While billionaire J.B. Pritzker defeated Gov. Bruce Rauner handily in Tuesday’s election, especially in the city of Chicago, but the concentration of his votes often vary in a matter of blocks.

The map below shows precinct-level results in all or parts of four Chicago-area counties: Cook, Lake, Will and DuPage. Those four counties accounted for well over half the state’s votes in the midterm election.

The map will be updated in the coming weeks as more precinct-level data is made available.



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