How many households are there in the US?



2007 estimate: 111,162,259
2008 estimate: 112,362,848
2009 estimate: 113,567,967
2010 estimate: 114,825,428

http://www.census.gov/population/projections/nation/hh-fam/table1n.txt
http://www.census.gov/prod/1/pop/p25-1129.pdf