American Houses Are Still Much, Much Bigger Than They Used To Be
Newly built homes got a little smaller during the housing bust. But just a little. As of 2010, the median new home was still bigger than homes built in the 1990s, when the economy was booming.
And the median home built in 2010 was much, much bigger — 41 percent bigger — than the median home built in 1975.
For more data, see this PDF.