Sean Thomas Casten (born November 23, 1971) is an American businessman and politician serving as the U.S. representative for Illinois's 6th congressional district. The district covers southwestern Chicago, as well as many of Chicago's inner southwestern suburbs, such as Downers Grove, Wheaton, Lisle, Orland Park, and Western Springs. He is a member of the Democratic Party. Due to redistricting as a result of the 2020 United States census, Casten and... see more