Sales of new single-family houses rose 15.6 percent in January to a seasonally adjusted annual rate of 437,000 homes, according to estimates released jointly by the U.S. Census Bureau and the Dept. of Housing and Urban Development.

The median sales price of new houses sold in January 2013 was $226,400 and the average sales price was $286,300. The seasonally adjusted estimate of new houses for sale at the end of January was 150,000, representing a 4.1-month supply at the current sales rate.