Illinois’ 2nd Congressional District House Race 2026
Illinois’ 2nd Congressional District, anchored in Chicago’s South Side and extending into southern suburbs and parts of northwest Indiana border counties, holds its House election on November 3, 2026. The district has been reliably Democratic for decades, making the general election largely a formality while the real contest often plays out in the primary. Voters will choose a representative to serve a two-year term in the U.S. House starting in January 2027.
Why Markets Are Watching
Even in safe seats, House races shape the overall partisan makeup of Congress and influence which party controls committee assignments and legislative agendas. A heavily Democratic district like IL-02 also serves as a bellwether for intra-party dynamics, including generational change, policy positioning, and turnout patterns in urban and suburban Chicago communities.
How Prediction Markets Frame the Race
The core question traders are weighing is simply which party’s nominee wins the general election, a near-certainty given the district’s partisan lean. That makes the real informational value centered on confirming the eventual winner early and tracking any signs of an unexpected shift. The contract functions less as a suspense play and more as a structural marker for the broader House majority count.
Related terms
Total Volume
$54.1k
Kalshi $1.2k · Polymarket $52.9k
Leading Market
Donna Miller
Kalshi 99% · Polymarket 99%
Donna Miller Volume
$16.3k
Kalshi $879.01 · Polymarket $15.4k
Donna Miller 24h Change
+0.60%
Kalshi +0.60% · Polymarket 0.00%
Calculate Your Potential Return
- Kalshi(opens in a new tab) 7.0% fee
- Polymarket(opens in a new tab) 5.0% fee
| Market | Kalshi Yes | Kalshi Fee | Kalshi Payout | Polymarket Yes | Polymarket Fee | Polymarket Payout |
|---|---|---|---|---|---|---|
| Donna MillerDemocratic Party | 99.4¢ | 7.0% | , trade Donna Miller on Kalshi (opens in a new tab) | 99.0¢ | 5% | , trade Donna Miller on Polymarket (opens in a new tab) |
| Michael NoackRepublican Party | 3.8¢ | 7.0% | , trade Michael Noack on Kalshi (opens in a new tab) | — | — | — |
| Michael Scott NoackRepublican Party | — | — | — | 3.0¢ | 5% | , trade Michael Scott Noack on Polymarket (opens in a new tab) |
* Estimates if candidate wins. Actual returns may vary.
All Markets
| Market | Total Volume | Kalshi(opens in a new tab) | Polymarket(opens in a new tab) |
|---|---|---|---|
| Donna MillerDemocratic Party | $16,307.69 | ||
| Michael NoackRepublican Party | $276.00 | No market | |
| Michael Scott NoackRepublican Party | $37,520.03 | No market |