In the recent election, Congressman Bill Foster triumphed over Republican candidate Jeff Walter to secure his reelection. With 97% of the votes tallied, Foster amassed 170,915 votes, amounting to 64.3%, compared to Walter’s 94,986 votes. The Associated Press declared Foster the winner just 98 minutes after the polls closed.
Illinois’ 11th Congressional District covers areas from eight counties: Boone, Cook, DeKalb, DuPage, Kane, Lake, McHenry, and Will. Foster achieved victory in all counties except one.
For detailed voting outcomes in each county, refer to the results by county table. The leader tab highlights the top candidate in every county, while the all candidates tab provides a complete vote tally for each candidate in each location.
Other elections also took place, including the contest in Illinois’ 10th Congressional District between Governor Brad Schneider and Carl Lambrecht.
The election occurred on November 6, 2026.

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