In 1950 the average square footage of a new single-family home was 983.
In 2004 it was 2349 square feet.
In 1950 the average family size was 3.67 persons.
In 2002 the average family size was 2.62 persons.
This means that in 1950, average-sized single-family home had 268 square feet per person.
By 2002 / 2004, the average single-family home had ballooned to 896 square feet per person—the amount of square footage that 50 years ago housed an entire family of 3 to 4 people.
 Organized Simplicity: The Clutter-Free Approach to Intentional Living2010 Betterway Home Books / F + W Media
 “Housing Facts, Figures and Trends for March 2006” National Association of Home Builders
 Here Oxenreider cites U.S. Census Bureau figures found in an article by Alex Wilson and Jessica Boehland “Small is Beautiful: U.S. House Size, Resource Use, and the Environment.” July 12, 2005. Currently available at GreenBiz.com