According to Realtor.com, the largest homes in the U.S. are found in the Provo-Orem, Utah, metropolitan area.
In the Provo area, the median home is comprised of approximately 2,000 square feet and home values are high. In the parts of the country where homes are the largest, prices seem to follow. In seven of the 10 urban areas with large homes, each had a median home price of more than $200,000.