How Many Houses are there in the US?
The US, a country of around 301 million people has around 125 million houses [all housing data come from the American Housing Survey of the United States, published by the US Department of Housing and Urban Development every two years, most recently in August 2006, available here].
Of these, around 109 million houses are occupied year-round, 75 million by owners and 34 million by renters. Half of the houses were built before 1973; 32 million are in central cities and 52 million in suburbs. 76 million are single family and 6 million condominiums. 85% of US homes have air conditioning, 48% have a separate dining room and 34% have a working fireplace. Approximately 2 million houses were built in 2005 and 2006 and about 1.5 million in 2007 (see here for data on housing permits, starts and completions).