IL 8 contains many of Chicago's northwestern suburbs and is 99.99% urban. The breakdown by race is: 71% Caucasian, 5% African American, 26% Hispanic, 13% Asian. The median income of this district is $67,745 and 33% of residents have a bachelor's degree or higher. In the past three presidential elections, the district has voted Democratic by a significant margin. Since 2000, the representatives have oscillated between parties.

The Democratic candidate running in this district is Raja Krishnamoorth, the district's representative since 2016. The Republican candidate running in this district is Jitendra Diganvker, a businessman and Uber driver.