September 2017
Beginner to intermediate
412 pages
8h 55m
English
The decennial United States Census was mandated by the U. S. Constitution in 1789 for the purposes of apportioning representatives and taxes. The first census was taken in 1790 when the U. S. population was under four million. It simply counted free men. But by 1880, the country had grown to over 50 million, and the census itself had become much more complicated, recording dependents, parents, places of birth, property, and income.

Figure 4 Hollerith
The 1880 census took over eight years to compile. The United States Census Bureau realized that some sort of automation would be required to complete the 1890 census. They hired a young ...
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