Johnson County cities allow limited backyard hens with no roosters; larger livestock needs agricultural or large-lot zoning. On unincorporated farmland, Iowa's agricultural zoning exemption (Iowa Code 335.2) leaves most farm animals to the owner.
Iowa City and North Liberty permit a small number of backyard hens under their urban-chicken rules, typically a handful of birds, no roosters, with a permit, coop setbacks, and neighbor-notice or registration provisions that vary by city; Coralville's allowances differ, so check locally. Larger livestock belongs in agricultural or large-lot zones. In unincorporated Johnson County, land used primarily for agriculture is exempt from county zoning under Iowa Code Section 335.2, so farm animals on genuine farmland are largely unregulated by the county, and Iowa's Right to Farm protections (Iowa Code Sections 352.11 and 657.11) shield established operations from nuisance suits. HOAs commonly ban all poultry.
Keeping roosters or exceeding the hen limit in a city, or running livestock on a lot not zoned for it, brings a zoning correction notice, fines, and possible animal removal.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Johnson County's chickens & livestock rules stack up against other locations.
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