Jennifer Todd
DEMOCRATIC
Nurse
Illinois15th District2026 HOUSE FORECAST
Mary Miller*
REPUBLICAN
US House of Representatives (R-IL)
2021 – Present
2026 Illinois 15th District House Forecast:
Proprietary forecast for Illinois's 15th congressional district House election between Democrat Jennifer Todd and Republican Mary Miller. This page will update with a daily set of 100,000 new simulations as race fundamentals change in order to produce race odds, projected margin, and forecasted vote share. This page also includes polling averages when available.
The 2026 Illinois 15th District House election features Democrat Jennifer Todd and Republican Mary Miller. Incumbent Representative Mary Miller is seeking reelection to a fourth term. In 2024, Donald Trump won Illinois' 15th congressional district by 22.5%, and the election for the district's House seat is rated as solid Republican in 2026.
- Year
- 2026
- Race
- House
- District
- IL-15
- Democratic candidate
- Jennifer Todd
- Republican candidate
- Mary Miller
- Incumbent / open seat
- Mary Miller
- Forecast rating
- Solid R
- Projected vote
- 30.1% D / 70.0% R
- Projected margin
- R +39.9
- Forecast odds
- 0.1% D / 99.9% R
- Forecast last updated
- 12:00 AM on July 2, 2026
- Polling average
- —
- Polling average margin
- —
- Polling last updated
- —
- Polls included
- 0
- Latest poll
- —