Should we criticize the ethnic migration that forms such ethnoburbs in the first place? Of course not. But among the motivations you list for many of these new arrivals to Johns Creek, you include the very same reasons that might lead former residents to re-cluster together in Forsyth: affordable housing and childcare. The median list price per square foot in Johns Creek is is $372,700 and the median home value in Forsyth County is $283,500. And its probably easier to get your gran or Peggy Sue to babysit.