The information requested falls within the responsibility of the UK Statistics Authority. I have asked the authority to reply.
Letter from Karen Dunnell, dated March 2009:
As National Statistician, I have been asked to reply to your Parliamentary Question asking what the average annual income of (a) an urban and (b) a rural household was in each region in each of the last three years. (266451)
This information is not available from statistical surveys or administrative sources held centrally.