Getting your Trinity Audio player ready...

Four-term incumbent Cook County Board President Toni Preckwinkle faces a challenge from Ald. Brendan Reilly.

The 17-member County Board, forest preserves, and budgets for the county’s massive health system, courts and jail.

Incumbent Toni Preckwinkle declares victory for Cook County Board president, Pat Hynes ahead for assessor

Votes will be counted in contested races after polls close in Illinois at 7 p.m. See statewide election results here. Last minute questions about voting? View our voter guide.