Man that is a time waster as bad as HN. I started looking for the county with the lowest population. So far it appears to be Hinsdale, CO at 790. The key seems to be small and low immigrant population. My next project will be to find the county with the lowest immigrant population. Largest is no contest. LA wins hands down.
EDIT: it's also HN OT, so I've probably undone all the good work done by the Erlang people.