Who is my U.S. representative in IL-15?

Captured 2026-07-15 02:44:28 UTC Model Claude Source page
Your current U.S. Representative for IL-15 is Mary Miller (R), who has held the seat since 2021. The district covers a largely rural stretch of central/southeastern Illinois (parts of Bond, Champaign, Ford, and Madison counties, plus all of Clark, Clay, Clinton, Coles, Crawford, Cumberland, Douglas, Edgar, Edwards, Effingham, Fayette, Gallatin, Hamilton, Hardin, Jasper, Johnson, Lawrence, Madison, Marion, Massac, Moultrie, Pope, Richland, Saline, Shelby, Vermilion, Wabash, Washington, Wayne, and White counties).

It's one of the most Republican-leaning districts in the state, with a Cook PVI of R+20. 
Wikipedia

A quick note looking ahead: Miller (R) and Jennifer Todd (D) are the candidates set to face off in the general election on November 3, 2026, so this seat is on the ballot again this fall if you want to stay tuned. 
Ballotpedia

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The response correctly identifies Mary Miller (R) as the U.S. Representative for IL-15, matching the ground truth. Additional details about counties and future elections are supplementary but the core answer is correct.

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Ground truth

representative: Mary Miller

clerk.house.gov 100 as of 2026-07-07

https://clerk.house.gov/xml/lists/MemberData.xml

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