Voters in Illinois will elect representatives for 18 House seats, 11 of which are held by Democrats and seven by Republicans. They will also choose a governor, an office currently held by a Republican. See Illinois’s primary results.
Going into this election, Illinois had 11 Democratic representatives and 7 Republican representatives. Here’s how each district leans politically, based on how it voted in the 2016 presidential election, with 2018 results as they come in.
In 2016, Clinton won this district by 6.8 points and Peter Roskam (R) won by 18.4.
Republican Rep. Peter J. Roskam (R) is hoping for reelection in this suburban Chicago district, where he won by 18 points in 2016 and Hillary Clinton carried the district by seven points. He's being challenged by Democrat Sean Casten, a scientist and entrepreneur.
In 2016, Trump won this district by 4 points and Randy Hultgren (R) won by 18.6.
Lauren Underwood emerged from the Democratic primary to challenge Rep. Randy Hultgren, (R) who's seeking a fifth term. Underwood says Hultgren's vote to repeal the Affordable Care Act was her impetus to run in the exurban district.