Backyard Chicken Laws in Illinois
Summary of state-level and major-city rules for keeping hens, roosters, and small backyard flocks in Illinois. Updated 2026.
Hens allowed
Yes
Roosters allowed
Restricted in Chicago
Typical flock limit
Chicago: no cap on hens for personal use, no roosters
Permit required
No state permit; some suburbs require permits
What makes Illinois different
Chicago is one of the most permissive big-city ordinances in the US.
Official sources
Verify locally before you buy birds
This is a summary. City, county, and HOA rules usually override state guidance. Check your local zoning office, health department, and any HOA covenants before adding hens or roosters to your property.