Illinois 6th — House 2026 General Election
The Illinois 6th — House general election is on November 3, 2026. The model makes Democrat Sean Casten the clear favorite at 78%, ahead of Republican Niki Conforti at 22%. Sean Casten is the incumbent, leads the field in reported fundraising, and has the most tracked endorsements. No public polling is available for this race, so the forecast leans on fundraising, endorsements, candidate profiles, and historical results.
Current win probabilities
- Sean Casten (incumbent) — 78%
- Niki Conforti — 22%
Probabilities update daily from polls, fundraising, endorsements, and historical results. Last updated July 23, 2026.