Illinois 112026 HOUSE POLLS

2026 Illinois 11th District House Forecast:

The Pollsmax 2026 Illinois 11th District House forecast currently gives Democrat Bill Foster a 96.6% chance of defeating Republican Jeff Walter. Pollsmax projects Foster to receive 59.4% of the vote compared with 40.7% for Walter, a projected Democratic margin of 18.7 percentage points. The model currently rates the race as Solid Democratic. The forecast is updated using 100,000 simulations incorporating polling and race fundamentals. See the Pollsmax forecast methodology.

The 2026 Illinois 11th District House election features Democrat Bill Foster and Republican Jeff Walter. Incumbent Representative Bill Foster is seeking reelection to a tenth term. In 2024, Kamala Harris won Illinois' 11th congressional district by 7.5%, and the election for the district's House seat is rated as solid Democratic in 2026.