Life & TraditionBig Houses, Broad Lawns: Some Observations From SuburbiaThe average size of a new American home these days is 2,600 square feet, double the size of houses built 40 years ago.SaveMark Us Preferred on GooglePrintLarge lawns offer more privacy and isolation. ShutterstockJeff Minick9/10/2019|Updated: 9/10/2019The average size of a new American home these days is 2,600 square feet, double the size of houses built 40 years ago.My neighborhood in Front Royal, Virginia, vividly depicts this statistic. We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.