Home › 2026 Midterms › By state › Illinois
Updated September 24, 2026 at 17:34 UTC · refreshed twice a day · Election Day is November 3, 2026
Polymarket odds for Illinois in the 2026 midterms. Illinois's Senate race: Juliana Stratton (Democrat) leads at 97.8% (Safe Democrat). Illinois's governor race: JB Pritzker (Democrat) leads at 97.7% (Safe Democrat). House: Democrats favoured in 14 and Republicans in 3 of 17 districts with a market.
| Race | Democrat | Republican | Rating | Volume | |
|---|---|---|---|---|---|
| Senate | Juliana Stratton 97.8% | Don Tracy 2.5% | Safe Democrat | $33.5K | race page |
| Governor | JB Pritzker 97.7% | Darren Bailey 1.4% | Safe Democrat | $11.7K | race page |
| House IL-01 | Jonathan Jackson 95.3% | Christian Maxwell 4.0% | Safe Democrat | $54.8K | race page |
| House IL-02 | Donna Miller 97.1% | Michael Noack 1.1% | Safe Democrat | $33.7K | race page |
| House IL-03 | Delia Ramirez 96.5% | Angel Oakley 1.9% | Safe Democrat | $51.4K | race page |
| House IL-04 | Patty Garcia 96.7% | Lupe Castillo 3.7% | Safe Democrat | $61.7K | race page |
| House IL-05 | Mike Quigley 95% | Tommy Hanson 4.5% | Safe Democrat | $25.3K | race page |
| House IL-06 | Sean Casten 96% | Niki Conforti 2.5% | Safe Democrat | $43.2K | race page |
| House IL-07 | La Shawn Ford 96.7% | Chad Koppie 1.1% | Safe Democrat | $26.7K | race page |
| House IL-08 | Melissa Bean 93.5% | Jennifer Davis 5.5% | Likely Democrat | $22.1K | race page |
| House IL-09 | Daniel Biss 95.5% | John Elleson 4.5% | Safe Democrat | $31.8K | race page |
| House IL-10 | Brad Schneider 96.1% | Carl Lambrecht 1.1% | Safe Democrat | $32.8K | race page |
| House IL-11 | Bill Foster 95% | Jeff Walter 4.5% | Safe Democrat | $40.0K | race page |
| House IL-12 | Julie Fortier 3.5% | Mike Bost 97.4% | Safe Republican | $25.2K | race page |
| House IL-13 | Nikki Budzinski 94.5% | Jeff Wilson 4.5% | Likely Democrat | $18.3K | race page |
| House IL-14 | Lauren Underwood 94.9% | James Marter 4.6% | Likely Democrat | $16.9K | race page |
| House IL-15 | Jennifer Todd 3.9% | Mary Miller 96% | Safe Republican | $44.2K | race page |
| House IL-16 | Paul Nolley 5.5% | Darin LaHood 94.5% | Likely Republican | $44.5K | race page |
| House IL-17 | Eric Sorensen 93.5% | Dillan Vancil 6.1% | Likely Democrat | $18.7K | race page |
Same races on Kalshi: Senate: Democrat 98.6% / Republican 2.2% · Governor: Democrat 97.4% / Republican 2.6% (midpoint of bid and ask).
Ratings from the favourite's price: safe 95%+, likely 80–95%, lean 60–80%, toss-up below 60%. Prices are Polymarket share prices read as probabilities, not polls. Educational information, not betting advice.
National picture: 2026 midterm forecast · Senate forecast · House forecast · Governor forecast
Polymarket odds for Illinois in the 2026 midterms. Illinois's Senate race: Juliana Stratton (Democrat) leads at 97.8% (Safe Democrat). Illinois's governor race: JB Pritzker (Democrat) leads at 97.7% (Safe Democrat). House: Democrats favoured in 14 and Republicans in 3 of 17 districts with a market.
From the favourite's price in each race's Polymarket winner market: 95% or more is safe, 80–95% likely, 60–80% lean and below 60% a toss-up. Market prices, not polls.
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