The Fact
Yes. Census household income can include the income of unrelated people sharing a housing unit, including roommates and lodgers, depending on the survey definition.
What This Means
A household-income number is not automatically the income of one nuclear family.
Sources
- U.S. Census Bureau, American Housing Survey Subject Definitions. https://www2.census.gov/programs-surveys/ahs/2021/2021%20AHS%20Definitions.pdf