Illinois 17th — House 2026 Rep Primary
The Illinois 17th — House rep primary is scheduled for March 17, 2026. The model makes Dillan Vancil the heavy favorite at 92%, with Julie Bickelhaupt at 8%. Dillan Vancil 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
- Dillan Vancil — 92%
- Julie Bickelhaupt — 8%
Probabilities update daily from polls, fundraising, endorsements, and historical results. Last updated October 26, 2026.