forecast last updated
- 12:00 AM on July 2, 2026
- Polling average
- —
- Polling average margin
- —
- Polling last updated
- —
- Polls included
- 0
- Latest poll
- —