Illinois 172026 HOUSE POLLS

2026 Illinois 17th District House Forecast:

The Pollsmax 2026 Illinois 17th District House forecast currently gives Democrat Eric Sorensen a 96% chance of defeating Republican Dillan Vancil. Pollsmax projects Sorensen to receive 58% of the vote compared with 42.1% for Vancil, a projected Democratic margin of 15.9 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 17th District House election features Democrat Eric Sorensen and Republican Dillan Vancil. Incumbent Representative Eric Sorensen is seeking reelection to a third term. In 2024, Kamala Harris won Illinois' 17th congressional district by 1.5%, and the election for the district's House seat is rated as solid Democratic in 2026.