Illinois's 11th Congressional District is represented by Bill Foster (Democrat), who has held the seat since 2013. Foster has an overall VoteSee report card grade of C, voted in 99% of roll-call votes on bills this Congress, and votes with the Democratic majority 96% of the time. The district includes Aurora, Naperville, and Bolingbrook. It takes in all or part of 8 counties; the most populous parts are in DuPage County and Kane County. About 755,000 people live in the district, and the median household income is $109,255.
Current Representative
Bill Foster (Democrat) has represented Illinois's 11th Congressional District since 2013.
VoteSee report card grade: C
Attendance in the 119th Congress: 99% of roll-call votes on bills
Incumbent Bill Foster is running for re-election. 2 candidates were on the Nov 3, 2026 ballot.
Bill Foster (Democratic), incumbent: raised $2.6M, $2.6M cash on hand; VoteSee report card C; 99% attendance; votes with the Democratic majority 96% of the time
Jeff Walter (Republican): raised $431K, $8K cash on hand
Members of Congress who previously represented Illinois's 11th Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.