Jonathan Jackson*
DEMOCRATIC
US House of Representatives (D-IL)
2023 – Present
Illinois1st District2026 HOUSE FORECAST
Christian Maxwell
REPUBLICAN
Entrepreneur
2026 Illinois 1st District House Forecast:
Proprietary forecast for Illinois's 1st congressional district House election between Democrat Jonathan Jackson and Republican Christian Maxwell. 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 1st District House election features Democrat Jonathan Jackson and Republican Christian Maxwell. Incumbent Representative Jonathan Jackson is seeking reelection to a third term. In 2024, Kamala Harris won Illinois' 1st congressional district by 25.5%, and the election for the district's House seat is rated as solid Democratic in 2026.
- Year
- 2026
- Race
- House
- District
- IL-1
- Democratic candidate
- Jonathan Jackson
- Republican candidate
- Christian Maxwell
- Incumbent / open seat
- Jonathan Jackson
- Forecast rating
- Solid D
- Projected vote
- 69.8% D / 30.3% R
- Projected margin
- D +39.5
- Forecast odds
- 99.9% D / 0.1% R
- Forecast last updated
- 12:00 AM on July 2, 2026
- Polling average
- —
- Polling average margin
- —
- Polling last updated
- —
- Polls included
- 0
- Latest poll
- —