← Wyoming knife laws›Local Knife-Law Preemption

Wyoming Local Knife-Law Preemption (2026)

Permitted: WY preempts local regulation of 'firearms, weapons and ammunition,' reserving it to the state; the broad 'weapons' term covers knives — effectively statewide knife preemption (W.S. 6-8-401).

PermittedVerified Jul 7, 2026

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Official source: wyoleg.gov →

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

Local Knife-Law Preemption in states bordering Wyoming

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

ColoradoConditional
No statewide knife preemption; home-rule cities regulate knives — e.g., Denver bans switchblades, gravity knives and blades over 3.5 inches (Denver Mun. Code 38-117).
Verified Jul 7, 2026 · Source: denver-co.elaws.us · Full Colorado rule →
IdahoPermitted
Yes — Idaho Code 18-3327 (eff. July 1, 2024) bars cities, counties and political subdivisions from enacting any ordinance, rule or tax on knives; conflicting local laws are void.
Verified Jul 7, 2026 · Source: legislature.idaho.gov · Full Idaho rule →
MontanaPermitted
Montana preempts local knife regulation: local governments may not restrict any knife not specifically prohibited by state law, except on government property (MCA 45-8-352).
Verified Jul 7, 2026 · Source: mca.legmt.gov · Full Montana rule →
NebraskaPermitted
LB77 (2023) bars counties, cities and villages from regulating 'firearms or other weapons' (which includes knives); conflicting local ordinances are null and void (Neb. Rev. Stat. 13-330).
Verified Jul 7, 2026 · Source: nebraskalegislature.gov · Full Nebraska rule →
South DakotaConditional
No SD statute preempts local knife ordinances; the municipal (9-19-20) and county (7-18A-36) preemption laws cover only firearms and ammunition.
Verified Jul 7, 2026 · Source: sdlegislature.gov · Full South Dakota rule →
UtahPermitted
Utah reserves knife regulation to the state; 10-8-47.5 bars municipalities (and 17-60-502 counties) from enacting knife ordinances = statewide knife preemption.
Verified Jul 7, 2026 · Source: le.utah.gov · Full Utah rule →

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