G2026 Illinois US House 1
G2026 Illinois US House 1
Forecasted Win Probability
Jonathan Jackson*
Christian Maxwell
Decision Desk HQ's forecast for this race blends 75% fundamentals and 25% markets. Fundamentals capture the structural conditions of the race, including partisan baseline adjusted for national environment, incumbency, presidential party cycle effects, and net campaign financial advantage.
If the election for Congress were being held today, who would Americans vote for?
Candidate | Average | 1W | 1M |
|---|---|---|---|
Democrat | 45.50% | -1.2% | +0.3% |
Republican | 39.80% | -1.1% | -0.5% |
| Democrat +5.7% | |||
 | |||
How candidates and outside groups are spending money in this race
| Candidate | Raised | Spent | Outside Support | Outside Oppose | Report | Date |
|---|---|---|---|---|---|---|
 Jonathan Jackson | $418,350 | $424,875 | - | - | JULY QUARTERLY | 6/30/2026 |
| Jonathan Jackson | $352,025 | $316,332 | - | - | APRIL QUARTERLY | 3/31/2026 |
 Christian Maxwell | $63,316 | $36,042 | - | - | JULY QUARTERLY | 6/30/2026 |
| Christian Maxwell | $32,135 | $1,066 | - | - | APRIL QUARTERLY | 3/31/2026 |
