The vacancy sign is blazing over house divisions across the US. About 1 in 10 houses in America have no one living inside them, according to new data from the Census, CNBC reports. (Update: while technically correct, this number includes other kinds of properties like abandoned farm house. The more typically used number, the home-vacancy rate, is 2.7%, up from 2.5% the previous quarter).
By February 1, 2011