Census of Population and Housing, 1970 [United States]: Summary Statistic File 4B: Population [Fourth Count] (ICPSR 8127)

Published: Jan 12, 2006

Principal Investigator(s):
United States Department of Commerce. Bureau of the Census



Version V1

These data from the 20-, 15-, and 5-percent samples of the 1970 Census contain population characteristics such as education, income, citizenship, and vocational training. These characteristics are reported for minor civil divisions (MCDs) or census county divisions (CCDs). ICPSR has data for only 29 states. The data are in DUALabs, Inc. compressed format and require the use of special software.

United States Department of Commerce. Bureau of the Census. Census of Population and Housing, 1970 [United States]:  Summary Statistic File 4B:  Population [Fourth Count] . Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2006-01-12. https://doi.org/10.3886/ICPSR08127.v1

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(1) The number of cases (MCD/CCDs) varies by state. For the entire United States, there are approximately 37,500 MCD/CCDs. (2) The codebook is provided as a Portable Document Format (PDF) File. The PDF format was developed by Adobe Systems Incorporated and can be accessed with the Adobe Acrobat Reader. Information on how to obtain a copy of the Acrobat Reader is provided through the ICPSR Website on the Internet. (3) The codebook (Part 52) comprises Parts 1 and 2 of the 1970 Census Users' Guide published by the Bureau of the Census. (4) In the 1970 Census Users' Guide, this data collection is named "Fourth Count Population Summary Tape, File B."

All persons and housing units in the United States.

self-enumerated questionnaires

census enumeration data



2006-01-12 All files were removed from dataset 52 and flagged as study-level files, so that they will accompany all downloads.

1997-02-13 An electronic codebook in PDF format has been added as Part 52.


  • Data in this collection are available only to users at ICPSR member institutions.

  • The citation of this study may have changed due to the new version control system that has been implemented.
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