Census of Population and Housing, 1970 [California]: Summary Statistic File 4A: Population and Housing [Fourth Count] (ICPSR 6712)

Version Date: Jan 18, 2006 View help for published

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United States. Bureau of the Census



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This collection comprises census tract-level data for California from the 1970 Census. The data contain 20-, 15-, and 5-percent sample population and housing characteristics including education, occupation, income, citizenship, vocational training, and household equipment and facilities.

United States. Bureau of the Census. Census of Population and Housing, 1970 [California]:  Summary Statistic File 4A:  Population and Housing [Fourth Count]. [distributor], 2006-01-18. https://doi.org/10.3886/ICPSR06712.v1

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  1. The number of cases (tracts) varies by state. For the whole United States, there are about 35,000 tracts.

  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 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, these data are called "Fourth Count Population Summary Tape, File A" and "Fourth Count Housing Summary Tape, File A."


All persons and housing units in California.

self-enumerated questionnaires



2018-02-15 The citation of this study may have changed due to the new version control system that has been implemented. The previous citation was:
  • United States. Bureau of the Census. CENSUS OF POPULATION AND HOUSING, 1970 [CALIFORNIA]: SUMMARY STATISTIC FILE 4A-- POPULATION AND HOUSING [FOURTH COUNT]. ICPSR version. Washington, DC: United States. Bureau of the Census [producer], 197?. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1997. http://doi.org/10.3886/ICPSR06712.v1

2006-01-18 File CB6712.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.