Sean Casten (D)
Sean Casten is the Democrat running for the U.S. House in IL-06 in 2026.
- Race
- Illinois House IL-06 · November 3, 2026
- Party
- Democratic
- Betting markets
- 99% chance
- Campaign money
- Raised $2.5 million, spent $2.2 million FEC · incumbent
Opponents in this race
- Niki Conforti (R)
Polls, odds and results for the race → · All Illinois races →
Sources: civicAPI results; Polling Desk polling average; Kalshi and Polymarket markets; campaign money from the Federal Election Commission (FEC), shown when the candidate raised at least $100,000.


