If 5 member families is the expected average, you'd need a 2 story apartment with 10 rooms a floor and a few other buildings like a store, community center, admin, etc.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)