G2026 Illinois US House 14
G2026 Illinois US House 14
Forecasted Win Probability
Lauren Underwood*
James Marter
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 |
|---|---|---|---|---|---|---|
 Lauren Underwood | $2,417,082 | $2,365,620 | $35 | - | JULY QUARTERLY | 6/30/2026 |
| Lauren Underwood | $1,960,791 | $1,690,021 | $35 | - | APRIL QUARTERLY | 3/31/2026 |
 James Marter | $140,848 | $112,994 | - | - | JULY QUARTERLY | 6/30/2026 |
| James Marter | $99,287 | $89,717 | - | - | APRIL QUARTERLY | 3/31/2026 |
