Home › 2026 Midterms › By state › Illinois
Updated October 6, 2026 at 13:29 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 98.2% (Safe Democrat). Illinois's governor race: JB Pritzker (Democrat) leads at 98% (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 98.2% | Don Tracy 1.8% | Safe Democrat | $33.9K | race page |
| Governor | JB Pritzker 98% | Darren Bailey 2.1% | Safe Democrat | $12.2K | race page |
| House IL-01 | Jonathan Jackson 95% | Christian Maxwell 4.8% | Safe Democrat | $55.5K | race page |
| House IL-02 | Donna Miller 95.9% | Michael Noack 2.8% | Safe Democrat | $36.4K | race page |
| House IL-03 | Delia Ramirez 96.8% | Angel Oakley 1.9% | Safe Democrat | $51.7K | race page |
| House IL-04 | Patty Garcia 96% | Lupe Castillo 4.2% | Safe Democrat | $61.7K | race page |
| House IL-05 | Mike Quigley 96.9% | Tommy Hanson 3.2% | Safe Democrat | $28.5K | race page |
| House IL-06 | Sean Casten 96.2% | Niki Conforti 2.5% | Safe Democrat | $43.2K | race page |
| House IL-07 | La Shawn Ford 98.4% | Chad Koppie 0.2% | Safe Democrat | $26.8K | race page |
| House IL-08 | Melissa Bean 93.5% | Jennifer Davis 5.5% | Likely Democrat | $22.1K | race page |
| House IL-09 | Daniel Biss 96.7% | John Elleson 1.7% | Safe Democrat | $31.9K | race page |
| House IL-10 | Brad Schneider 96.2% | Carl Lambrecht 1.8% | Safe Democrat | $32.9K | race page |
| House IL-11 | Bill Foster 96% | Jeff Walter 2.8% | Safe Democrat | $46.7K | race page |
| House IL-12 | Julie Fortier 3.2% | Mike Bost 95.2% | Safe Republican | $25.2K | race page |
| House IL-13 | Nikki Budzinski 95.6% | Jeff Wilson 4.0% | Safe Democrat | $21.1K | race page |
| House IL-14 | Lauren Underwood 98.4% | James Marter 1.8% | Safe Democrat | $18.5K | race page |
| House IL-15 | Jennifer Todd 3.7% | Mary Miller 96% | Safe Republican | $44.2K | race page |
| House IL-16 | Paul Nolley 3.4% | Darin LaHood 96% | Safe Republican | $60.3K | race page |
| House IL-17 | Eric Sorensen 97.2% | Dillan Vancil 1.2% | Safe Democrat | $29.7K | race page |
Same races on Kalshi: Senate: Democrat 97.8% / Republican 2.6% · Governor: Democrat 96.7% / Republican 2.7% (midpoint of bid and ask).
Ratings from the favorite'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
On November 3: election night guide (when polls close, how these markets resolve, what moves the odds).
Quoting these numbers in an article, a paper or a newsletter? Copy this citation and keep the date, because prices move. Tips: how to cite Polymarket odds.
Polymarket View, “Illinois 2026 election odds on Polymarket”, October 6, 2026, https://polymarkettrader.com/odds/2026-elections/illinois/ (data: Polymarket, CC BY 4.0).
Polymarket odds for Illinois in the 2026 midterms. Illinois's Senate race: Juliana Stratton (Democrat) leads at 98.2% (Safe Democrat). Illinois's governor race: JB Pritzker (Democrat) leads at 98% (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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