Illinois 12026 HOUSE POLLS
2026 Illinois 1st District House Forecast:
The Pollsmax 2026 Illinois 1st District House forecast currently gives Democrat Jonathan Jackson a 99.9% chance of defeating Republican Christian Maxwell. Pollsmax projects Jackson to receive 69.6% of the vote compared with 30.5% for Maxwell, a projected Democratic margin of 39.1 percentage points. The model currently rates the race as Solid Democratic. The forecast is updated using 100,000 simulations incorporating polling and race fundamentals. See the Pollsmax forecast methodology.
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
- 69.6% D / 30.5% R
- Projected margin
- D +39.1
- Forecast odds
- 99.9% D / 0.1% R
- Forecast last updated
- 12:00 AM on September 30, 2026
- Polling average
- —
- Polling average margin
- —
- Polling last updated
- —
- Polls included
- 0
- Latest poll
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