On Fri, 30 Apr 2010 21:20:34 +0100, Andy Champ wrote:
SE region of England (the official region, as in
http://en.wikipedia.org/wiki/South_East_England appears to have a
density of about 1070 per square mile.

Ouch! I was going to ask if anyone knew what the lowest was, but I
suppose there must be lots of spots where it's zero :-)