ILLINOIS PRIMARY — MARCH 17, 2026 — COOK COUNTY
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Featured Races
See all 8 races →U.S. Senate — Illinois Democratic Primary
Illinois voters choose the Democratic nominee for the open U.S. Senate seat after Sen. Dick Durbin's retirement. The winner advances to the November general election and could shape federal policy on spending, immigration, and judicial confirmations.
Cook County Board President — Democratic Primary
The Cook County Board President leads the county's executive agenda and oversees a multibillion-dollar county budget. This race affects county health systems, criminal justice administration, and property-tax-adjacent policy decisions.
Cook County Assessor — Democratic Primary
The Cook County Assessor sets assessed property values used to calculate tax bills across the county. This office has direct impact on homeowners, renters, and businesses through assessment policy and appeals administration.