10 US metros with largest drops in real estate values

Zillow data shows a geographic clustering among markets on the list

The top 10 U.S. metro areas with the greatest year-over-year median home-value declines, by percentage, from October 2010 to October 2011, were conspicuously clustered in two regions, according to data from online real estate site Zillow.

The 10 metro areas, clumped in the Southeast and the far West, declined an average of 13.4 percent, from No. 1 Gainesville, Fla.’s 17.2 percent drop to an 11.8 percent decline for No. 10 Reno, Nev.