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Illinois's 11th Congressional District (IL-11)

Last updated · 5 sources

Bill Foster, a Democrat, has represented the district since 2013.

The district includes parts of Kane, McHenry, Boone, DeKalb, DuPage, Will, Lake, and Cook counties.

According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 754,751, a median household income of $109,255, and a median age of 39.4. Of residents 25 and older, 45.7% hold a bachelor's degree or higher.

Representative

Official portrait of Bill Foster, U.S. Representative for Illinois's 11th District
Bill Foster

U.S. Representative for Illinois's 11th District · Democrat

ProfileSchedule this week

2026 election

Foster has filed with the FEC to run for this seat in 2026. 4 candidates for the seat have reported receipts to the FEC.

4 candidates have reported raising money for the 2026 IL-11 race to the FEC.

Election Day: Tuesday, November 3, 2026

Candidates for IL-11 in 2026 who reported raising money to the FEC
CandidatePartyRaisedCash on handThrough
Bill Foster (incumbent)Democratic$2,180,937$2,505,288Jun 30
Jeffrey D. WalterRepublican$311,439$22,765Jun 30
Michael David Ltc (ret.) PierceRepublican$94,282$0Apr 15
Charles KimRepublican$55,995$10Jun 30

Includes primary candidates; FEC filings do not record primary results. FEC race page

District profile

Population
754,751
Median household income
$109,255
Median age
39.4
Bachelor's degree or higher
45.7%

Census Bureau, 2020–2024 American Community Survey 5-year estimates

Illinois senators

Neighboring districts

  • IL-1 · Jonathan Jackson (D)
  • IL-3 · Delia Ramirez (D)
  • IL-6 · Sean Casten (D)
  • IL-8 · Raja Krishnamoorthi (D)
  • IL-9 · Jan Schakowsky (D)
  • IL-10 · Brad Schneider (D)
  • IL-14 · Lauren Underwood (D)
  • IL-16 · Darin LaHood (R)

Sources