Comment by tfehring

They do, at a much higher rate than the US as a whole, but cars are still dominant. Transit mode share in the city of Chicago is around 21%, down from 28% pre-pandemic, while driving is at 44%. For Chicagoland as a whole, driving is 63%, transit only 9%. The usual source for this data is the American Community Survey; I pulled these numbers from https://api.census.gov, but the same source is also cited in e.g. Wikipedia (https://en.wikipedia.org/wiki/List_of_U.S._cities_with_high_...) and Bloomberg (https://www.bloomberg.com/news/articles/2019-01-22/how-ameri...)