How Big Should a Chicken Coop Be?
Space is the foundation of a healthy backyard flock. Too little, and birds get stressed, peck each other, and spread disease faster. The standard guidance is about 4 square feet of coop floor per standard hen plus roughly 10 square feet of outdoor run each, though bantams need less and large breeds more.
Coop, run, and boxes
Coop space is for roosting and shelter; the run is for daytime activity. Undersized runs cause boredom and feather-picking, so err generous — birds that free-range during the day can get by with less enclosed run. Plan one nesting box for every three to four hens; more boxes than that go unused as hens famously queue for the same favorite.
Minimums, not targets
The numbers here are floors, not goals. Flocks that are confined most of the day, kept in cold climates where they huddle indoors, or made up of heavy breeds all benefit from extra room. If you're deciding between two coop sizes, the bigger one almost always pays off in calmer, healthier birds.
Frequently asked questions
- How much space per chicken?
- About 4 square feet of coop and 10 of run for a standard hen; less for bantams, more for large breeds.
- How many nesting boxes do I need?
- One box per three to four hens is plenty — they tend to share favorites.
- Can I keep chickens in a small coop?
- Only with ample run or free-ranging. Crowding drives pecking, stress, and disease.