Sean Casten (Democratic Party) is a member of the U.S. House, representing Illinois' 6th Congressional District. He assumed office on January 3, 2019. His current term ends on January 3, 2027. Casten (Democratic Party) is running for re-election to the U.S. House to represent Illinois' 6th Congressional District. He is on the ballot in the general election on November 3, 2026. He advanced from the Democratic primary on March 17, 2026.
IL House District 6
Incumbent: Sean Casten · Democrat
8 candidates · Incumbent first
Niki Conforti (Republican Party) is running for election to the U.S. House to represent Illinois' 6th Congressional District. She is on the ballot in the general election on November 3, 2026. She advanced from the Republican primary on March 17, 2026.
Joey Ruzevich (Democratic Party) ran for election to the U.S. House to represent Illinois' 6th Congressional District. He lost in the Democratic primary on March 17, 2026.
Skylar Duensing (Republican Party) ran for election to the U.S. House to represent Illinois' 6th Congressional District. He lost in the Republican primary on March 17, 2026.
Scott Kaspar (Republican Party) ran for election to the U.S. House to represent Illinois' 6th Congressional District. He lost in the Republican primary on June 28, 2022.
Leslie Coolidgewas a 2012Democraticcandidate who sought election to the U.S. House to representthe 6th Congressional DistrictofIllinois. Coolidge was endorsed by the Chicago Tribunein the Democratic primary over candidatesGeoffrey PetzelandMaureen Yates. Coolidge defeatedPetzelandYatesin the Democratic primary on March 20, 2012. She was defeated by incumbentPeter Roskam (R) in the general election on November 6, 2012.
Keith Pekau (Republican Party) ran for election to the U.S. House to represent Illinois' 6th Congressional District. He lost in the general election on November 8, 2022.
Gary Grasso (Republican Party) ran for election to the U.S. House to represent Illinois' 6th Congressional District. He lost in the Republican primary on June 28, 2022.


