Again, a bit off topic but of some topical interest nonetheless:

Chatham House - Publications - Reports and Papers - View Paper.

Working from the province by province breakdowns of the 2009 and 2005 results, released by the Iranian Ministry of Interior, and from the 2006 census as published by the official Statistical Centre of Iran, this paper offers some observations about the official data and the debates surrounding the 2009 Iranian Presidential Election.