Today’s Wall Street Journal has a very informative and detailed Page One article entitled "The United States of Subprime" (free as of this posting), by Rick Brooks and Constance Mitchell Ford.  The article includes a great interactive map showing state by state figure for sub-prime loans.  I highly recommend reading this article.

A couple blurbs from the article –

To examine the surge in subprime lending, the Journal analyzed more than 250 million records on mortgage applications and originations filed by lenders under the federal Home Mortgage Disclosure Act. Subprime mortgages were initially aimed at lower-income consumers with spotty credit. But the data contradict the conventional wisdom that subprime borrowers are overwhelmingly low-income residents of inner cities. Although the concentration of high-rate loans is higher in poorer communities, the numbers show that high-rate lending also rose sharply in middle-class and wealthier communities. …

To examine the surge in subprime lending, the Journal analyzed more than 250 million records on mortgage applications and originations filed by lenders under the federal Home Mortgage Disclosure Act. Subprime mortgages were initially aimed at lower-income consumers with spotty credit. But the data contradict the conventional wisdom that subprime borrowers are overwhelmingly low-income residents of inner cities. Although the concentration of high-rate loans is higher in poorer communities, the numbers show that high-rate lending also rose sharply in middle-class and wealthier communities.