document updated 2 years ago, on Oct 24, 2022
I like a good bushcraft knife, which can sometimes bump up against legal limits in certain places. Bushcraft knives tend to be on the longer side.
Illinois state
unlimited, unless when on building or land supported (even partially) with "public funds", then it's limited to 3 inches
list of knife-related statutes
analysis by [ostensibly competent] lawyers: [1]
720 ILCS 5/21-6 reads "Whoever possesses or stores any weapon enumerated in Section 33A-1 in any building or on land supported in whole or in part with public funds ... commits a Class A misdemeanor."
Chicago
limited to 2.5" in some (all?) places
analysis by [ostensibly competent] lawyers: [1]
list of knife-related statutes:
8-24-005 — Definitions
8-24-020 — Sale or possession of deadly weapons.
8-24-021 — Sale, display and use of utility knives.