A new Emerson/WGN-TV survey of Illinois voters who plan to participate in the March 17, 2026 primary finds 31% support Rep. Raja Krishnamoorthi for the Democratic nomination for U.S. Senate, followed by 10% for Lt. Gov. Juliana Stratton, and 8% for Rep. Robin Kelly. A plurality of voters (46%) are undecided ahead of the primary.
The Republican Senate contest has no clear front-runner: 6% support Don Tracy, 3% Jimmy Tillman, 3% Jeannie Evans, and a majority (84%) are undecided.

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