After more than 35 years as a full-time real estate broker, I've seen the American home evolve in size and price. Over the last decade, the average new single-family home sold in the U.S. has become more compact, shrinking from 2,700 to 2,400 square feet. At the same time, the price per square foot has climbed about 72%. By 2025, one in four new single-family homes will measure under 1,800 square feet—a notable change from a decade ago, when that figure was closer to one in six. Larger homes (3,000 square feet or more) have become less common, dropping from about one in three to one in five. Builders are responding to rising land, labor, and material costs with smaller designs, aiming to keep homes attainable, especially with mortgage rates hovering around 6% to 7%. For buyers keeping a close eye on their budget or stepping into homeownership for the first time, these smaller options can mean lower down payments and monthly expenses—even though the price per square foot underscores that affordability remains a challenge.