- Characteristics of New Housing, 2025 highlights: the median new single-family home completed was 2,142 sq ft — U.S. Census Bureau
Survey of Construction, 1,005,000 single-family homes completed in 2025. Floor area is finished floor space measured to the outside of the walls, garage and porches excluded. The median was 2,467 sq ft at its 2015 peak.
Checked 2026-09-20
- Table HH-6: average population per household and family, 1940 to present — U.S. Census Bureau
Current Population Survey, Annual Social and Economic Supplements, released December 2025. An American household averaged 3.01 people in 1973 and 2.50 in 2025, across 134.8 million households. The Bureau marks 2021 revised, re-weighted to the 2020 census, and notes that the 2025 figure also carries the Vintage 2025 population estimates.
Checked 2026-09-20
- Survey of Construction definitions: a home's floor area leaves out the garage, carport and porch — U.S. Census Bureau
Square feet of floor area is "all completely finished floor space", measured to the outside of the exterior walls; it "does not include a garage, carport, porch, unfinished attic or utility room".
Checked 2026-09-20
- Residential Energy Consumption Survey, table HC10.9: the average US home is 1,845 sq ft, a detached house 2,313 — U.S. Energy Information Administration
2024 survey, preliminary figures released March 2026, covering 132.5 million occupied homes. Attached houses average 1,624 sq ft, apartments 887 (2–4 units) and 918 (5 or more), mobile homes 1,213; by bedroom count 1,245 (two), 1,914 (three), 2,702 (four) and 3,642 (five or more). Its square footage is what the household reports and "includes all basements, finished or conditioned areas of attics, and conditioned garage space" — a wider measure than the Census Bureau's.
Checked 2026-09-20