The 9th Congressional District of Illinois consists of all of Evanston, Skokie, Niles, Lincolnwood, Morton Grove, Park Ridge and Norridge. It is also made up of parts of Wilmette, Northfield, Glenview, Golf, Rosemont and Des Plaines, as well as much of the North Side of City of Chicago. It has been represented by Democrat Jan Schakowsky since 1999.
George W. Bush received 32% of the vote in this district in 2004. The district has a Cook Partisan Voting Index score of D +20.