i have 7 in a 4x4 and so far they do ok. they dont all try and eat at the saem time and i moved the waterer outside, i couldnt find a hanging one that was small enuf and they kept getting shavings in it. i also have exterior nest boxes and staggered roosts. so far so good. mine are standards. some ppl on here say 4sqft per bird but if i had Built thatmuch space, i d probably have more chickens,lol. oh i dont free range but they do have a large run.