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Illinois's 15th Congressional District (IL-15)

Last updated · 5 sources

Mary Miller, a Republican, has represented the district since 2021.

The district includes all or part of 35 counties (11 in part).

According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 746,652, a median household income of $73,993, and a median age of 42.3. Of residents 25 and older, 26.1% hold a bachelor's degree or higher.

Representative

Official portrait of Mary Miller, U.S. Representative for Illinois's 15th District
Mary Miller

U.S. Representative for Illinois's 15th District · Republican

ProfileSchedule this week

2026 election

Miller has filed with the FEC to run for this seat in 2026. 6 candidates for the seat have reported receipts to the FEC.

6 candidates have reported raising money for the 2026 IL-15 race to the FEC.

Election Day: Tuesday, November 3, 2026

Candidates for IL-15 in 2026 who reported raising money to the FEC
CandidatePartyRaisedCash on handThrough
Mary Miller (incumbent)Republican$1,331,399$810,427Jun 30
Jennifer Ann ToddDemocratic$113,341$33,757Jun 30
Paul R. Davis Jr.Democratic$86,716$3,363Jun 30
Judy BowlbyRepublican$37,940$0Mar 31
Ryan TebruggeRepublican$5,484$2,130Jun 30
Anthony Lawrence BarnesDemocratic$500$489Sep 30

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

District profile

Population
746,652
Median household income
$73,993
Median age
42.3
Bachelor's degree or higher
26.1%

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

Illinois senators

Neighboring districts

  • IA-1 · Mariannette Miller-Meeks (R)
  • IL-2 · Robin Kelly (D)
  • IL-12 · Mike Bost (R)
  • IL-13 · Nikki Budzinski (D)
  • IL-16 · Darin LaHood (R)
  • IL-17 · Eric Sorensen (D)
  • IN-8 · Mark Messmer (R)
  • MO-3 · Bob Onder (R)
  • MO-6 · Sam Graves (R)

Sources