Seven of the 10 most expensive ZIP codes in the U.S. are in California. But the nation's priciest ZIP code lies elsewhere.

Florida's Fisher Island has dethroned Atherton, California, as the most expensive U.S. ZIP code, with a median price of $9.5 ...

All local ZIP codes on the list had median sale prices of more than $2.4 million. As usual, Rancho Santa Fe (92067) was the ...

In the year ending in August, the median selling price declined in 42% of ZIP codes in Orange County, according to Attom.