Illinois 6th — House 2026 General Election
The Illinois 6th — House general election is on November 3, 2026. The model makes Democrat Sean Casten the heavy favorite at 100%, with Republican Niki Conforti at 0%. 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) — 100%
- Niki Conforti — 0%
Probabilities update daily from polls, fundraising, endorsements, and historical results.