I must politely disagree with Jason in Moline. I fear the Indiana tollway more than Chicago gangs! Haha
The Northerly Island cg is definitely in the works. Good friends of ours owns a cg ( near Moline btw! ) and report that Chicago Park District is emailing all the listservs they can find...looking for vendors to contract for cg operations, reservations, food service, etc.
Check out these articles
Http://www.chicagonow.com/chicagoland-outdoors/2012/08/camping-comes-to-downtown-chicago/
Http://www.cbslocal.com/2012/08/16/plans-for-northerly-island-park-set-to-go-ahead/
Cg owner friend predicts lots of camping spaces will be reserved by tourists parking for the day. Cheaper than downtown public parking AND this cg will have a shuttle to all the popular sites!
And Lauren, I've only been in Naperville since 1989...and this town is nothing like it was then. Can't imagine how the old timers feel...