Unincorporated Johnson County has no countywide juvenile curfew, but its cities do. Iowa City sets tiered hours by age: 10 p.m. for those 13 and under, 11 p.m. at 14-15, and midnight at 16-17, all ending at 5 a.m. Coralville runs a similar curfew.
Iowa cities may adopt juvenile curfews under home-rule authority (Iowa Code 364.2); there is no statewide curfew and Johnson County sets none for unincorporated areas. Iowa City's ordinance (8-6-2) is tiered: minors 13 and under must be off the streets 10 p.m. to 5 a.m., ages 14-15 from 11 p.m., and ages 16-17 from midnight. Coralville's curfew (Chapter 46) starts at 10 p.m. for children 13 and under and midnight for ages 14 to 18, ending at 6 a.m. Standard exceptions cover minors with a parent, traveling to or from work, or attending school and religious events.
A first violation typically brings a warning and parental notification. Repeat offenses can lead to citations, fines to parents, and referral to juvenile authorities. Iowa City may take into custody a minor who refuses to identify or persists in violating.
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