Work with interactive mapping tools from across the Census Bureau.
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Developer portal to access services and documentation for the Census Bureau's APIs.
Explore Census Bureau data on your mobile device with interactive tools.
Find a multitude of DVDs, CDs and publications in print by topic.
These external sites provide more data.
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Explore Census data with interactive visualizations covering a broad range of topics.
Information about the U.S. Census Bureau.
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Explore the rich historical background of an organization with roots almost as old as the nation.
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The Census Bureau's Director writes on how we measure America's people, places and economy.
Find interesting and quirky statistics regarding national celebrations and major events.
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See what's coming up in releases and reports.
The demands placed on the U.S. Census Bureau to collect, process, and tabulate data on the nation's population and economy creates an environment that fosters innovation. Herman Hollerith's electronic tabulator in 1890, the installation of UNIVAC I, the first commercial computer built for civilian use in 1951, and optical character recognition software that read 2010 census questionnaires are examples of the innovative technology employed by the agency to improve its data collection and processing operations.
The questions to the left are a few of those frequently asked about the history of the Census Bureau's technological achievements and innovations.