Be aware that Illinois is a virtual minefield of traps for the carrier. You can be legal in one block, illegal in the next due to school proximity, 'safe zones', (which means that only bangers can carry there), etc.
Their set of restrictions reads like a book of lawyerese that I believe will even trip lawyers. I'll continue to avoid that state for now.
Member, GoA, NRA-ILA, SAF, NRA Life Member