Summary Tape File 2 (STF2) files contain detailed complete-count tabulations for all persons and housing units in the United States. STF2A and STF2B data files have identical tables but provide coverage of different geographical areas. The STF2A files contain summaries for SMSAs and for these components: counties or county equivalents, places of 10,000 or more inhabitants census tracts, and totals for census tracts split by county components. A summary is also provided for the tracted area outside of SMSAs within each state. The STF2B files provide summaries for the State or State equivalent, State components, SCSAs and the urban and rural portions of the SCSA, SMSAs and the urban and rural portions of the SMSA, urbanized areas, counties or county equivalents and the rural portion of the county, MCDs or CCDs, places of 1,000 or more, and the urban portion of any places that have been split into urban and rural components, American Indian reservations, and their county portions, and Alaska Native villages. Population (or demographic) and housing items are contained in each type of file. STF2A and STF2B data are presented in two types of records, each containing different tables. The first, record A, is presented once for each geographic area and summarizes total population and all housing units. The second, record B, is presented for the total population in each area and repeated for each race and Spanish origin group in the area that meets non-suppression criteria. Record B is presented for a maximum of six racial/Spanish Origin groups in STF2A and a maximum of 26 such groups in STF2B. If too few persons or housing units fall into an ethnic category in a census area, data for that category is suppressed. STF2A and STF2B files each comprise one file per state and Washington D.C. There will be no files for Puerto Rico. The Census Bureau logical record length for each file is 11,736 characters comprised of six physical record segments of 1,956 characters each. After all STF2A and STF2B files are released, STF2C, which is a National file, will be produced.
Census of Population and Housing, 1980: Summary Tape
File 2, [machine-readable data file].
prepared by the Bureau of the Census. Washington: The
Bureau [producer and distributor], 1982.
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The codebook for this study is located in the Data
Services Codebook Collection in the Main Reference Room with the IPC
number of 1838.7608D .
There is not an electronic version of this codebook.
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