After recession, median home size increased.  However, home size has now flattened to about 2,450 square feet.

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“The median size of new single-family homes started in 2014 was 2,450 square feet – the second highest since 2009, according to Census Bureau data. However, by the end of 2014 and into 2015, new-home sizes showed signs of flattening, according to an analysis by the National Association of Home Builders.

Coming out of the last recession, home sizes grew – which is a consistent trend when emerging from an economic slump…. http://realtormag.realtor.org/daily-news/2015/10/15/new-home-sizes-start-level

DAILY REAL ESTATE NEWS | THURSDAY, OCTOBER 15, 2015