The Cook County cases follow the first case of measles this year in Illinois in an unvaccinated adult in Marion, reported last week.

Hospitalization data is a daily average of Covid-19 patients in hospital service areas that intersect with Marion County, an area which may be larger than Marion County itself. The number of daily ...

If there are any changes in the boundaries of Indiana and Illinois, Marion County should be added to Illinois. Opinion: No, Illinois counties won't secede to Indiana. Here's why. While this would ...