Once every ten years, the US Census Bureau does a complete population count, surveying every resident in the US. This count is mandated by the Constitution and requires reaching millions of households. USAFacts is giving you the history of the decennial census and everything you need to know to participate in 2020.
Who participates in Census Bureau surveys?
Everyone who has established a residence in the US is counted, including individuals with work visas, international students, and unauthorized immigrants, but excluding temporary visitors such as tourists.