The rating comes from the Crosstab House forecast, which combines the national environment from generic-ballot polling with each district's political lean. Explore the House map.
MA-01 (Safe Democratic) · MA-02 (Safe Democratic) · MA-04 (Safe Democratic) · MA-05 (Safe Democratic) · MA-06 (Safe Democratic) · MA-07 (Safe Democratic) · MA-08 (Safe Democratic) · MA-09 (Safe Democratic)
Crosstab rates Massachusetts's 3rd District Safe Democratic: Democrats have a 100% chance of winning it, and the forecast projects Democrats ahead by 29.2 points.
Lori Trahan (Democrat) is the incumbent.
Updated 2026-10-04 · Crosstab, nonpartisan polling analysis.