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PSC Data Catalog: Study Bibliographic Details:
|Access to Files:||Data and Documentation|
|Title:||Census of Population and Housing, 1970 [United States]: Summary Statistic File 4A|
|Primary Investigator(s):||United States Department of Commerce. Bureau of the Census|
|Abstract:||Fourth Count A files contain two separate subfiles of 20, 15 and 5 percent sample characteristics: one for population and one for housing. These population files contain characteristics such as education, occupation, income, citizenship, and vocational training. The unit of analysis for these files is census tract.|
|Universe:||There is one file for each of 48 states and the District of Columbia. No data exist for Wyoming or Vermont.|