10/16/2009 05:12 am ET | Updated May 25, 2011

America's Most Expensive ZIP Codes: Alpine, New Jersey Tops Forbes' List

This year, in some of the country's most exclusive enclaves, home prices took major dips.

The ZIP codes on our list saw a 7% average drop in asking price, and in many places prices fell even more. Though Alpine, N.J. (07620) tops our list with a median asking price of $4.14 million, prices there fell 23% over the past year.