Massachusetts 3rd District
Currently held by a Democrat · incumbent running
Democrat
Lori Trahan
99.8%
Republican
Gary Grossi
0.2%
ForecastSafe D
- Projected margin
- D+34.8
- 80% range
- D+20.9 to D+48.8
- Partisan lean
- D+21.9
- Uncertainty multiplier
- 1.80×
The 80% range comes from 200,000 simulations in which this race’s error is correlated with every other race through the national, state and demographic layers.
How the estimate is built
100.0%
Fundamentals 100.0%
- Polling average
- no polls
- Fundamentals
- D+35.4
- Blended
- D+35.4
- Similar-race shift
- −2.0
Polling
No public polling of this matchup. The forecast rests on fundamentals plus the polling residuals of demographically and politically similar races — which is the normal case: most of the 435 House seats are never polled.
Fundamentals
- Partisan lean
- D+21.9
- Elasticity
- 1.11
- Incumbency
- +3.4
- Candidate experience
- 0.0
- Fundraising
- +4.5
- National environment
- D+5.3
- Expected margin
- D+37.4