Number of households in the United States from 1970 to 2015, by size of household (in millions)

This graph represents the number of households in the United States by size of household from 1970 to 2015. In 2015, about 34.18 million people in the United States were living alone.


The total number of households in the U.S. since 1960 can be found here.

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YearOne personTwo personsThree personsFour personsFive personsSix personsSeven persons or more
1970 10.9 18.3 10.9 10 6.5 3.5 3.2
1975 13.9 21.8 12.4 11.1 6.4 3.1 2.5
1980 18.3 25.3 14.1 12.7 6.1 2.5 1.8
1985 20.6 27.4 15.5 13.6 6.1 2.3 1.3
1990 23 30.1 16.1 14.5 6.2 2.1 1.3
1995 24.73 31.83 16.83 15.32 6.62 2.28 1.38
2000 26.7 34.7 17.2 15.3 7 2.4 1.4
2005 30.14 37.45 18.29 16.38 7.17 2.5 1.43
2009 31.7 39.2 18.6 16.1 7.1 2.6 1.5
2010 31.4 39.5 18.6 16.1 7.4 2.8 1.7
2012 33.19 40.98 19.24 16.05 7.27 2.73 1.62
2013 33.57 41.5 19.28 16.36 7.43 2.74 1.58
2014 34.18 41.59 19.37 16.24 7.45 2.77 1.61
2015 34.87 41.88 19.31 16.46 7.52 2.82 1.73
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