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Accessing Decennial Census Data: History, Print Volumes, and Electronic Resources

Learn about the history of the Census, access print volumes and schedule data, and explore electronic resources for pre-1970 and post-1970 Census data. Discover how to access detailed Census data for genealogical research and other purposes.

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Accessing Decennial Census Data: History, Print Volumes, and Electronic Resources

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  1. Finding Decennial Census Data • Ryan Womack • Rutgers University Libraries • June 17, 2010 • NJ State Data Center Annual Network Meeting

  2. To access the detailed version of the handout, with links intact, go to: http://libguides.rutgers.edu/data • 2

  3. History of the Census • Mandated by the Constitution • Grew from simple population counts • Early 20th Century – immigration, language, occupation • Growth of Special Censuses • More recently, downsizing the Census and increased annual surveys • 3

  4. Print volumes and Schedule Data • Complete runs of the print volumes of the Census are held in several locations around the state, including Rutgers, Princeton, the New Jersey State Library, and Newark Public Library. • Census Bureau is digitizing volumes. • Schedule data, for genealogical research and other purposes, is released after 72 years • 4

  5. Electronic Data, pre-1970 • Several projects to make early Census data available in digital form • Historical Census Browser, NHGIS, HSUS, Social Explorer • Distribution of Microdata • IPUMS and ICPSR • 5

  6. Electronic Data, 1970 and after • CensusCD bridges the gap for 1970 and 1980 • 1990 – CD-ROM distribution, many of these products still in libraries • 2000 – fully electronic, American Factfinder, PUMS directly from Census Maps distributed to depositories since 1960, online for 1990 and 2000 • 6

  7. Summary 1790-1930 - Census schedules (full listings of names) available in microform. 1940 will be released soon. 1790-1840 - Summary data available in print Census, online PDFs, and extracted in several online databases (Social Explorer, ICPSR, Historical Statistics of US) 1850-1950 - Public-Use Microdata Samples (PUMS) available. Otherwise, same as 1790-1840 1960 - Tract maps distributed to libraries. Otherwise, same as above. 1970, 1980 - CensusCD makes detailed electronic data available. Otherwise, same as above. 1990 - First Census with substantial digital delivery. Libraries have extensive CD-ROM data and map files. Now American FactFinder delivers 1990 data and maps too. 2000 - Data and Maps from 2000 Census delivered primarily through American FactFinder . 2010 - Will also be distributed through American FactFinder. The same will be true for 2010 Census data. American Community Survey supplants Census for many of the "long form" questions. • 7

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