Mike Bost (Republican Party) is the incumbent U.S. Representative for Illinois's 12th congressional district.
IL House District 12
Incumbent: Mike Bost · Republican
5 candidates · Incumbent first
Julie Fortier (Democratic Party) is running for election to the U.S. House to represent Illinois' 12th Congressional District. She is on the ballot in the general election on November 3, 2026. She advanced from the Democratic primary on March 17, 2026.
Michael Tabacchi (Republican Party) ran for election to the U.S. House to represent Illinois' 12th Congressional District. He did not appear on the ballot for the Republican primary on March 17, 2026.
Darren Bailey (Republican Party) is running for election for Governor of Illinois. He is on the ballot in the general election on November 3, 2026. He advanced from the Republican primary on March 17, 2026. Bailey (Republican Party) was a member of the Illinois State Senate, representing District 55. He assumed office on January 13, 2021. He left office on January 11, 2023. Bailey served as State RepresentativeforIllinois House of Representatives District 109from 2019-2021, and as State SenatorforIllinois State Senate District 55from 2021-2023.
Brian Roberts (Democratic Party) ran for election to the U.S. House to represent Illinois' 12th Congressional District. He lost in the general election on November 5, 2024.
