A family household is defined by the U.S. census bureau as a household maintained by a householder who is in a family, and includes any unrelated people (unrelated subfamily members and/or secondary individuals) who may be residing there.
A family is defined as a group of two people or more related by birth, marriage, or adoption and residing together; all such people are considered as members of one family.
Census definitions can be accessed .
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Family households with children under 18 U.S. 2024, by age of householder
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U.S. Census Bureau. (November 12, 2024). Number of family households with children under 18 years old in the United States in 2024, by age of householder (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/898383/us-family-households-with-children-by-age-of-householder/
U.S. Census Bureau. "Number of family households with children under 18 years old in the United States in 2024, by age of householder (in millions)." Chart. November 12, 2024. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/898383/us-family-households-with-children-by-age-of-householder/
U.S. Census Bureau. (2024). Number of family households with children under 18 years old in the United States in 2024, by age of householder (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/898383/us-family-households-with-children-by-age-of-householder/
U.S. Census Bureau. "Number of Family Households with Children under 18 Years Old in The United States in 2024, by Age of Householder (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 12 Nov 2024, /statistics/898383/us-family-households-with-children-by-age-of-householder/
U.S. Census Bureau, Number of family households with children under 18 years old in the United States in 2024, by age of householder (in millions) ÌÇÐÄÆƽâ°æ, /statistics/898383/us-family-households-with-children-by-age-of-householder/ (last visited August 05, 2026)
Number of family households with children under 18 years old in the United States in 2024, by age of householder (in millions) [Graph], U.S. Census Bureau, November 12, 2024. [Online]. Available: /statistics/898383/us-family-households-with-children-by-age-of-householder/
