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2026 candidates we're tracking in IL-9
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Daniel Biss
Democratic
Biss is the mayor of Evanston and previously served in the Illinois House and Senate, per the campaign site. He holds a bachelor's degree from Harvard University and a PhD in mathematics from MIT and formerly taught mathematics at the University of Chicago, per the campaign site.
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John Elleson
Republican
Elleson served as a Chicago-area pastor for 40 years before running for Congress, per the campaign site. He says that experience gave him direct knowledge of the needs of families across the district, per the campaign site.
About this race
Illinois's 9th Congressional District elects one member of the U.S. House of Representatives to a two-year term. Every House seat in the country is on the ballot in 2026. The Illinois primary is Tuesday, March 17, 2026, and the general election is Tuesday, November 3, 2026.