2026 Cook County, Illinois, elections
November 3, 2026
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| Elections in Illinois |
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The Cook County, Illinois, general elections will be held on November 3, 2026. Primaries will be held on March 17, 2026.
Elections will be held for assessor, clerk, sheriff, treasurer, president of the Cook County Board of Commissioners, all 17 seats of the Cook County Board of Commissioners, two seats of the Cook County Board of Review, four seats on the Water Reclamation District Board, and judgeships on the Circuit Court of Cook County.