Illinois’s 11th District
U.S. House · IL-11
Election day November 3, 2026 · forecast of November 2, 2026
Our forecast gives the Democrats a more than 99% chance of winning, with an average lead of 23.2 points.
Safe seat. Chance of a final gap under 5 points: 1%.
What Orbit says
Orbit, our experimental model, picks the same favourite as our main forecast: the Democrat, with a 95% chance (> 99% according to Harfang des neiges).
| Model | Favourite | Chance |
|---|---|---|
| Harfang des neiges | Democrat | > 99% |
| Orbit | Democrat | 95% |
| 50/50 blend | Democrat | 97% |
Compared with the average
| Democrat | Republican | |
|---|---|---|
| IL-11 | 61.6% | 38.4% |
| National averageUnited States | 54.9%+6.7 | 43.9%−5.4 |
Simple average of the 435 districts, not weighted by population.
Projection track
How the projection has moved
Local profile
| Latino citizens aged 18 and over | 13.8% (± 0.5) |
|---|
Current member
Bill Foster · Democrat
Primary results
| Democratic primary | Bill Foster | 100.0% | 69,637 votes |
|---|---|---|---|
| Republican primary | Jeff Walter | 42.6% | 13,877 votes |
Democrat 
Republican Previous election (2024)
The Democrats won by 11.2 points.
Our current projection: the Democrats ahead by 23.2 points.
Watch list
The tightest races
The smallest projected gaps between the top two.
- Forecast updated