The Census collects data on various aspects of the population, including:

Demographics
Housing
Economic activity
All of the above

The correct answer is: d) All of the above.

The Census Bureau collects data on the population of the United States, including information on demographics, housing, and economic activity. This data is used to track changes in the population, to allocate federal funds, and to plan for the future.

Demographics data includes information on age, sex, race, ethnicity, and household size. This data is used to track changes in the population, to identify areas with growing or declining populations, and to plan for the future.

Housing data includes information on the number of housing units, the type of housing, and the value of housing. This data is used to track changes in the housing market, to identify areas with affordable housing needs, and to plan for the future.

Economic activity data includes information on employment, income, and poverty. This data is used to track changes in the economy, to identify areas with high unemployment or poverty rates, and to plan for the future.

The Census Bureau collects data on the population every ten years. The most recent census was conducted in 2020. The Census Bureau also collects data on a smaller scale throughout the year. This data is used to track changes in the population and to provide information to the public.