This morning, we're talking with the two candidates, Republican Mark Lorch and Democrat Jesus " Chuy" Garcia.
WATCH: Democrat candidate Jesus 'Chuy' Garcia
Garcia currently serves as a Cook County Commissioner. He's been an Illinois State Senator and a Chicago alderman. In 2015, he ran for Chicago mayor.
WATCH: Republican candidate Mark Lorch
Mark Lorch is a financial analyst with Duff and Phelps. Lorch says he's running to quote "fix the problems created by career politicians." This is his first run for public office.