Public Conduct in Jefferson County, WI (2026)
3 rules for unincorporated Jefferson County, Wisconsin.
Verified from official government sources
Outdoor Smoking Restrictions
Jefferson County bans smoking within 30 feet of any public entrance to a county-owned, rented or leased building, and bans it outright in park shelters, restrooms, maintenance buildings and the county dog park, no matter the distance from a building.
Outdoor Smoking Limits at Jefferson County Property
Some RestrictionsJefferson County Code § 18-100(b), (f)
(b)No person may smoke within 30 feet of a public entrance to any county-owned, -rented or -leased building. At the Fair Park, this subsection shall only apply to the front door of the activity center. ... (f)Smoking shall not be allowed in park shelters or bathrooms, maintenance buildings or the dog park.
Public Marijuana Use
Jefferson County makes it a citable offense to possess 25 grams or less of marijuana anywhere in the unincorporated county. Sec. 14-61 carries a $100.00 forfeiture, but it stops applying once someone is charged with possessing more than 25 grams or has a prior marijuana conviction.
Jefferson County Marijuana Possession Ordinance
Some RestrictionsJefferson County Code § 14-61
No person shall possess 25 grams or less of marijuana, as defined in Wis. Stats. § 961.01(14), subject to the exceptions in Wis. Stats. § 961.41(3g). No person who is charged with possession of more than 25 grams of marijuana, or who is charged with possession of any amount of marijuana following a conviction for possession of marijuana in the state, shall be prosecuted under this section. Any ...
Public Alcohol Use
At the Jefferson County Fair Park, no one may bring, purchase, possess or drink alcohol outside the beer stand, designated grandstand area, designated entertainment tent, or another area the Fair Park committee sets aside. Sec. 14-60(b) backs the restriction with signage requirements and a $50.00 forfeiture.
Jefferson County Fairgrounds Alcohol Rules
Significant RestrictionsJefferson County Code § 14-60(b)
No user of, or visitor to, the county fairgrounds may bring or cause to be brought any alcoholic beverage onto the fairgrounds, with the exception of lessees whose contract authorizes sale or dispensing of such beverages. ... (1)The purchase, possession or consumption of any alcoholic beverage is prohibited outside the beer stand area, the designated grandstand area, the designated entertainmen...
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