Size of floor area in new single-family homes in the U.S. 1975-2018

In 2018, the average size of a single-family home built for sale in the United States amounted to 2,623 square feet. The size of American homes have almost doubled since 1975 when the average single-family home measured 1,660 square feet. This trend towards larger homes seems illogical given that the average size of families has shrunk over the same period.

Why are American homes so large?

Homes in the U.S. are among the largest in the world, only surpassed by Australia. There are thought to be several reasons for this, including the concentration of wealth in the country, and the deeply engrained driving culture which means that cheaper land outside city centers is easily accessible.

Where are the largest homes located?

The size of homes also varies regionally, with the largest homes being located in wealthy, urban areas and in the South. Large homes, or McMansions as they’re often called, are especially popular in Texas with Houston leading the pack in 2018.

Average size of floor area in new single-family houses built for sale in the United States from 1975 to 2018

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Release date



United States

Survey time period

1975 to 2018

Supplementary notes

The source adds the following information:"Built for Sale are houses built with the intention of being sold with the sale of the land included in the transaction".

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Statistics on "Single-family homes in the United States"

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