USRaces / House
IL-04 House race 2026: polls
Last updated: 4 Aug 2026
Leading in average
Patty Garcia
34.0%
Second
Lupe Castillo
15.0%
Margin
+19.0
points, average of 1 pollsters
Latest poll
4 Aug 2026
The Bullfinch Group
Polling average
Latest poll from each pollster (1 pollsters)
Average of the most recent poll per pollster. Polls differ in population (likely voters, registered voters, adults); see details below. Source: VoteHub (CC BY 4.0).
All polls
1 polls in the database
| Pollster | Date | Details | Patty Garcia | Lupe Castillo | Chris Getty | Ed Hershey |
|---|---|---|---|---|---|---|
| The Bullfinch Group | 4 Aug 2026 | n=653 · RV · Jul 31–Aug 4 | 34.0 | 15.0 | 9.0 | 4.0 |
