Census of Population and Housing, 1990 [United States]: Summary Tape File 4A (ICPSR 6117)

Published: Aug 28, 2006

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



Version V1

Summary Tape File 4A contains sample data weighted to represent the total population. The collection also contains 100-percent counts and unweighted sample counts for total persons and total housing units. Additional population and housing variables include items such as age, ancestry, disability, citizenship, education, income, marital status, race, sex, travel time to work, hours worked, rent, persons in household, acreage of property, tenure, value of housing unit, number of vehicles, and monthly owner costs. Data are provided for states and their subareas in hierarchical sequence down to the block group level. Within STF 4A, data for each state are represented in one "A" record file and ten "B" record files. The "A" records have 123 population tables and 80 housing tables. These include five population tables and one housing table showing 37 categories of race, and five population tables and one housing table with 26 categories of Hispanic origin. Data are included for all persons for each summary level and geographic component level within a unit of geography. More detailed data are presented in 178 population and 85 housing tables in the "B" records. The "B" records include a separate file for all persons and up to nine separate race and Hispanic-origin files.

United States Department of Commerce. Bureau of the Census. Census of Population and Housing, 1990 [United States]:  Summary Tape File 4A. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2006-08-28. https://doi.org/10.3886/ICPSR06117.v1

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Each state will have one "A" record and ten "B" records.

All persons and housing units in the United States.

census/enumeration data

self-enumerated questionnaires



2006-08-28 The metadata record has been revised.


  • 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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