← Wisconsin knife laws›Local Knife-Law Preemption

Wisconsin Local Knife-Law Preemption (2026)

Permitted: Under Wis. Stat. 66.0409(2) (2015 Act 149) no city, village, town or county may regulate 'any knife' more stringently than a state statute — explicit statewide knife preemption.

PermittedVerified Jul 7, 2026

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Official source: docs.legis.wisconsin.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Local Knife-Law Preemption in states bordering Wisconsin

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

IllinoisConditional
Illinois's firearm preemption doesn't cover knives, so home-rule cities regulate them — Chicago bars concealed carry of a knife with a blade over 2.5 inches (Muni. Code 8-24-020).
Verified Jul 7, 2026 · Source: codelibrary.amlegal.com · Full Illinois rule →
IowaPermitted
Yes — Iowa Code 724.28 bars any city, county or township from regulating the carrying or transport of 'other weapons' (knives are dangerous weapons under 702.7) that are lawful under state law.
Verified Jul 7, 2026 · Source: legis.iowa.gov · Full Iowa rule →
MichiganConditional
MCL 123.1102 preempts local regulation only of pistols, firearms, pneumatic guns and ammunition — not knives; Michigan has no statewide knife preemption.
Verified Jul 7, 2026 · Source: legislature.mi.gov · Full Michigan rule →
MinnesotaConditional
Minnesota's only weapons-preemption statute, 471.633, covers firearms, ammunition and components only — not knives — so local knife ordinances are not preempted.
Verified Jul 7, 2026 · Source: revisor.mn.gov · Full Minnesota rule →

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