November 3, 2026Updated daily

Massachusetts · District 4

Auchincloss wins 100 of 100 simulated elections

The simulation rates MA-4 safe Democratic. The middle simulated result is D+29.9, and 8 in 10 fall between D+18.1 and D+41.6.

DEM WINS

REP WINS

100

0

of 100 simulations, 3 Nov

Jake Auchincloss (D) vs. Tom Stalcup (R)

Margin, 8 in 10 simulated elections

R+45EvenD+45

Beside the benchmarks

Our simulation, Nov. 3
Auchincloss 100 in 100
Statistics only, no simulation
Auchincloss 100 in 100
Expert ratings, averaged
Safe D
Incumbent
Jake Auchincloss (D)

Statistics only: every benchmark calls this seat safe.

Over time

Auchincloss's chance in 100

The shaded band is the toss-up zone, 45 to 55.

025507510012 Oct13 Oct100

Other seats in Massachusetts

Social simulation, not a pollTue, 13 Oct 2026