The idea of a small island that had a town on it could be ideal. Just kill off and dispose of all zomibes and dead bodies then the island will be zomibe safe. Have strict protocols that account for everyone in the population every couple days or so, that way if someone dies they can be quickly disposed of. An island where you can farm and has a fresh water supply would be ideal. If you really needed something you can take an armed team to the mainland to get some supplies and everyone would have to checked for bites before they came back.
excellent "World War Z" is set looking back ten years after mankind "won" the war on the zombie hordes and has quite a few ideas on what to do globally to adapt to a world filled with the undead:
I cannot be THE ONLY person that read that as "Mel Brooks'...."
Hell, if the ignorant Americans can misconstrue the wonderful Martin Freeman and MORGAN Freeman, I can do THIS!