2 county-level rules, plus city-specific rules for 1 city in Johnson County, Iowa.
Verified from official government sources
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.
Johnson County Conservation parks and city parks close overnight. Iowa City parks are closed from 10:30 p.m. to 6 a.m., and being there after hours is a trespass. County conservation areas post their own dusk closing or seasonal hours.
1 cities in Johnson County have their own curfew laws rules. Each link goes to that city's dedicated page with code citations.
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Johnson County Ordinance Hub →