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The race to succeed retiring U.S. Rep. Jan Schakowsky resulted in more than a dozen candidates on the Democratic ballot and multiple running as Republicans.
Evanston Mayor Daniel Biss won the Democratic nomination, though it was a close call. The Associated Press waited more than two and a half hours to call the race.
The Associated Press called the Republican primary for John Elleson shortly after 10 p.m.
See how each county voted in the Democratic and Republican primaries. Take a look at how each Illinois county voted below. This will update as votes continue to be reported.
