U.S. Household Size, at a Record Low, May Finally Be Bottoming Out

Bloomberg, Feb. 10, 2020–Justin Fox
These trends may indicate that Americans have had enough of living alone. But they may also reflect high real estate prices in parts of the country and a housing stock that’s failed to adjust to falling household size.
https://www.bloomberg.com/news/articles/2020-02-10/the-shrinking-of-u-s-household-size-may-be-coming-to-an-end