Article One of the United States Constitution (section II) directs the population be enumerated at least once every ten … See more

The United States Census Bureau defines four statistical regions, with nine divisions. The Census Bureau regions are "widely used...for data collection and analysis". The Census Bureau definition is pervasive. The territories are … See more

Since 1903, the official census-taking agency of the United States government has been the Bureau of the Census. The Census Bureau is headed by a director, assisted by a deputy director and an executive s… See more

The 1890 census was the first to use the electric tabulating machines invented by Herman Hollerith. For 1890–1940 details, see Truesdell, Leon E. (1965). The Development of Punch Card Tabulation in the Bureau … See more

Historically, the census information was gathered by census takers going door-to-door collecting information in a ledger. Beginning in 1970 information was gathered via mailed forms. To reduce paper usage, red… See more

Census Bureau stays current by conducting research studies to improve the work that they do. Census researchers explore topics about survey innovations, participation, and data accuracy, such as undercount, overcount, … See more