In 2021, the average size of families in Utah was 3.51 people, the largest out of any state. California, Hawaii, Texas, and Alaska rounded out the top five states with the largest average family size in that year. Nationwide, the average family size was 3.15 people.
Average size of families in the United States in 2021, by state
According to the definition by the U.S. Census Bureau a household "includes all of the people who occupy a housing unit. One person in each household is designated as the “householder.” In most cases, this is the person, or one of the people, in whose name the home is owned, being bought, or rented."
A family "consists of a householder and one or more other people living in the same household who are related to the householder by birth, marriage, or adoption."
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how Statista can support your business.
US Census Bureau. (September 30, 2022). Average size of families in the United States in 2021, by state [Graph]. In Statista. Retrieved November 17, 2024, from https://www.statista.com/statistics/242262/average-size-of-us-families-by-state/
US Census Bureau. "Average size of families in the United States in 2021, by state." Chart. September 30, 2022. Statista. Accessed November 17, 2024. https://www.statista.com/statistics/242262/average-size-of-us-families-by-state/
US Census Bureau. (2022). Average size of families in the United States in 2021, by state. Statista. Statista Inc.. Accessed: November 17, 2024. https://www.statista.com/statistics/242262/average-size-of-us-families-by-state/
US Census Bureau. "Average Size of Families in The United States in 2021, by State." Statista, Statista Inc., 30 Sep 2022, https://www.statista.com/statistics/242262/average-size-of-us-families-by-state/
US Census Bureau, Average size of families in the United States in 2021, by state Statista, https://www.statista.com/statistics/242262/average-size-of-us-families-by-state/ (last visited November 17, 2024)
Average size of families in the United States in 2021, by state [Graph], US Census Bureau, September 30, 2022. [Online]. Available: https://www.statista.com/statistics/242262/average-size-of-us-families-by-state/
