This document may be helpful in answering questions as to why some campgrounds are open and some are not.  The information pertaining to camping can be found on Page 7 of the document.  CLICK HERE.

More info can be found at ARVC.org.  Once at the site, click on CORONA VIRUS and scroll down to STATE SPECIFIC UPDATES.  Click on state-by-state lists of affects on RV Parks and Campgrounds.  Scroll down to ILLINOIS.

Stay safe!  Looking forward to seeing you soon.